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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">As filed with the
Securities and Exchange Commission on May 5, 2010</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="right"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Registration No.
333-</font></div>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: Arial">UNITED
STATES</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: Arial">SECURITIES
AND EXCHANGE COMMISSION</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: Arial">WASHINGTON,
D.C. 20549</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
      <div style="DISPLAY: block; TEXT-INDENT: 0pt">
        <div>
          <hr style="COLOR: black" align="left" noshade size="1" width="100%">
        </div>
      </div>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: Arial">FORM
S-8</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: Arial">REGISTRATION
STATEMENT UNDER</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: Arial">THE
SECURITIES ACT OF 1933</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 14pt; FONT-FAMILY: Arial">TETRA
TECHNOLOGIES, INC.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: Arial">(Exact
name of Registrant as specified in its charter)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
            <td valign="top" width="41%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: arial">Delaware</font></div>
            </td>
            <td valign="top" width="42%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: arial">74-2148293</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="41%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: arial">(State
      or other jurisdiction</font></div>
            </td>
            <td valign="top" width="42%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: arial">(I.R.S.
      Employer</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="41%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: arial">of
      incorporation or organization)</font></div>
            </td>
            <td valign="top" width="42%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: arial">Identification
      No.)</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="41%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="42%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
          </tr><tr>
            <td valign="top" width="41%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: arial">24955
      Interstate 45 North</font></div>
            </td>
            <td valign="top" width="42%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
          </tr><tr>
            <td valign="top" width="41%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: arial">The
      Woodlands, Texas</font></div>
            </td>
            <td valign="top" width="42%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: arial">77380</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="41%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: arial">(Address
      of Principal Executive Offices)</font></div>
            </td>
            <td valign="top" width="42%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: arial">(Zip
      Code)</font></div>
            </td>
          </tr></table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 14pt; FONT-FAMILY: Arial">TETRA
TECHNOLOGIES, INC.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 14pt; FONT-FAMILY: Arial">2007
LONG TERM INCENTIVE COMPENSATION PLAN</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: Arial">(Full
Title of the Plan)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Bass
C. Wallace, Jr.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">General
Counsel</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">24955
Interstate 45 North</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">The
Woodlands, Texas 77380</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: Arial">(Name
and address of agent for service)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">(281)
367-1983</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: Arial">(Telephone
number, including area code,</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-STYLE: italic; FONT-FAMILY: Arial">of
agent for service)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div style="DISPLAY: block; TEXT-INDENT: 0pt">
        <div>
          <hr style="COLOR: black" align="left" noshade size="1" width="100%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial">Indicate by
check mark whether the registrant is a large accelerated filer, an accelerated
filer, a non-accelerated filer, or a smaller reporting company. See the
definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer,&#8221; and &#8220;smaller
reporting company&#8221; in Rule 12b-2 of the Exchange Act. (Check
One):</font></div>
      </div>
    </div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
            <td valign="top" width="45%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">Large
      Accelerated Filer [ X ]</font></div>
            </td>
            <td valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">Accelerated
      Filer [&#160;&#160;&#160;]</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="45%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">Non-Accelerated
      Filer [&#160;&#160;&#160;] (Do not check if a smaller reporting
      company)</font></div>
            </td>
            <td valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">Smaller
      Reporting Company
[&#160;&#160;&#160;]</font></div>
            </td>
          </tr></table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 11pt; FONT-FAMILY: Arial">CALCULATION
OF REGISTRATION FEE</font></div>
    <div align="left">
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
            <td valign="bottom" width="20%" style="BORDER-TOP: black 1.5pt double; BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">Title
      of securities <br></font><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">to
      be registered</font></div>
            </td>
            <td valign="bottom" width="2%" style="BORDER-TOP: black 1.5pt double; PADDING-BOTTOM: 2px"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">&#160;</font></td>
            <td valign="bottom" width="20%" style="BORDER-TOP: black 1.5pt double; BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">Amount
      to be </font><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">registered<font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: text-top; FONT-FAMILY: arial">(1)</font></font></div>
            </td>
            <td valign="bottom" width="1%" style="BORDER-TOP: black 1.5pt double; PADDING-BOTTOM: 2px"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">&#160;</font></td>
            <td valign="bottom" width="19%" style="BORDER-TOP: black 1.5pt double; BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">Proposed
      maximum </font><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">offering
      price </font><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">per
      share<font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: text-top; FONT-FAMILY: arial">(2)</font></font></div>
            </td>
            <td valign="bottom" width="1%" style="BORDER-TOP: black 1.5pt double; PADDING-BOTTOM: 2px"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">&#160;</font></td>
            <td valign="bottom" width="19%" style="BORDER-TOP: black 1.5pt double; BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">Proposed
      maximum </font><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">aggregate
      offering </font><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">price<font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: text-top; FONT-FAMILY: arial">(2)</font></font></div>
            </td>
            <td valign="bottom" width="1%" style="BORDER-TOP: black 1.5pt double; PADDING-BOTTOM: 2px"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">&#160;</font></td>
            <td valign="bottom" width="17%" style="BORDER-TOP: black 1.5pt double; BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">Amount
      of <br></font><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">registration
      fee</font></div>
            </td>
          </tr><tr>
            <td align="left" valign="bottom" width="20%" style="BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Common Stock,
      par value $0.01 per share<font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: text-top">(3)</font></font></div>
            </td>
            <td valign="bottom" width="2%" style="BORDER-BOTTOM: black 2px solid"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">&#160;</font></td>
            <td valign="bottom" width="20%" style="BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">1,000,000
      shares</font></div>
            </td>
            <td valign="bottom" width="1%" style="BORDER-BOTTOM: black 2px solid"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">&#160;</font></td>
            <td valign="bottom" width="19%" style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">$12.33</font></td>
            <td valign="bottom" width="1%" style="BORDER-BOTTOM: black 2px solid"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">&#160;</font></td>
            <td valign="bottom" width="19%" style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">$12,330,000</font></td>
            <td valign="bottom" width="1%" style="BORDER-BOTTOM: black 2px solid"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">&#160;</font></td>
            <td valign="bottom" width="17%" style="BORDER-BOTTOM: black 2px solid; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">$879.15</font></td>
          </tr></table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr valign="top">
            <td style="WIDTH: 36pt">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial"><font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: text-top">(1)</font></font></div>
            </td>
            <td>
              <div align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial">Pursuant to
      Rule 416(a) under the Securities Act of 1933, as amended, the number of
      shares of common stock registered herein includes an indeterminate number
      of additional shares that may be issued with respect to the securities
      registered hereunder by reason of stock dividends, spin-offs,
      extraordinary dividends, stock splits, combinations of shares,
      recapitalizations, mergers, consolidations, reorganizations or similar
      transactions.</font></div>
            </td>
          </tr></table>
    </div>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr valign="top">
            <td style="WIDTH: 36pt">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial"><font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: text-top">(2)</font></font></div>
            </td>
            <td>
              <div align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial">Estimated
      solely for the purpose of determining the amount of the registration fee
      in accordance with Rule 457(c) and (h) under the Securities Act of 1933,
      as amended and based upon the average of the high and low sales prices of
      the Registrant&#8217;s common stock on the New York Stock Exchange on May 3,
      2010.</font></div>
            </td>
          </tr></table>
    </div>
    <div>
      <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr valign="top">
            <td style="WIDTH: 36pt">
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial"><font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: text-top">(3)</font></font></div>
            </td>
            <td>
              <div align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial">Includes the
      preferred stock purchase rights (as adjusted and as subject to further
      adjustment upon certain events) associated with the common
      stock.</font></div>
            </td>
          </tr></table>
    </div><br>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always; WIDTH: 100%">
        <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
    </div><br>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">EXPLANATORY
NOTE</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>This Registration Statement on Form&#160;S-8 is
filed by TETRA Technologies, Inc., a Delaware corporation (the &#8220;Company&#8221;)
relating to 1,000,000 shares of its common stock, par value $0.01 per share (the
&#8220;Common Stock&#8221;), issuable under the TETRA Technologies, Inc. 2007 Long Term
Incentive Compensation Plan (the &#8220;Plan&#8221;), which Common Stock is in addition to
the 90,000 shares of Common Stock registered on the Company&#8217;s Registration
Statement on Form&#160;S-8 filed on May&#160;4, 2007 (Commission File
No.&#160;333-142637) and the 4,500,000 shares of Common Stock registered on the
Company&#8217;s Registration Statement on Form S-8 filed on May 9, 2008 (Commission
File No. 333-150783) (together, the &#8220;Prior Registration
Statements&#8221;).</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>This Registration Statement relates to
securities of the same class as those to which the Prior Registration Statements
relate, and is submitted in accordance with General Instruction&#160;E to
Form&#160;S-8 regarding the Registration of Additional Securities. Pursuant to
Instruction&#160;E of Form&#160;S-8, the contents of the Prior Registration
Statements are incorporated herein by reference and made part of this
Registration Statement, except as supplemented by the information set forth
below.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">PART
II</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">INFORMATION
REQUIRED IN THE REGISTRATION STATEMENT</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Item
3. INCORPORATION OF DOCUMENTS BY REFERENCE</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>The following documents, which have been
previously filed by the Company with the Securities and Exchange Commission (the
&#8220;SEC&#8221;), are incorporated by reference into this Registration Statement, other
than any portions of the respective filings that were furnished rather than
filed (pursuant to Item 2.02 or Item 7.01 of any Current Report on Form 8-K or
other applicable SEC rules):</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>(a)&#160;&#160;&#160;&#160;&#160;&#160;The
Company&#8217;s Annual Report on Form 10-K for the fiscal year ended December 31, 2009
as filed with the SEC on March 1, 2010 (File No. 001-13455);</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>(b)&#160;&#160;&#160;&#160;&#160;&#160;The
Company&#8217;s Current Report on Form 8-K as filed by the Company with the SEC on
March 12, 2010 (File No. 001-13455);</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>(c)&#160;&#160;&#160;&#160;&#160;&#160;The
description of the Company&#8217;s common stock, par value $0.01 per share, contained
in the Registration Statement on Form 8-A filed with the SEC on October 7, 1997
(File No. 001-13455), including any amendments and reports filed for the purpose
of updating such description; and</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>(d)&#160;&#160;&#160;&#160;&#160;&#160;The
description of the Company&#8217;s Series One Junior Participating Preferred Stock
contained in the Company&#8217;s Registration Statement on Form 8-A filed with the SEC
on October 28, 1998 (File No. 001-13455), as amended by Amendment No. 1 thereto
filed with the SEC on November 6, 2008 (File No. 001-13455), including any
additional amendments or reports filed for the purpose of updating such
description.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>All documents filed by the Company pursuant to
Sections 13(a), 13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as
amended (the &#8220;Exchange Act&#8221;), (excluding any information furnished pursuant to
Item 2.02 or Item 7.01 on any Current Report on Form 8-K or other applicable SEC
rules) subsequent to the date of this Registration Statement and prior to the
filing of a post-effective amendment which indicates that all securities offered
hereby have been sold or which deregisters all securities remaining unsold,
shall be deemed to be incorporated by reference herein and to be a part hereof
from the date of the filing of such documents.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>Any statement contained in a document
incorporated or deemed incorporated by reference in this Registration Statement
shall be deemed to be modified or superseded for purposes of this Registration
Statement to the extent that a statement contained in this Registration
Statement or in any other subsequently filed document which also is incorporated
or deemed to be incorporated by reference in this Registration Statement
modifies or supersedes such statement. Any such statement so modified or
superseded shall not be deemed, except as modified or superseded, to constitute
a part of this Registration Statement.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left">
        </div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always; WIDTH: 100%">
        <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial">-2-</font></div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right">
        </div>
      </div>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">Item
8. EXHIBITS</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>The following exhibits have been filed as a
part of this Registration Statement and are specifically incorporated by
reference:</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div align="left">
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
            <td valign="top" width="8%" style="BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">Exhibit
      No.</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="90%" style="BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">Description</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.1</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Restated
      Certificate of Incorporation of TETRA Technologies, Inc. (incorporated by
      reference to Exhibit 3.1 to the Company&#8217;s Registration Statement on Form
      S-4 filed on December 27, 1995 (SEC File No.
33-80881)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.2</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 3.1 to the
      Company&#8217;s Registration Statement on Form S-4 filed on December 27, 1995
      (SEC File No. 33-80881)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.3</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 3.1(ii) to the
      Company&#8217;s Annual Report on Form 10-K for the year ended December 31, 2003
      filed on March 15, 2004 (SEC File No. 001-13455)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.4</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 4.4 to the
      Company&#8217;s Registration Statement on Form S-4 filed on May 25, 2004 (SEC
      File No. 333-115859)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.5</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc (incorporated by reference to Exhibit 4.5 to the
      Company&#8217;s Registration Statement on Form S-8 filed on May 4, 2006 (SEC
      File No. 333-133790)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.6</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Amended and
      Restated Bylaws of TETRA Technologies, Inc. (incorporated by reference to
      Exhibit 4.6 to the Company&#8217;s Registration Statement on Form S-8 filed on
      May 4, 2006 (SEC File No. 333-133790)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.7</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Certificate
      of Designation of Series One Junior Participating Preferred Stock of the
      Company, dated October 27, 1998 (incorporated by reference to Exhibit 2 to
      the Company&#8217;s Registration Statement on Form 8-A filed on October 28, 1998
      (SEC File No. 001-13455)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.8</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Rights
      Agreement, dated as of October 26, 1998, between the Company and Harris
      Trust and Savings Bank (predecessor to Computershare Investor Services
      LLC), as Rights Agent (incorporated by reference to Exhibit 1 to the
      Company&#8217;s Registration Statement on Form 8-A filed on October 28, 1998
      (SEC File No. 001-13455)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.9</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">First
      Amendment to Rights Agreement dated as of November 6, 2008, by and between
      TETRA Technologies, Inc. and Computershare Trust Company, N.A. (as
      successor rights agent to Harris Trust and Savings Bank), as Rights Agent
      (incorporated by reference to Exhibit 4.1 to the Company&#8217;s Current Report
      on Form 8-K filed on November 6, 2008 (SEC File No.
      001-13455)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.10</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Specimen
      Common Stock Certificate of the Company (incorporated by reference to
      Exhibit 4.1 to the Company&#8217;s Registration Statement on Form S-1 filed on
      February 23, 1990 (SEC File No. 33-33586)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.11</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.12</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Employee Incentive Stock Option Agreement under the TETRA Technologies,
      Inc. 2007 Long Term Incentive Compensation Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.13</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Employee Nonqualified Stock Option Agreement under the TETRA Technologies,
      Inc. 2007 Long Term Incentive Compensation Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.14</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Employee Restricted Stock Agreement under the TETRA Technologies, Inc.
      2007 Long Term Incentive Compensation Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.15</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Non-Employee Consultant Nonqualified Stock Option Agreement under the
      TETRA Technologies, Inc. 2007 Long Term Incentive Compensation
      Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.16</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Non-Employee Consultant Restricted Stock Agreement under the TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.</font></div>
            </td>
          </tr></table>
      <div>&#160;</div>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">
          </div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always; WIDTH: 100%">
          <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial">-3-</font></div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">
          </div>
        </div>
      </div>
      <div>&#160;</div>
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.17</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Non-Employee Director Restricted Stock Agreement under the TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*5.1</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Opinion of
      Andrews Kurth LLP.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*23.1</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Consent of
      Andrews Kurth LLP (included in Exhibit 5.1).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*23.2</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Consent of
      Ernst &amp; Young LLP.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*23.3</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Consent of
      Ryder Scott Company, L.P.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*23.4</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Consent of
      DeGolyer and MacNaughton.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*24.1</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Powers of
      Attorney (included on signature
page).</font></div>
            </td>
          </tr></table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">
      <div>
        <hr style="COLOR: black" align="left" noshade size="1" width="20%">
      </div>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">+Incorporated by
reference.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">* Filed
herewith.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div><br>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always; WIDTH: 100%">
        <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman"><font style="FONT-SIZE: 8pt; FONT-FAMILY: Arial">-4-&#160;</font> </font></div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
    </div><br>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">SIGNATURES</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-WEIGHT: bold">The Registrant.</font> Pursuant to
the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for
filing on Form </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">S-8 and has duly
caused this registration statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of The Woodlands, State of
Texas, on this 5<font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: text-top">th</font> day
of May, 2010.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
            <td valign="top" width="40%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="40%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">TETRA
      TECHNOLOGIES, INC.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="40%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="40%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
          </tr><tr>
            <td valign="top" width="40%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="40%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">By:<font style="TEXT-DECORATION: underline"><font style="DISPLAY: inline">/s/Stuart
      M.
      Brightman</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="40%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="40%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Name: Stuart
      M. Brightman</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="40%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="40%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Title:
      President &amp; Chief Executive
Officer</font></div>
            </td>
          </tr></table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div><br>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always; WIDTH: 100%">
        <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman"><font style="FONT-SIZE: 8pt; FONT-FAMILY: Arial">-5-&#160;</font> </font></div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
    </div><br>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Arial">POWER
OF ATTORNEY</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>KNOW ALL MEN BY THESE PRESENTS, that each of
the undersigned officers and directors of the registrant hereby constitutes and
appoints Stuart M. Brightman and Bass C. Wallace, Jr., and each of them
severally, his lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, for him and on his behalf and in his name,
place and stead, in any and all capacities, to sign, execute and file this
registration statement under the Securities Act of 1933, as amended, and any and
all amendments (including, without limitation, post-effective amendments), with
all exhibits and any and all documents required to be filed with respect
thereto, with the Securities and Exchange Commission or any regulatory
authority, granting unto such attorneys-in-fact and agents full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in and about the premises in order to effectuate the same, as fully
to all intents and purposes as he himself might or could do, if personally
present, hereby ratifying and confirming all that said attorneys-in-fact and
agents or his substitute or substitutes, may lawfully do or cause to be
done.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>Pursuant to the requirements of the Securities
Act of 1933, this registration statement has been signed by the following
persons in the capacities and on the dates stated.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
            <td valign="top" width="27%" style="PADDING-BOTTOM: 2px; TEXT-ALIGN: center">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial; TEXT-DECORATION: underline"><font style="DISPLAY: inline">Name and Signature</font></font></div>
            </td>
            <td valign="top" width="39%" style="PADDING-BOTTOM: 2px; TEXT-ALIGN: center">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial; TEXT-DECORATION: underline"><font style="DISPLAY: inline">Title</font></font></div>
            </td>
            <td valign="top" width="14%" style="TEXT-ALIGN: center">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial; TEXT-DECORATION: underline"><font style="DISPLAY: inline">Date</font></font></div>
            </td>
          </tr><tr>
            <td valign="top" width="27%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="14%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
          </tr><tr>
            <td align="left" valign="top" width="27%" style="BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">/s/Stuart M.
      Brightman</font></div>
            </td>
            <td valign="top" width="39%" style="TEXT-ALIGN: left">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">President,
      Chief Executive Officer and Director</font></div>
            </td>
            <td align="left" valign="top" width="14%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">May 5,
      2010</font></div>
            </td>
          </tr><tr>
            <td align="left" valign="top" width="27%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Stuart M.
      Brightman</font></div>
            </td>
            <td valign="top" width="39%" style="TEXT-ALIGN: left">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">(Principal
      Executive Officer)</font></div>
            </td>
            <td valign="top" width="14%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
          </tr><tr>
            <td valign="top" width="27%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="14%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
          </tr><tr>
            <td align="left" valign="top" width="27%" style="BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">/s/Joseph M.
      Abell</font></div>
            </td>
            <td align="left" valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Senior Vice
      President and Chief Financial Officer</font></div>
            </td>
            <td align="left" valign="top" width="14%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">May 5,
      2010</font></div>
            </td>
          </tr><tr>
            <td align="left" valign="top" width="27%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Joseph M.
      Abell</font></div>
            </td>
            <td align="left" valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">(Principal
      Financial Officer)</font></div>
            </td>
            <td valign="top" width="14%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
          </tr><tr>
            <td valign="top" width="27%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="14%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
          </tr><tr>
            <td align="left" valign="top" width="27%" style="BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">/s/Ben C.
      Chambers</font></div>
            </td>
            <td align="left" valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Vice
      President &#8211; Accounting</font></div>
            </td>
            <td align="left" valign="top" width="14%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">May 5,
      2010</font></div>
            </td>
          </tr><tr>
            <td align="left" valign="top" width="27%">
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    </font></td>
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            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            </td>
          </tr><tr>
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            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">May 5,
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            </td>
          </tr><tr>
            <td align="left" valign="top" width="27%">
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            </td>
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">May 5,
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            </td>
          </tr><tr>
            <td align="left" valign="top" width="27%">
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            <td valign="top" width="27%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            </td>
            <td align="left" valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Director</font></div>
            </td>
            <td align="left" valign="top" width="14%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">May 5,
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          </tr><tr>
            <td align="left" valign="top" width="27%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Geoffrey M.
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            <td valign="top" width="14%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            <td valign="top" width="27%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            </td>
            <td align="left" valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Director</font></div>
            </td>
            <td align="left" valign="top" width="14%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">May 5,
      2010</font></div>
            </td>
          </tr><tr>
            <td align="left" valign="top" width="27%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Allen T.
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            </td>
            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            <td valign="top" width="14%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            <td valign="top" width="27%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            </td>
            <td align="left" valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Director</font></div>
            </td>
            <td align="left" valign="top" width="14%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">May 5,
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            </td>
          </tr><tr>
            <td align="left" valign="top" width="27%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Kenneth P.
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            </td>
            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            <td valign="top" width="14%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            <td valign="top" width="27%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="14%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            </td>
            <td align="left" valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Director</font></div>
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            <td align="left" valign="top" width="14%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">May 5,
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            <td align="left" valign="top" width="27%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">William D.
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            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="14%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            <td valign="top" width="27%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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      White, Jr.</font></div>
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            <td align="left" valign="top" width="39%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Director</font></div>
            </td>
            <td align="left" valign="top" width="14%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">May 5,
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              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Kenneth E.
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            <td valign="top" width="39%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="14%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
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    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div><br>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always; WIDTH: 100%">
        <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman"><font style="FONT-SIZE: 8pt; FONT-FAMILY: Arial">-6-&#160;</font> </font></div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
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INDEX</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div align="left">
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
            <td valign="top" width="8%" style="BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">Exhibit
      No.</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td valign="top" width="90%" style="BORDER-BOTTOM: black 2px solid">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: arial">Description</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.1</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Restated
      Certificate of Incorporation of TETRA Technologies, Inc. (incorporated by
      reference to Exhibit 3.1 to the Company&#8217;s Registration Statement on Form
      S-4 filed on December 27, 1995 (SEC File No.
33-80881)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.2</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 3.1 to the
      Company&#8217;s Registration Statement on Form S-4 filed on December 27, 1995
      (SEC File No. 33-80881)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.3</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 3.1(ii) to the
      Company&#8217;s Annual Report on Form 10-K for the year ended December 31, 2003
      filed on March 15, 2004 (SEC File No. 001-13455)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.4</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 4.4 to the
      Company&#8217;s Registration Statement on Form S-4 filed on May 25, 2004 (SEC
      File No. 333-115859)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.5</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc (incorporated by reference to Exhibit 4.5 to the
      Company&#8217;s Registration Statement on Form S-8 filed on May 4, 2006 (SEC
      File No. 333-133790)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.6</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Amended and
      Restated Bylaws of TETRA Technologies, Inc. (incorporated by reference to
      Exhibit 4.6 to the Company&#8217;s Registration Statement on Form S-8 filed on
      May 4, 2006 (SEC File No. 333-133790)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.7</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Certificate
      of Designation of Series One Junior Participating Preferred Stock of the
      Company, dated October 27, 1998 (incorporated by reference to Exhibit 2 to
      the Company&#8217;s Registration Statement on Form 8-A filed on October 28, 1998
      (SEC File No. 001-13455)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.8</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Rights
      Agreement, dated as of October 26, 1998, between the Company and Harris
      Trust and Savings Bank (predecessor to Computershare Investor Services
      LLC), as Rights Agent (incorporated by reference to Exhibit 1 to the
      Company&#8217;s Registration Statement on Form 8-A filed on October 28, 1998
      (SEC File No. 001-13455)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.9</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">First
      Amendment to Rights Agreement dated as of November 6, 2008, by and between
      TETRA Technologies, Inc. and Computershare Trust Company, N.A. (as
      successor rights agent to Harris Trust and Savings Bank), as Rights Agent
      (incorporated by reference to Exhibit 4.1 to the Company&#8217;s Current Report
      on Form 8-K filed on November 6, 2008 (SEC File No.
      001-13455)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">+4.10</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Specimen
      Common Stock Certificate of the Company (incorporated by reference to
      Exhibit 4.1 to the Company&#8217;s Registration Statement on Form S-1 filed on
      February 23, 1990 (SEC File No. 33-33586)).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.11</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.12</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Employee Incentive Stock Option Agreement under the TETRA Technologies,
      Inc. 2007 Long Term Incentive Compensation Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.13</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Employee Nonqualified Stock Option Agreement under the TETRA Technologies,
      Inc. 2007 Long Term Incentive Compensation Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.14</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Employee Restricted Stock Agreement under the TETRA Technologies, Inc.
      2007 Long Term Incentive Compensation Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.15</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Non-Employee Consultant Nonqualified Stock Option Agreement under the
      TETRA Technologies, Inc. 2007 Long Term Incentive Compensation
      Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.16</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Non-Employee Consultant Restricted Stock Agreement under the TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*4.17</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Form of
      Non-Employee Director Restricted Stock Agreement under the TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*5.1</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Opinion of
      Andrews Kurth LLP.</font></div>
            </td>
          </tr></table>
      <div>&#160;</div>
      <div>&#160;</div>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">
          </div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always; WIDTH: 100%">
          <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Arial">-7-</font></div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">
          </div>
        </div>
      </div>
      <div>&#160;</div>
      <table cellpadding="0" cellspacing="0" width="100%" style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">
<tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*23.1</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Consent of
      Andrews Kurth LLP (included in Exhibit 5.1).</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*23.2</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Consent of
      Ernst &amp; Young LLP.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*23.3</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Consent of
      Ryder Scott Company, L.P.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*23.4</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Consent of
      DeGolyer and MacNaughton.</font></div>
            </td>
          </tr><tr>
            <td valign="top" width="8%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">*24.1</font></div>
            </td>
            <td valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: arial">&#160;
    </font></td>
            <td align="left" valign="top" width="90%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: arial">Powers of
      Attorney (included on signature page).</font></div>
            </td>
          </tr></table>
      <div>
        <hr style="COLOR: black" align="left" noshade size="1" width="20%">
      </div><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">+Incorporated by
reference.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Arial">* Filed
herewith.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div><br>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
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        <div id="GLFTR" style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
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        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
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[{"type": "S-8", "sequence": "1", "filename": "ttis8-20100505.htm", "description": "FORM S-8", "secsgml_size_bytes": 109008}]
{"company-data": {"conformed-name": "TETRA TECHNOLOGIES INC", "cik": "0000844965", "assigned-sic": "1311", "irs-number": "742148293", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-166537", "film-number": "10801545"}, "business-address": {"street1": "24955 INTERSTATE 45 NORTH", "city": "THE WOODLANDS", "state": "TX", "zip": "77380", "phone": "2813671983"}, "mail-address": {"street1": "24955 INTERSTATE 45 NORTH", "city": "THE WOODLANDS", "state": "TX", "zip": "77380"}}
ttis8-20100505.htm
As filed with the
Securities and Exchange Commission on May 5, 2010
Registration No.
333-
UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
WASHINGTON,
D.C. 20549
FORM
S-8
REGISTRATION
STATEMENT UNDER
THE
SECURITIES ACT OF 1933
TETRA
TECHNOLOGIES, INC.
(Exact
name of Registrant as specified in its charter)
Delaware
74-2148293
(State
      or other jurisdiction
(I.R.S.
      Employer
of
      incorporation or organization)
Identification
      No.)
24955
      Interstate 45 North
The
      Woodlands, Texas
77380
(Address
      of Principal Executive Offices)
(Zip
      Code)
TETRA
TECHNOLOGIES, INC.
2007
LONG TERM INCENTIVE COMPENSATION PLAN
(Full
Title of the Plan)
Bass
C. Wallace, Jr.
General
Counsel
24955
Interstate 45 North
The
Woodlands, Texas 77380
(Name
and address of agent for service)
(281)
367-1983
(Telephone
number, including area code,
of
agent for service)
Indicate by
check mark whether the registrant is a large accelerated filer, an accelerated
filer, a non-accelerated filer, or a smaller reporting company. See the
definitions of "large accelerated filer," "accelerated filer," and "smaller
reporting company" in Rule 12b-2 of the Exchange Act. (Check
One):
Large
      Accelerated Filer [ X ]
Accelerated
      Filer [   ]
Non-Accelerated
      Filer [   ] (Do not check if a smaller reporting
      company)
Smaller
      Reporting Company
[   ]
CALCULATION
OF REGISTRATION FEE
Title
      of securities
to
      be registered
Amount
      to be
registered
(1)
Proposed
      maximum
offering
      price
per
      share
(2)
Proposed
      maximum
aggregate
      offering
price
(2)
Amount
      of
registration
      fee
Common Stock,
      par value $0.01 per share
(3)
1,000,000
      shares
$12.33
$12,330,000
$879.15
(1)
Pursuant to
      Rule 416(a) under the Securities Act of 1933, as amended, the number of
      shares of common stock registered herein includes an indeterminate number
      of additional shares that may be issued with respect to the securities
      registered hereunder by reason of stock dividends, spin-offs,
      extraordinary dividends, stock splits, combinations of shares,
      recapitalizations, mergers, consolidations, reorganizations or similar
      transactions.
(2)
Estimated
      solely for the purpose of determining the amount of the registration fee
      in accordance with Rule 457(c) and (h) under the Securities Act of 1933,
      as amended and based upon the average of the high and low sales prices of
      the Registrant's common stock on the New York Stock Exchange on May 3,
      2010.
(3)
Includes the
      preferred stock purchase rights (as adjusted and as subject to further
      adjustment upon certain events) associated with the common
      stock.
EXPLANATORY
NOTE
This Registration Statement on Form S-8 is
filed by TETRA Technologies, Inc., a Delaware corporation (the "Company")
relating to 1,000,000 shares of its common stock, par value $0.01 per share (the
"Common Stock"), issuable under the TETRA Technologies, Inc. 2007 Long Term
Incentive Compensation Plan (the "Plan"), which Common Stock is in addition to
the 90,000 shares of Common Stock registered on the Company's Registration
Statement on Form S-8 filed on May 4, 2007 (Commission File
No. 333-142637) and the 4,500,000 shares of Common Stock registered on the
Company's Registration Statement on Form S-8 filed on May 9, 2008 (Commission
File No. 333-150783) (together, the "Prior Registration
Statements").
This Registration Statement relates to
securities of the same class as those to which the Prior Registration Statements
relate, and is submitted in accordance with General Instruction E to
Form S-8 regarding the Registration of Additional Securities. Pursuant to
Instruction E of Form S-8, the contents of the Prior Registration
Statements are incorporated herein by reference and made part of this
Registration Statement, except as supplemented by the information set forth
below.
PART
II
INFORMATION
REQUIRED IN THE REGISTRATION STATEMENT
Item
3. INCORPORATION OF DOCUMENTS BY REFERENCE
The following documents, which have been
previously filed by the Company with the Securities and Exchange Commission (the
"SEC"), are incorporated by reference into this Registration Statement, other
than any portions of the respective filings that were furnished rather than
filed (pursuant to Item 2.02 or Item 7.01 of any Current Report on Form 8-K or
other applicable SEC rules):
(a)      The
Company's Annual Report on Form 10-K for the fiscal year ended December 31, 2009
as filed with the SEC on March 1, 2010 (File No. 001-13455);
(b)      The
Company's Current Report on Form 8-K as filed by the Company with the SEC on
March 12, 2010 (File No. 001-13455);
(c)      The
description of the Company's common stock, par value $0.01 per share, contained
in the Registration Statement on Form 8-A filed with the SEC on October 7, 1997
(File No. 001-13455), including any amendments and reports filed for the purpose
of updating such description; and
(d)      The
description of the Company's Series One Junior Participating Preferred Stock
contained in the Company's Registration Statement on Form 8-A filed with the SEC
on October 28, 1998 (File No. 001-13455), as amended by Amendment No. 1 thereto
filed with the SEC on November 6, 2008 (File No. 001-13455), including any
additional amendments or reports filed for the purpose of updating such
description.
All documents filed by the Company pursuant to
Sections 13(a), 13(c), 14 and 15(d) of the Securities Exchange Act of 1934, as
amended (the "Exchange Act"), (excluding any information furnished pursuant to
Item 2.02 or Item 7.01 on any Current Report on Form 8-K or other applicable SEC
rules) subsequent to the date of this Registration Statement and prior to the
filing of a post-effective amendment which indicates that all securities offered
hereby have been sold or which deregisters all securities remaining unsold,
shall be deemed to be incorporated by reference herein and to be a part hereof
from the date of the filing of such documents.
Any statement contained in a document
incorporated or deemed incorporated by reference in this Registration Statement
shall be deemed to be modified or superseded for purposes of this Registration
Statement to the extent that a statement contained in this Registration
Statement or in any other subsequently filed document which also is incorporated
or deemed to be incorporated by reference in this Registration Statement
modifies or supersedes such statement. Any such statement so modified or
superseded shall not be deemed, except as modified or superseded, to constitute
a part of this Registration Statement.
-2-
Item
8. EXHIBITS
The following exhibits have been filed as a
part of this Registration Statement and are specifically incorporated by
reference:
Exhibit
      No.
Description
+4.1
Restated
      Certificate of Incorporation of TETRA Technologies, Inc. (incorporated by
      reference to Exhibit 3.1 to the Company's Registration Statement on Form
      S-4 filed on December 27, 1995 (SEC File No.
33-80881)).
+4.2
Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 3.1 to the
      Company's Registration Statement on Form S-4 filed on December 27, 1995
      (SEC File No. 33-80881)).
+4.3
Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 3.1(ii) to the
      Company's Annual Report on Form 10-K for the year ended December 31, 2003
      filed on March 15, 2004 (SEC File No. 001-13455)).
+4.4
Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 4.4 to the
      Company's Registration Statement on Form S-4 filed on May 25, 2004 (SEC
      File No. 333-115859)).
+4.5
Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc (incorporated by reference to Exhibit 4.5 to the
      Company's Registration Statement on Form S-8 filed on May 4, 2006 (SEC
      File No. 333-133790)).
+4.6
Amended and
      Restated Bylaws of TETRA Technologies, Inc. (incorporated by reference to
      Exhibit 4.6 to the Company's Registration Statement on Form S-8 filed on
      May 4, 2006 (SEC File No. 333-133790)).
+4.7
Certificate
      of Designation of Series One Junior Participating Preferred Stock of the
      Company, dated October 27, 1998 (incorporated by reference to Exhibit 2 to
      the Company's Registration Statement on Form 8-A filed on October 28, 1998
      (SEC File No. 001-13455)).
+4.8
Rights
      Agreement, dated as of October 26, 1998, between the Company and Harris
      Trust and Savings Bank (predecessor to Computershare Investor Services
      LLC), as Rights Agent (incorporated by reference to Exhibit 1 to the
      Company's Registration Statement on Form 8-A filed on October 28, 1998
      (SEC File No. 001-13455)).
+4.9
First
      Amendment to Rights Agreement dated as of November 6, 2008, by and between
      TETRA Technologies, Inc. and Computershare Trust Company, N.A. (as
      successor rights agent to Harris Trust and Savings Bank), as Rights Agent
      (incorporated by reference to Exhibit 4.1 to the Company's Current Report
      on Form 8-K filed on November 6, 2008 (SEC File No.
      001-13455)).
+4.10
Specimen
      Common Stock Certificate of the Company (incorporated by reference to
      Exhibit 4.1 to the Company's Registration Statement on Form S-1 filed on
      February 23, 1990 (SEC File No. 33-33586)).
*4.11
TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.
*4.12
Form of
      Employee Incentive Stock Option Agreement under the TETRA Technologies,
      Inc. 2007 Long Term Incentive Compensation Plan.
*4.13
Form of
      Employee Nonqualified Stock Option Agreement under the TETRA Technologies,
      Inc. 2007 Long Term Incentive Compensation Plan.
*4.14
Form of
      Employee Restricted Stock Agreement under the TETRA Technologies, Inc.
      2007 Long Term Incentive Compensation Plan.
*4.15
Form of
      Non-Employee Consultant Nonqualified Stock Option Agreement under the
      TETRA Technologies, Inc. 2007 Long Term Incentive Compensation
      Plan.
*4.16
Form of
      Non-Employee Consultant Restricted Stock Agreement under the TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.
-3-
*4.17
Form of
      Non-Employee Director Restricted Stock Agreement under the TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.
*5.1
Opinion of
      Andrews Kurth LLP.
*23.1
Consent of
      Andrews Kurth LLP (included in Exhibit 5.1).
*23.2
Consent of
      Ernst & Young LLP.
*23.3
Consent of
      Ryder Scott Company, L.P.
*23.4
Consent of
      DeGolyer and MacNaughton.
*24.1
Powers of
      Attorney (included on signature
page).
+Incorporated by
reference.
* Filed
herewith.
-4-
SIGNATURES
The Registrant.
Pursuant to
the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for
filing on Form
S-8 and has duly
caused this registration statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of The Woodlands, State of
Texas, on this 5
th
day
of May, 2010.
TETRA
      TECHNOLOGIES, INC.
By:
/s/Stuart
      M.
      Brightman
Name: Stuart
      M. Brightman
Title:
      President & Chief Executive
Officer
-5-
POWER
OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that each of
the undersigned officers and directors of the registrant hereby constitutes and
appoints Stuart M. Brightman and Bass C. Wallace, Jr., and each of them
severally, his lawful attorney-in-fact and agent, with full power of
substitution and resubstitution, for him and on his behalf and in his name,
place and stead, in any and all capacities, to sign, execute and file this
registration statement under the Securities Act of 1933, as amended, and any and
all amendments (including, without limitation, post-effective amendments), with
all exhibits and any and all documents required to be filed with respect
thereto, with the Securities and Exchange Commission or any regulatory
authority, granting unto such attorneys-in-fact and agents full power and
authority to do and perform each and every act and thing requisite and necessary
to be done in and about the premises in order to effectuate the same, as fully
to all intents and purposes as he himself might or could do, if personally
present, hereby ratifying and confirming all that said attorneys-in-fact and
agents or his substitute or substitutes, may lawfully do or cause to be
done.
Pursuant to the requirements of the Securities
Act of 1933, this registration statement has been signed by the following
persons in the capacities and on the dates stated.
Name and Signature
Title
Date
/s/Stuart M.
      Brightman
President,
      Chief Executive Officer and Director
May 5,
      2010
Stuart M.
      Brightman
(Principal
      Executive Officer)
/s/Joseph M.
      Abell
Senior Vice
      President and Chief Financial Officer
May 5,
      2010
Joseph M.
      Abell
(Principal
      Financial Officer)
/s/Ben C.
      Chambers
Vice
      President – Accounting
May 5,
      2010
Ben C.
      Chambers
(Principal
      Accounting Officer)
/s/Ralph S.
      Cunningham
Chairman of
      the Board of Directors and Director
May 5,
      2010
Ralph S.
      Cunningham
/s/Paul D.
      Coombs
Director
May 5,
      2010
Paul D.
      Coombs
/s/Tom H.
      Delimitros
Director
May 5,
      2010
Tom H.
      Delimitros
/s/Geoffrey
      M. Hertel
Director
May 5,
      2010
Geoffrey M.
      Hertel
/s/Allen T.
      McInnes
Director
May 5,
      2010
Allen T.
      McInnes
/s/Kenneth P.
      Mitchell
Director
May 5,
      2010
Kenneth P.
      Mitchell
/s/William D.
      Sullivan
Director
May 5,
      2010
William D.
      Sullivan
/s/Kenneth E.
      White, Jr.
Director
May 5,
      2010
Kenneth E.
      White, Jr.
-6-
EXHIBIT
INDEX
Exhibit
      No.
Description
+4.1
Restated
      Certificate of Incorporation of TETRA Technologies, Inc. (incorporated by
      reference to Exhibit 3.1 to the Company's Registration Statement on Form
      S-4 filed on December 27, 1995 (SEC File No.
33-80881)).
+4.2
Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 3.1 to the
      Company's Registration Statement on Form S-4 filed on December 27, 1995
      (SEC File No. 33-80881)).
+4.3
Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 3.1(ii) to the
      Company's Annual Report on Form 10-K for the year ended December 31, 2003
      filed on March 15, 2004 (SEC File No. 001-13455)).
+4.4
Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc. (incorporated by reference to Exhibit 4.4 to the
      Company's Registration Statement on Form S-4 filed on May 25, 2004 (SEC
      File No. 333-115859)).
+4.5
Certificate
      of Amendment of Restated Certificate of Incorporation of TETRA
      Technologies, Inc (incorporated by reference to Exhibit 4.5 to the
      Company's Registration Statement on Form S-8 filed on May 4, 2006 (SEC
      File No. 333-133790)).
+4.6
Amended and
      Restated Bylaws of TETRA Technologies, Inc. (incorporated by reference to
      Exhibit 4.6 to the Company's Registration Statement on Form S-8 filed on
      May 4, 2006 (SEC File No. 333-133790)).
+4.7
Certificate
      of Designation of Series One Junior Participating Preferred Stock of the
      Company, dated October 27, 1998 (incorporated by reference to Exhibit 2 to
      the Company's Registration Statement on Form 8-A filed on October 28, 1998
      (SEC File No. 001-13455)).
+4.8
Rights
      Agreement, dated as of October 26, 1998, between the Company and Harris
      Trust and Savings Bank (predecessor to Computershare Investor Services
      LLC), as Rights Agent (incorporated by reference to Exhibit 1 to the
      Company's Registration Statement on Form 8-A filed on October 28, 1998
      (SEC File No. 001-13455)).
+4.9
First
      Amendment to Rights Agreement dated as of November 6, 2008, by and between
      TETRA Technologies, Inc. and Computershare Trust Company, N.A. (as
      successor rights agent to Harris Trust and Savings Bank), as Rights Agent
      (incorporated by reference to Exhibit 4.1 to the Company's Current Report
      on Form 8-K filed on November 6, 2008 (SEC File No.
      001-13455)).
+4.10
Specimen
      Common Stock Certificate of the Company (incorporated by reference to
      Exhibit 4.1 to the Company's Registration Statement on Form S-1 filed on
      February 23, 1990 (SEC File No. 33-33586)).
*4.11
TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.
*4.12
Form of
      Employee Incentive Stock Option Agreement under the TETRA Technologies,
      Inc. 2007 Long Term Incentive Compensation Plan.
*4.13
Form of
      Employee Nonqualified Stock Option Agreement under the TETRA Technologies,
      Inc. 2007 Long Term Incentive Compensation Plan.
*4.14
Form of
      Employee Restricted Stock Agreement under the TETRA Technologies, Inc.
      2007 Long Term Incentive Compensation Plan.
*4.15
Form of
      Non-Employee Consultant Nonqualified Stock Option Agreement under the
      TETRA Technologies, Inc. 2007 Long Term Incentive Compensation
      Plan.
*4.16
Form of
      Non-Employee Consultant Restricted Stock Agreement under the TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.
*4.17
Form of
      Non-Employee Director Restricted Stock Agreement under the TETRA
      Technologies, Inc. 2007 Long Term Incentive Compensation
    Plan.
*5.1
Opinion of
      Andrews Kurth LLP.
-7-
*23.1
Consent of
      Andrews Kurth LLP (included in Exhibit 5.1).
*23.2
Consent of
      Ernst & Young LLP.
*23.3
Consent of
      Ryder Scott Company, L.P.
*23.4
Consent of
      DeGolyer and MacNaughton.
*24.1
Powers of
      Attorney (included on signature page).
+Incorporated by
reference.
* Filed
herewith.
-8-