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<title>Form S-8</title>

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  <p style="margin:1pt 0in 2pt;"><font face="Arial, Helvetica, sans-serif" size="2"><b>As
    filed with the Securities and Exchange Commission on July 6, 2005.</b></font></p>
  <p style="margin:1pt 0in 2pt;" align="right"><b><font size="2" face="Arial, Helvetica, sans-serif">Registration
    No. 333-___</font></b></p>
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  <p style="margin:10pt 0in 2pt;"><font face="Arial, Helvetica, sans-serif" size="3"><b>UNITED
    STATES</b></font></p>
  <p style="margin:0pt 0in 2pt;"><font face="Arial, Helvetica, sans-serif" size="3"><b>SECURITIES
    AND EXCHANGE COMMISSION</b></font></p>
  <p style="margin:0in 0in 10pt;"><font size="3" face="Arial, Helvetica, sans-serif">WASHINGTON,
    D.C. 20549</font></p>
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  <p style="margin:10pt 0in 10pt;"><font face="Arial, Helvetica, sans-serif"><b><font size="5">FORM
    S-8</font></b></font></p>
  <p style="margin:0in 0in 1pt;"><font face="Arial, Helvetica, sans-serif"><font size="2">REGISTRATION
    STATEMENT </font></font></p>
  <p style="margin:0in 0in 10pt;"><font size="2" face="Arial, Helvetica, sans-serif">UNDER
    THE SECURITIES ACT OF 1933</font></p>
  <p style="margin:0in 0in .0001pt;" align="center"><font face="Arial, Helvetica, sans-serif"><b><font size="5">TETRA
    Technologies, Inc.</font></b></font></p>
  <p style="margin:0in 0in .0001pt;" align="center"><font face="Arial, Helvetica, sans-serif" size="2"><em>(Exact
    name of registrant as specified in its charter)</em></font></p>
  <p style="margin:0in 0in .0001pt;" align="center">&nbsp;</p>
  <table width="100%" border="0" cellspacing="0" cellpadding="0">
    <tr valign="bottom">
      <td width="40%">
        <div align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">Delaware</font></strong></div></td>
      <td width="20%">
        <div align="center"></div></td>
      <td width="40%">
        <div align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">74-2148293</font></strong></div></td>
    </tr>
    <tr valign="top">
      <td width="40%">
        <div align="center"><font face="Arial, Helvetica, sans-serif"><font size="2"><em>(State
          or other jurisdiction of incorporation or organization)</em></font></font></div></td>
      <td width="20%">
        <div align="center"><font face="Arial, Helvetica, sans-serif"><font size="2"></font></font></div></td>
      <td width="40%">
        <div align="center"><font face="Arial, Helvetica, sans-serif"><font size="2"><em>(I.R.S.
          Employer Identification Number)</em></font></font></div></td>
    </tr>
  </table>
  <p style="margin:0in 0in .0001pt;" align="center">&nbsp;</p>
  <p style="margin:0in 0in .0001pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">25025
    Interstate 45 North, Suite 600</font></strong></p>
  <p style="margin:0in 0in .0001pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">The
    Woodlands, Texas 77380</font></strong></p>
  <p style="margin:0in 0in .0001pt;" align="center"><font size="2" face="Arial, Helvetica, sans-serif"><em>(Address
    of Principal Executive Offices)</em></font></p>
  <p style="margin:0in 0in .0001pt;" align="center">&nbsp;</p>
  <p style="margin:0in 0in .0001pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">NONQUALIFIED
    STOCK OPTION AGREEMENT</font></strong></p>
  <p style="margin:0in 0in .0001pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">WITH
    STUART M. BRIGHTMAN</font></strong></p>
  <p style="margin:0in 0in .0001pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">EFFECTIVE
    APRIL 20, 2005</font></strong></p>
  <p style="margin:0in 0in 10pt;" align="center"><font size="2" face="Arial, Helvetica, sans-serif"><em>(Full
    title of the plan)</em></font></p>
  <p style="margin:0in 0in 1pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">Geoffrey
    M. Hertel</font></strong></p>
  <p style="margin:0in 0in 1pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">President
    and Chief Executive Officer</font></strong></p>
  <p style="margin:0in 0in 1pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">25025
    Interstate 45 North, Suite 600</font></strong></p>
  <p style="margin:0in 0in 1pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">The
    Woodlands, Texas 77380</font></strong></p>
  <p style="margin:0in 0in 1pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">(281)
    367-1983</font></strong></p>
  <p style="margin:0in 0in 1pt;" align="center"><font size="2" face="Arial, Helvetica, sans-serif"><em>(Name
    and address of agent for service)</em></font></p>
  <p style="margin:10pt 0in 10pt;" align="center"><font size="2" face="Arial, Helvetica, sans-serif"><strong>CALCULATION
    OF REGISTRATION FEE</strong></font></p>
  <table width="100%" border="0" cellspacing="0" cellpadding="0">
    <tr valign="bottom">
      <td width="28%" style="border:none;border-bottom:solid windowtext .5pt;border-top:double windowtext 1.5pt;border-right:solid windowtext .5pt;">
        <p align="center"><font face="Arial, Helvetica, sans-serif"><font size="2"><b>Title
          of securities to be registered</b></font></font></p></td>
      <td width="18%" style="border:none;border-bottom:solid windowtext .5pt;border-top:double windowtext 1.5pt;border-right:solid windowtext .5pt;">
        <p align="center"><font face="Arial, Helvetica, sans-serif"><font size="2"><b>Amount
          to be registered <em><font size="1">(1)</font></em></b></font></font></p></td>
      <td width="18%" style="border:none;border-bottom:solid windowtext .5pt;border-top:double windowtext 1.5pt;border-right:solid windowtext .5pt;">
        <p align="center"><font face="Arial, Helvetica, sans-serif"><font size="2"><b>Proposed
          maximum offering price per share <em><font size="1">(2)</font></em></b></font></font></p></td>
      <td width="18%" style="border:none;border-bottom:solid windowtext .5pt;border-top:double windowtext 1.5pt;border-right:solid windowtext .5pt;">
        <p align="center"><font face="Arial, Helvetica, sans-serif"><font size="2"><b>Proposed
          maximum aggregate offering price <em><font size="1">(2)</font></em></b></font></font></p></td>
      <td width="18%" style="border:none;border-bottom:solid windowtext .5pt;border-top:double windowtext 1.5pt;">
        <p align="center"><font face="Arial, Helvetica, sans-serif"><font size="2"><b>Amount
          of registration fee</b></font></font></p></td>
    </tr>
    <tr valign="middle">
      <td width="28%" style="border:none;border-bottom:double windowtext 1.5pt;border-right:solid windowtext .5pt;">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Common
          Stock, par value $0.01 per share <em><font size="1">(3)</font></em></font></td>
      <td width="18%" style="border:none;border-bottom:double windowtext 1.5pt;border-right:solid windowtext .5pt;"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">80,000
          shares </font></td>
      <td width="18%" style="border:none;border-bottom:double windowtext 1.5pt;border-right:solid windowtext .5pt;"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">$27.23</font></td>
      <td width="18%" style="border:none;border-bottom:double windowtext 1.5pt;border-right:solid windowtext .5pt;"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">$2,178,400</font></td>
      <td width="18%" style="border:none;border-bottom:double windowtext 1.5pt;"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">$256.40</font></td>
    </tr>
  </table>
  <p style="margin:5pt 0in 1pt;" align="left"><font size="1" face="Arial, Helvetica, sans-serif">(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.</font></p>
  <p style="margin:0in 0in 1pt;" align="left"><font size="1" face="Arial, Helvetica, sans-serif">(2)
    Based upon the number of shares of common stock registered hereby as to which
    the option has been granted multiplied by the exercise price of such option
    pursuant to Rule 457(h) under the Securities Act of 1933, as amended.</font></p>
  <p style="margin:0in 0in 1pt;" align="left"><font size="1" face="Arial, Helvetica, sans-serif">(3)
    Includes the preferred stock purchase rights (as adjusted and as subject to
    further adjustment upon certain events) associated with the common stock.</font></p>
  <p style="margin:2pt 0in 2pt;" align="center"><font size="1" face="Arial, Helvetica, sans-serif">&nbsp;</font></p>
  <hr noshade>
  <p align="center" style="page-break-before:always">
  <p style="margin:10pt 0in 10pt;" align="center"><b><font size="2" face="Arial, Helvetica, sans-serif">PART
    I</font></b></p>
  <p style="margin:10pt 0in 10pt;" align="center"><b><font size="2" face="Arial, Helvetica, sans-serif">INFORMATION
    REQUIRED IN SECTION 10(a) PROSPECTUS</font></b></p>
  <p style="margin:0pt 0in 10pt;text-indent:0.5in;" align="left"><font size="2" face="Arial, Helvetica, sans-serif">The
    document(s) containing the information specified in Part I of Form S-8 will
    be sent or given to participants in the Plan listed on the cover of the Registration
    Statement as specified by Rule 428(b)(1) under the Securities Act of 1933,
    as amended, (the &#8220;Securities Act&quot;). These documents and the documents
    incorporated herein by reference pursuant to Item 3 of Part II of this Registration
    Statement, taken together, constitute a prospectus that meets the requirements
    of Section 10(a) of the Securities Act. </font></p>
  <p style="margin:0pt 0in 10pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">PART
    II</font></strong></p>
  <p style="margin:0pt 0in 10pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">INFORMATION
    REQUIRED IN THE REGISTRATION STATEMENT</font></strong></p>
  <p align="left" style="margin:0pt 0in 10pt;"><font size="2" face="Arial, Helvetica, sans-serif"><strong>Item
    3. INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE</strong></font></p>
  <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">The following documents
    filed by TETRA Technologies, Inc. (the &#8220;Company&#8221;) with the Securities
    and Exchange Commission (the &#8220;SEC&#8221;) are incorporated herein by
    reference into the Registration Statement:</font></p>
    <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">(a) Our Annual Report on Form 10-K for the fiscal year ended December 31,
    2004;</font></p>

  <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">(b)
    Our Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 2005;</font></p>
   <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif"> (c) To the extent incorporated by reference into our Annual Report on Form
    10 K, our Definitive Proxy Statement on Schedule 14A, filed on March 30, 2005;</font></p>
   <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif"> (d) Our Current Reports on Form 8-K as filed by the Company with the SEC on
    January 7, 2005 and April 22, 2005;</font></p>

  <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">(e)
    The description of our 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. 0-18335), including any amendments and reports filed for the
    purpose of updating such description; and</font></p>
  <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">
    (f) The description of our Series One Junior Participating Preferred Stock
    contained in Registration Statement on Form 8-A (Reg. No. 01-13455) filed
    with the SEC on October 28, 1998, including any subsequent amendments or reports
    filed for the purpose of updating such description.</font></p>
   <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif"> All documents subsequently filed by us 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;), 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></p>
    <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">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></p>
  <p align="left" style="margin:0pt 0in 10pt;"><font size="2" face="Arial, Helvetica, sans-serif"><strong>Item
    4. DESCRIPTION OF SECURITIES</strong></font></p>
  <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">Not applicable.</font></p>
  <p style="margin:2pt 0in 2pt;" align="center"><font size="1" face="Arial, Helvetica, sans-serif">-2-</font></p>
  <hr noshade>
  <p align="center" style="page-break-before:always">
  <p align="left" style="margin:0pt 0in 10pt;"><strong><font size="2" face="Arial, Helvetica, sans-serif">Item
    5. INTERESTS OF NAMED EXPERTS AND COUNSEL</font></strong></p>
    <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">Not applicable.</font></p>

  <p align="left" style="margin:0pt 0in 10pt;"><font size="2" face="Arial, Helvetica, sans-serif">
    <strong>Item 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS</strong></font></p>
   <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif"> Subsection (a) of Section 145 of the General Corporation Law of the State
    of Delaware (the &#8220;DGCL&#8221;) empowers a corporation to indemnify any
    person who was or is a party or is threatened to be made a party to any threatened,
    pending or completed action, suit or proceeding, whether civil, criminal,
    administrative or investigative (other than an action by or in the right of
    the corporation) by reason of the fact that he is or was a director, officer,
    employee or agent of the corporation, or is or was serving at the request
    of the corporation as a director, officer, employee or agent of another corporation,
    partnership, joint venture, trust or other enterprise, against expenses (including
    attorneys&#8217; fees), judgments, fines and amounts paid in settlement actually
    and reasonably incurred by him in connection with such action, suit or proceeding
    if he acted in good faith and in a manner he reasonably believed to be in
    or not opposed to the best interests of the corporation, and, with respect
    to any criminal action or proceeding, had no reasonable cause to believe his
    conduct was unlawful.</font></p>
   <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif"> Subsection (b) of Section 145 of the DGCL empowers a corporation to indemnify
    any person who was or is a party or is threatened to be made a party to any
    threatened, pending or completed action, or suit by or in the right of the
    corporation to procure a judgment in its favor by reason of the fact that
    such person acted in any of the capacities set forth above, against expenses
    (including attorneys&#8217; fees) actually and reasonably incurred by him
    in connection with the defense or settlement of such action or suit if he
    acted in good faith and in a manner that he reasonably believed to be in or
    not opposed to the best interests of the corporation, except that no indemnification
    may be made in respect of any claim, issue or matter as to which such person
    shall have been made to be liable to the corporation unless and only to the
    extent that the Court of Chancery or the court in which such action or suit
    was brought shall determine upon application that, despite the adjudication
    of liability but in view of all of the circumstances of the case, such person
    is fairly and reasonably entitled to indemnity for such expenses which the
    Court of Chancery or such other court shall deem proper.</font></p>
    <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">Section 145 of the DGCL further provides that to the extent a director or
    officer of a corporation has been successful on the merits or otherwise in
    the defense of any action, suit or proceeding referred to in subsections (a)
    and (b) of Section 145 in the defense of any claim, issue or matter therein,
    he shall be indemnified against expenses (including attorneys&#8217; fees)
    actually and reasonably incurred by him in connection therewith; that indemnification
    provided for by Section 145 shall not be deemed exclusive of any other rights
    to which the indemnified party may be entitled; that indemnification provided
    for by Section 145 shall, unless otherwise provided when authorized or ratified,
    continue as to a person who has ceased to be a director, officer, employee
    or agent and shall inure to the benefit of such person&#8217;s heirs, executors
    and administrators; and empowers the corporation to purchase and maintain
    insurance on behalf of a director or officer of the corporation against any
    liability asserted against him and incurred by him in any such capacity, or
    arising out of his status as such whether or not the corporation would have
    the power to indemnify him against such liabilities under Section 145.</font></p>
   <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif"> The Company&#8217;s restated certificate of incorporation, as amended, provides
    for indemnification of directors and officers of the Company to the fullest
    extent permitted by applicable law. The Company&#8217;s bylaws, as amended,
    also provide that directors and officers shall be indemnified against liabilities
    arising from their service as directors or officers to the fullest extent
    permitted by law, which generally requires that the individual act in good
    faith and in a manner he or she reasonably believes to be in or not opposed
    to the Company&#8217;s best interests.</font></p>
   <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif"> Section 102(b)(7) of the DGCL provides that a certificate of incorporation
    may contain a provision eliminating or limiting the personal liability of
    a director to the corporation or its stockholders for monetary damages for
    breach of fiduciary duty as a director provided that such provision shall
    not eliminate or limit the liability of a director (i) for any breach of the
    director&#8217;s duty of loyalty to the corporation or its stockholders, (ii)
    for acts or omissions not in good faith or which involve intentional misconduct
    or a knowing violation of law, (iii) under Section 174 of the DGCL or (iv)
    for any transaction from which the director derived an improper personal benefit.</font></p>
	<p style="margin:2pt 0in 2pt;" align="center"><font size="1" face="Arial, Helvetica, sans-serif">-3-</font></p>
  <hr noshade>
  <p align="center" style="page-break-before:always">
  <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">In
    accordance with the Section 102(b)(7) of the DGCL, the Company&#8217;s restated
    certificate of incorporation, as amended, contains a provision that generally
    eliminates the personal liability of directors for monetary damages for breaches
    of their fiduciary duty, subject to limitations of Section 102(b)(7).</font></p>
    <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">The Company maintains insurance policies that provide coverages to its directors
    and officers against certain liabilities.</font></p>
   <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif"> Insofar as indemnification for liabilities arising under the Securities Act
    of 1933 may be permitted to directors, officers or persons controlling the
    registrants pursuant to the foregoing provisions, the registrants have been
    informed that in the opinion of the Securities and Exchange Commission such
    indemnification is against public policy as expressed in the Act and is therefore
    unenforceable.</font></p>

  <p align="left" style="margin:0pt 0in 10pt;"><font size="2" face="Arial, Helvetica, sans-serif">
    <strong>Item 7. EXEMPTION FROM REGISTRATION CLAIMED</strong></font></p>
    <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">Not applicable.</font></p>

  <p align="left" style="margin:0pt 0in 10pt;"><font size="2" face="Arial, Helvetica, sans-serif">
    <strong>Item 8. EXHIBITS</strong></font></p>
  <p align="left" style="margin:0pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">
    The following exhibits have been filed as part of this Registration Statement
    and are specifically incorporated by reference:</font></p>
  <table width="100%" border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td width="18%" style="border:none;border-bottom:solid windowtext .5pt">
        <div align="center"><font size="2" face="Arial, Helvetica, sans-serif">Exhibit
          No.</font></div></td>
      <td width="2%"> <div align="center"><font size="2" face="Arial, Helvetica, sans-serif"></font></div></td>
      <td width="80%" style="border:none;border-bottom:solid windowtext .5pt">
        <div align="center"><font size="2" face="Arial, Helvetica, sans-serif">Description</font></div></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.1</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.2</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.3</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.4</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.5</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Bylaws,
          as amended, of the Company (incorporated by reference to Exhibit 3.2
          to the Company's Registration Statement on Form S-1 filed on February
          23, 1990 (SEC File No. 33-33586)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.6</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.7</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.8</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.9</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Form
          of Certificate of Designation for the Preferred Stock (incorporated
          by reference to Exhibit 4.9 to the Company's Registration Statement
          on Form S-4 filed on May 25, 2004 (SEC File No. 333-115859)).</font></td>
    </tr>
  </table>
  <p style="margin:10pt 0in 10pt;text-indent:0.5in;" align="left">&nbsp;</p>
  <p style="margin:2pt 0in 2pt;" align="center"><font size="1" face="Arial, Helvetica, sans-serif">-4-</font></p>
  <hr noshade>
  <p align="center" style="page-break-before:always">
  <table width="100%" border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.10</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Specimen
          Preferred Stock Certificate of the Company (incorporated by reference
          to Exhibit 4.10 to the Company's Registration Statement on Form S-4
          filed on May 25, 2004 (SEC File No. 333-115859)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.11</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Nonqualified
          Stock Option Agreement between the Company and Stuart M. Brightman,
          dated as of April 20, 2005 (incorporated by reference to Exhibit 10.1
          to the Company's Current Report on Form 8-K filed on April 22, 2005
          (SEC File No. 001-13455)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">5.1</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Opinion
          of Andrews Kurth LLP.</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">23.1</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Consent
          of Andrews Kurth LLP (included in Exhibit 5.1).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">23.2</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Consent
          of Ernst &amp; Young LLP.</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">23.3</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Consent
          of Ryder Scott Company, L.P.</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">24.1</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Powers
          of Attorney (included on signature page).</font></td>
    </tr>
  </table>
  <p style="margin:10pt 0in 10pt;" align="left"><font size="2" face="Arial, Helvetica, sans-serif"><strong>Item
    9. UNDERTAKINGS.</strong></font></p>
  <p style="margin:10pt 0in 10pt;" align="left"><font size="2" face="Arial, Helvetica, sans-serif">(a) The undersigned
    registrant hereby undertakes:</font></p>
   <p style="margin:10pt 0in 10pt;text-indent:0.5in;" align="left"><font size="2" face="Arial, Helvetica, sans-serif"> (1) To file, during any period in which offers or sales are being made, a
    post-effective amendment to this registration statement:</font></p>
   <p style="margin:10pt 0.5in 10pt;text-indent:0.5in;" align="left"><font size="2" face="Arial, Helvetica, sans-serif"> (i) To include any prospectus required by Section 10(a)(3) of the Securities
    Act of 1933;</font></p>
   <p style="margin:10pt 0.5in 10pt;text-indent:0.5in;" align="left"><font size="2" face="Arial, Helvetica, sans-serif"> (ii) To reflect in the prospectus any facts or events arising after the effective
    date of the registration statement (or the most recent post-effective amendment
    thereof) which, individually or in the aggregate, represent a fundamental
    change in the information set forth in the registration statement. Notwithstanding
    the foregoing, any increase or decrease in volume of securities offered (if
    the total dollar value of securities offered would not exceed that which was
    registered) and any deviation from the low or high end of the estimated maximum
    offering range may be reflected in the form of prospectus filed with the Commission
    pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price
    represent no more than a 20% change in the maximum aggregate offering price
    set forth in the &#8220;Calculation of Registration Fee&#8221; table in the
    effective registration statement;</font></p>
   <p style="margin:10pt 0.5in 10pt;text-indent:0.5in;" align="left"><font size="2" face="Arial, Helvetica, sans-serif"> (iii) To include any material information with respect to the plan of distribution
    not previously disclosed in the registration statement or any material change
    to such information in the registration statement.</font></p>

  <p style="margin:10pt 0.5in 10pt;" align="left"><font size="2" face="Arial, Helvetica, sans-serif"><em>Provided,
    however,</em> that paragraphs (a)(1)(i) and (a)(1)(ii) of this section do
    not apply if the registration statement is on Form S-3, Form S-8 or Form F-3,
    and the information required to be included in a post-effective amendment
    by those paragraphs is contained in periodic reports filed with or furnished
    to the Commission by the registrant pursuant to section 13 or section 15(d)
    of the Securities Exchange Act of 1934 that are incorporated by reference
    in the registration statement.</font></p>
    <p style="margin:10pt 0in 10pt;text-indent:0.5in;" align="left"><font size="2" face="Arial, Helvetica, sans-serif">(2) That, for the purpose of determining any liability under the Securities
    Act of 1933, each such post-effective amendment shall be deemed to be a new
    registration statement relating to the securities offered therein, and the
    offering of such securities at that time shall be deemed to be the initial
    bona fide offering thereof.</font></p>
    <p style="margin:10pt 0in 10pt;text-indent:0.5in;" align="left"><font size="2" face="Arial, Helvetica, sans-serif">(3) To remove from registration by means of a post-effective amendment any
    of the securities being registered which remain unsold at the termination
    of the offering.</font></p>
    <p style="margin:10pt 0in 10pt;" align="left"><font size="2" face="Arial, Helvetica, sans-serif">(b) The undersigned registrant hereby undertakes that, for purposes of determining
    any liability under the Securities Act of 1933, each filing of the registrant&#8217;s
    annual report pursuant to section 13(a) or section 15(d) of the Securities
    Exchange Act of 1934 (and, where applicable, each filing of an employee benefit
    plan&#8217;s annual report </font></p>
	<p style="margin:2pt 0in 2pt;" align="center"><font size="1" face="Arial, Helvetica, sans-serif">-5-</font></p>
  <hr noshade>
  <p align="center" style="page-break-before:always">
  <p style="margin:10pt 0in 10pt;" align="left"><font size="2" face="Arial, Helvetica, sans-serif">pursuant
    to section 15(d) of the Securities Exchange Act of 1934) that is incorporated
    by reference in the registration statement shall be deemed to be a new registration
    statement relating to the securities offered therein, and the offering of
    such securities at that time shall be deemed to be the initial bona fide offering
    thereof.</font></p>
    <p style="margin:10pt 0in 10pt;" align="left"><font size="2" face="Arial, Helvetica, sans-serif">(c) Insofar as indemnification for liabilities arising under the Securities
    Act of 1933 may be permitted to directors, officers and controlling persons
    of the registrant pursuant to the foregoing provisions, or otherwise, the
    registrant has been advised that in the opinion of the Securities and Exchange
    Commission such indemnification is against public policy as expressed in the
    Act and is, therefore, unenforceable. In the event that a claim for indemnification
    against such liabilities (other than the payment by the registrant of expenses
    incurred or paid by a director, officer or controlling person of the registrant
    in the successful defense of any action, suit or proceeding) is asserted by
    such director, officer or controlling person in connection with the securities
    being registered, the registrant will, unless in the opinion of its counsel
    the matter has been settled by controlling precedent, submit to a court of
    appropriate jurisdiction the question whether such indemnification by it is
    against public policy as expressed in the Act and will be governed by the
    final adjudication of such issue.</font></p>
	<p style="margin:2pt 0in 2pt;" align="center"><font size="1" face="Arial, Helvetica, sans-serif">-6-</font></p>
  <hr noshade>
  <p align="center" style="page-break-before:always">
  <p style="margin:10pt 0in 10pt;" align="center"><strong><font size="2" face="Arial, Helvetica, sans-serif">SIGNATURES</font></strong></p>
  <p style="margin:10pt 0in 10pt;text-indent:.5in;" align="justify"><font size="2" face="Arial, Helvetica, sans-serif"><strong>The
    Registrant.</strong> 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 6th day of July, 2005.</font></p>
  <p style="margin:10pt 0in 10pt;text-indent:4in;" align="left"><strong><font size="2" face="Arial, Helvetica, sans-serif">TETRA
    Technologies, Inc.</font></strong></p>
  <p style="margin:0pt 0in 1pt;text-indent:4in;" align="left"><font size="2" face="Arial, Helvetica, sans-serif">By:
    <u>/s/Geoffrey M. Hertel</u></font></p>
  <p style="margin:0pt 0in 1pt;text-indent:4in;" align="left"><font size="2" face="Arial, Helvetica, sans-serif">Geoffrey
    M. Hertel</font></p>
  <p style="margin:0pt 0in 10pt;text-indent:4in;" align="left"><font size="2" face="Arial, Helvetica, sans-serif">President
    &amp; Chief Executive Officer</font></p>
  <p style="margin:0pt 0in 10pt;" align="left">&nbsp;</p>
  <p style="margin:0pt 0in 10pt;" align="left">&nbsp;</p>
  <p style="margin:2pt 0in 2pt;" align="center"><font size="1" face="Arial, Helvetica, sans-serif">-7-</font></p>
  <hr noshade>
  <p align="center" style="page-break-before:always">
  <p align="center" style="margin:10pt 0in 10pt;"><font size="2" face="Arial, Helvetica, sans-serif"><strong>POWER
    OF ATTORNEY</strong></font></p>
  <p align="left" style="margin:10pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif">KNOW
    ALL MEN BY THESE PRESENTS, that each of the undersigned officers and directors
    of the registrant hereby constitutes and appoints Geoffrey M. Hertel and Bass
    C. Wallace, Jr., and each of them, his lawful attorney-in-fact and agent,
    with full power of substitution, for him and on his behalf and in his name,
    place and stead, in any 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></p>
   <p align="left" style="margin:10pt 0in 10pt;text-indent:0.5in;"><font size="2" face="Arial, Helvetica, sans-serif"> Pursuant to the requirements of the Securities Act, this registration statement
    has been signed by the following persons in the capacities and on the dates
    stated.</font></p>
  <table width="100%" border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p align="center"><font face="Arial, Helvetica, sans-serif"><font size="2">Name
          and Signature</font></font></p></td>
      <td width="2%"><p align="center"><font face="Arial, Helvetica, sans-serif"><font size="2"><b></b></font></font></p></td>
      <td width="50%" style="border:none;border-bottom:solid windowtext .5pt">
        <p align="center"><font face="Arial, Helvetica, sans-serif"><font size="2">Title</font></font></p></td>
      <td width="2%"><p align="center"><font face="Arial, Helvetica, sans-serif"><font size="2"><b></b></font></font></p></td>
      <td width="20%" style="border:none;border-bottom:solid windowtext .5pt">
<p align="center"><font face="Arial, Helvetica, sans-serif"><font size="2">Date</font></font></p></td>
    </tr>
    <tr>
      <td width="26%">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">/s/Geoffrey
          M. Hertel</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">President,
          Chief Executive Officer and Director</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">July
          6, 2005</font></td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Geoffrey
          M. Hertel</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">(Principal
          Executive Officer)</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">/s/Joseph
          M. Abell</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Senior
          Vice President and Chief Financial Officer</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">July
          6, 2005</font></td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Joseph
          M. Abell</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">(Principal
          Financial Officer)</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">/s/Ben
          C. Chambers</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Vice
          President &#150; Accounting</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">July
          6, 2005</font></td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Ben
          C. Chambers</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">(Principal
          Accounting Officer)</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">/s/J.
          Taft Symonds</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Chairman
          of the Board of Directors and Director</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">July
          6, 2005</font></td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">J.
          Taft Symonds</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Director</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Hoyt
          Ammidon, Jr.</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">/s/Paul
          D. Coombs</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Executive
          Vice President and Director</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">July
          6, 2005</font></td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Paul
          D. Coombs</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Director</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Ralph
          S. Cunningham</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Director</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Tom
          H. Delimitros</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">/s/Allen
          T. McInnes</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Director</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">July
          6, 2005</font></td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Allen
          T. McInnes</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">/s/Kenneth
          P. Mitchell</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Director</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">July
          6, 2005</font></td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Kenneth
          P. Mitchell</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
    <tr>
      <td width="26%" style="border:none;border-bottom:solid windowtext .5pt">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">/s/Kenneth
          E. White, Jr.</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Director</font></td>
      <td width="2%">&nbsp;</td>
      <td width="20%"> <p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">July
          6, 2005</font></td>
    </tr>
    <tr>
      <td width="26%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">Kenneth
          E. White, Jr.</font></td>
      <td width="2%">&nbsp;</td>
      <td width="50%">
        <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
      <td width="2%">&nbsp;</td>
      <td width="20%">
<p align="center" style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt">&nbsp;</td>
    </tr>
  </table>
  <p align="left" style="margin:10pt 0in 10pt;text-indent:0.5in;">&nbsp;</p>
  <p style="margin:2pt 0in 2pt;" align="center"><font size="1" face="Arial, Helvetica, sans-serif">-8-</font></p>
  <hr noshade>
  <p align="center" style="page-break-before:always">
  <p align="center" style="margin:10pt 0in 10pt;"><font size="2" face="Arial, Helvetica, sans-serif"><strong>EXHIBIT
    INDEX </strong></font></p>
	<table width="100%" border="0" cellspacing="0" cellpadding="0">
    <tr>
      <td width="18%" style="border:none;border-bottom:solid windowtext .5pt">
        <div align="center"><font size="2" face="Arial, Helvetica, sans-serif">Exhibit
          No.</font></div></td>
      <td width="2%"> <div align="center"><font size="2" face="Arial, Helvetica, sans-serif"></font></div></td>
      <td width="80%" style="border:none;border-bottom:solid windowtext .5pt">
        <div align="center"><font size="2" face="Arial, Helvetica, sans-serif">Description</font></div></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.1</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.2</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.3</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.4</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.5</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Bylaws,
          as amended, of the Company (incorporated by reference to Exhibit 3.2
          to the Company's Registration Statement on Form S-1 filed on February
          23, 1990 (SEC File No. 33-33586)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.6</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.7</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.8</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">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)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.9</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Form
          of Certificate of Designation for the Preferred Stock (incorporated
          by reference to Exhibit 4.9 to the Company's Registration Statement
          on Form S-4 filed on May 25, 2004 (SEC File No. 333-115859)).</font></td>
    </tr>
	<tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.10</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Specimen
          Preferred Stock Certificate of the Company (incorporated by reference
          to Exhibit 4.10 to the Company's Registration Statement on Form S-4
          filed on May 25, 2004 (SEC File No. 333-115859)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">4.11</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Nonqualified
          Stock Option Agreement between the Company and Stuart M. Brightman,
          dated as of April 20, 2005 (incorporated by reference to Exhibit 10.1
          to the Company's Current Report on Form 8-K filed on April 22, 2005
          (SEC File No. 001-13455)).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">5.1</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Opinion
          of Andrews Kurth LLP.</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">23.1</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Consent
          of Andrews Kurth LLP (included in Exhibit 5.1).</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">23.2</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Consent
          of Ernst &amp; Young LLP.</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">23.3</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Consent
          of Ryder Scott Company, L.P.</font></td>
    </tr>
    <tr>
      <td width="18%" valign="top"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font face="Arial, Helvetica, sans-serif" size="2">24.1</font></td>
      <td width="2%">&nbsp;</td>
      <td width="80%"> <p style="margin:0in 0in .0001pt 10pt;text-indent:-10.0pt"><font size="2" face="Arial, Helvetica, sans-serif">Powers
          of Attorney (included on signature page).</font></td>
    </tr>
  </table>
  <p style="margin:0in 0in 10pt;" align="left">&nbsp;</p>
   <p style="margin:2pt 0in 2pt;" align="center"><font size="1" face="Arial, Helvetica, sans-serif">-9-</font></p>
  <hr noshade>
  <p style="margin:0in 0in 10pt;" align="left">&nbsp;</p>
  <p style="margin:0in 0in 10pt;" align="left">&nbsp;</p>
  <p style="margin:0in 0in 10pt;" align="left">&nbsp;</p>
  <p style="margin:0pt 0in 10pt;" align="right">&nbsp;</p>
</div>
  </body>
</html>
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{"company-data": {"conformed-name": "TETRA TECHNOLOGIES INC", "cik": "0000844965", "assigned-sic": "2810", "irs-number": "742148293", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-126422", "film-number": "05941003"}, "business-address": {"street1": "25025 I-45N", "city": "THE WOODLANDS", "state": "TX", "zip": "77380", "phone": "2813671983"}, "mail-address": {"street1": "25025 I-45 NORTH", "city": "THE WOODLANDS", "state": "TX", "zip": "77380"}}
Form S-8
As
    filed with the Securities and Exchange Commission on July 6, 2005.
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 of incorporation or organization)
(I.R.S.
          Employer Identification Number)
25025
    Interstate 45 North, Suite 600
The
    Woodlands, Texas 77380
(Address
    of Principal Executive Offices)
NONQUALIFIED
    STOCK OPTION AGREEMENT
WITH
    STUART M. BRIGHTMAN
EFFECTIVE
    APRIL 20, 2005
(Full
    title of the plan)
Geoffrey
    M. Hertel
President
    and Chief Executive Officer
25025
    Interstate 45 North, Suite 600
The
    Woodlands, Texas 77380
(281)
    367-1983
(Name
    and address of agent for service)
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)
80,000
          shares
$27.23
$2,178,400
$256.40
(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)
    Based upon the number of shares of common stock registered hereby as to which
    the option has been granted multiplied by the exercise price of such option
    pursuant to Rule 457(h) under the Securities Act of 1933, as amended.
(3)
    Includes the preferred stock purchase rights (as adjusted and as subject to
    further adjustment upon certain events) associated with the common stock.
PART
    I
INFORMATION
    REQUIRED IN SECTION 10(a) PROSPECTUS
The
    document(s) containing the information specified in Part I of Form S-8 will
    be sent or given to participants in the Plan listed on the cover of the Registration
    Statement as specified by Rule 428(b)(1) under the Securities Act of 1933,
    as amended, (the "Securities Act"). These documents and the documents
    incorporated herein by reference pursuant to Item 3 of Part II of this Registration
    Statement, taken together, constitute a prospectus that meets the requirements
    of Section 10(a) of the Securities Act.
PART
    II
INFORMATION
    REQUIRED IN THE REGISTRATION STATEMENT
Item
    3. INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
The following documents
    filed by TETRA Technologies, Inc. (the "Company") with the Securities
    and Exchange Commission (the "SEC") are incorporated herein by
    reference into the Registration Statement:
(a) Our Annual Report on Form 10-K for the fiscal year ended December 31,
    2004;
(b)
    Our Quarterly Report on Form 10-Q for the fiscal quarter ended March 31, 2005;
(c) To the extent incorporated by reference into our Annual Report on Form
    10 K, our Definitive Proxy Statement on Schedule 14A, filed on March 30, 2005;
(d) Our Current Reports on Form 8-K as filed by the Company with the SEC on
    January 7, 2005 and April 22, 2005;
(e)
    The description of our 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. 0-18335), including any amendments and reports filed for the
    purpose of updating such description; and
(f) The description of our Series One Junior Participating Preferred Stock
    contained in Registration Statement on Form 8-A (Reg. No. 01-13455) filed
    with the SEC on October 28, 1998, including any subsequent amendments or reports
    filed for the purpose of updating such description.
All documents subsequently filed by us pursuant to Sections 13(a), 13(c),
    14 and 15(d) of the Securities Exchange Act of 1934, as amended (the "Exchange
    Act"), 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.
Item
    4. DESCRIPTION OF SECURITIES
Not applicable.
-2-
Item
    5. INTERESTS OF NAMED EXPERTS AND COUNSEL
Not applicable.
Item 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS
Subsection (a) of Section 145 of the General Corporation Law of the State
    of Delaware (the "DGCL") empowers a corporation to indemnify any
    person who was or is a party or is threatened to be made a party to any threatened,
    pending or completed action, suit or proceeding, whether civil, criminal,
    administrative or investigative (other than an action by or in the right of
    the corporation) by reason of the fact that he is or was a director, officer,
    employee or agent of the corporation, or is or was serving at the request
    of the corporation as a director, officer, employee or agent of another corporation,
    partnership, joint venture, trust or other enterprise, against expenses (including
    attorneys' fees), judgments, fines and amounts paid in settlement actually
    and reasonably incurred by him in connection with such action, suit or proceeding
    if he acted in good faith and in a manner he reasonably believed to be in
    or not opposed to the best interests of the corporation, and, with respect
    to any criminal action or proceeding, had no reasonable cause to believe his
    conduct was unlawful.
Subsection (b) of Section 145 of the DGCL empowers a corporation to indemnify
    any person who was or is a party or is threatened to be made a party to any
    threatened, pending or completed action, or suit by or in the right of the
    corporation to procure a judgment in its favor by reason of the fact that
    such person acted in any of the capacities set forth above, against expenses
    (including attorneys' fees) actually and reasonably incurred by him
    in connection with the defense or settlement of such action or suit if he
    acted in good faith and in a manner that he reasonably believed to be in or
    not opposed to the best interests of the corporation, except that no indemnification
    may be made in respect of any claim, issue or matter as to which such person
    shall have been made to be liable to the corporation unless and only to the
    extent that the Court of Chancery or the court in which such action or suit
    was brought shall determine upon application that, despite the adjudication
    of liability but in view of all of the circumstances of the case, such person
    is fairly and reasonably entitled to indemnity for such expenses which the
    Court of Chancery or such other court shall deem proper.
Section 145 of the DGCL further provides that to the extent a director or
    officer of a corporation has been successful on the merits or otherwise in
    the defense of any action, suit or proceeding referred to in subsections (a)
    and (b) of Section 145 in the defense of any claim, issue or matter therein,
    he shall be indemnified against expenses (including attorneys' fees)
    actually and reasonably incurred by him in connection therewith; that indemnification
    provided for by Section 145 shall not be deemed exclusive of any other rights
    to which the indemnified party may be entitled; that indemnification provided
    for by Section 145 shall, unless otherwise provided when authorized or ratified,
    continue as to a person who has ceased to be a director, officer, employee
    or agent and shall inure to the benefit of such person's heirs, executors
    and administrators; and empowers the corporation to purchase and maintain
    insurance on behalf of a director or officer of the corporation against any
    liability asserted against him and incurred by him in any such capacity, or
    arising out of his status as such whether or not the corporation would have
    the power to indemnify him against such liabilities under Section 145.
The Company's restated certificate of incorporation, as amended, provides
    for indemnification of directors and officers of the Company to the fullest
    extent permitted by applicable law. The Company's bylaws, as amended,
    also provide that directors and officers shall be indemnified against liabilities
    arising from their service as directors or officers to the fullest extent
    permitted by law, which generally requires that the individual act in good
    faith and in a manner he or she reasonably believes to be in or not opposed
    to the Company's best interests.
Section 102(b)(7) of the DGCL provides that a certificate of incorporation
    may contain a provision eliminating or limiting the personal liability of
    a director to the corporation or its stockholders for monetary damages for
    breach of fiduciary duty as a director provided that such provision shall
    not eliminate or limit the liability of a director (i) for any breach of the
    director's duty of loyalty to the corporation or its stockholders, (ii)
    for acts or omissions not in good faith or which involve intentional misconduct
    or a knowing violation of law, (iii) under Section 174 of the DGCL or (iv)
    for any transaction from which the director derived an improper personal benefit.
-3-
In
    accordance with the Section 102(b)(7) of the DGCL, the Company's restated
    certificate of incorporation, as amended, contains a provision that generally
    eliminates the personal liability of directors for monetary damages for breaches
    of their fiduciary duty, subject to limitations of Section 102(b)(7).
The Company maintains insurance policies that provide coverages to its directors
    and officers against certain liabilities.
Insofar as indemnification for liabilities arising under the Securities Act
    of 1933 may be permitted to directors, officers or persons controlling the
    registrants pursuant to the foregoing provisions, the registrants have been
    informed that in the opinion of the Securities and Exchange Commission such
    indemnification is against public policy as expressed in the Act and is therefore
    unenforceable.
Item 7. EXEMPTION FROM REGISTRATION CLAIMED
Not applicable.
Item 8. EXHIBITS
The following exhibits have been filed as 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
Bylaws,
          as amended, of the Company (incorporated by reference to Exhibit 3.2
          to the Company's Registration Statement on Form S-1 filed on February
          23, 1990 (SEC File No. 33-33586)).
4.6
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)).
4.7
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)).
4.8
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)).
4.9
Form
          of Certificate of Designation for the Preferred Stock (incorporated
          by reference to Exhibit 4.9 to the Company's Registration Statement
          on Form S-4 filed on May 25, 2004 (SEC File No. 333-115859)).
-4-
4.10
Specimen
          Preferred Stock Certificate of the Company (incorporated by reference
          to Exhibit 4.10 to the Company's Registration Statement on Form S-4
          filed on May 25, 2004 (SEC File No. 333-115859)).
4.11
Nonqualified
          Stock Option Agreement between the Company and Stuart M. Brightman,
          dated as of April 20, 2005 (incorporated by reference to Exhibit 10.1
          to the Company's Current Report on Form 8-K filed on April 22, 2005
          (SEC File No. 001-13455)).
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.
24.1
Powers
          of Attorney (included on signature page).
Item
    9. UNDERTAKINGS.
(a) The undersigned
    registrant hereby undertakes:
(1) To file, during any period in which offers or sales are being made, a
    post-effective amendment to this registration statement:
(i) To include any prospectus required by Section 10(a)(3) of the Securities
    Act of 1933;
(ii) To reflect in the prospectus any facts or events arising after the effective
    date of the registration statement (or the most recent post-effective amendment
    thereof) which, individually or in the aggregate, represent a fundamental
    change in the information set forth in the registration statement. Notwithstanding
    the foregoing, any increase or decrease in volume of securities offered (if
    the total dollar value of securities offered would not exceed that which was
    registered) and any deviation from the low or high end of the estimated maximum
    offering range may be reflected in the form of prospectus filed with the Commission
    pursuant to Rule 424(b) if, in the aggregate, the changes in volume and price
    represent no more than a 20% change in the maximum aggregate offering price
    set forth in the "Calculation of Registration Fee" table in the
    effective registration statement;
(iii) To include any material information with respect to the plan of distribution
    not previously disclosed in the registration statement or any material change
    to such information in the registration statement.
Provided,
    however,
that paragraphs (a)(1)(i) and (a)(1)(ii) of this section do
    not apply if the registration statement is on Form S-3, Form S-8 or Form F-3,
    and the information required to be included in a post-effective amendment
    by those paragraphs is contained in periodic reports filed with or furnished
    to the Commission by the registrant pursuant to section 13 or section 15(d)
    of the Securities Exchange Act of 1934 that are incorporated by reference
    in the registration statement.
(2) That, for the purpose of determining any liability under the Securities
    Act of 1933, each such post-effective amendment shall be deemed to be a new
    registration statement relating to the securities offered therein, and the
    offering of such securities at that time shall be deemed to be the initial
    bona fide offering thereof.
(3) To remove from registration by means of a post-effective amendment any
    of the securities being registered which remain unsold at the termination
    of the offering.
(b) The undersigned registrant hereby undertakes that, for purposes of determining
    any liability under the Securities Act of 1933, each filing of the registrant's
    annual report pursuant to section 13(a) or section 15(d) of the Securities
    Exchange Act of 1934 (and, where applicable, each filing of an employee benefit
    plan's annual report
-5-
pursuant
    to section 15(d) of the Securities Exchange Act of 1934) that is incorporated
    by reference in the registration statement shall be deemed to be a new registration
    statement relating to the securities offered therein, and the offering of
    such securities at that time shall be deemed to be the initial bona fide offering
    thereof.
(c) Insofar as indemnification for liabilities arising under the Securities
    Act of 1933 may be permitted to directors, officers and controlling persons
    of the registrant pursuant to the foregoing provisions, or otherwise, the
    registrant has been advised that in the opinion of the Securities and Exchange
    Commission such indemnification is against public policy as expressed in the
    Act and is, therefore, unenforceable. In the event that a claim for indemnification
    against such liabilities (other than the payment by the registrant of expenses
    incurred or paid by a director, officer or controlling person of the registrant
    in the successful defense of any action, suit or proceeding) is asserted by
    such director, officer or controlling person in connection with the securities
    being registered, the registrant will, unless in the opinion of its counsel
    the matter has been settled by controlling precedent, submit to a court of
    appropriate jurisdiction the question whether such indemnification by it is
    against public policy as expressed in the Act and will be governed by the
    final adjudication of such issue.
-6-
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 6th day of July, 2005.
TETRA
    Technologies, Inc.
By:
/s/Geoffrey M. Hertel
Geoffrey
    M. Hertel
President
    & Chief Executive Officer
-7-
POWER
    OF ATTORNEY
KNOW
    ALL MEN BY THESE PRESENTS, that each of the undersigned officers and directors
    of the registrant hereby constitutes and appoints Geoffrey M. Hertel and Bass
    C. Wallace, Jr., and each of them, his lawful attorney-in-fact and agent,
    with full power of substitution, for him and on his behalf and in his name,
    place and stead, in any 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, this registration statement
    has been signed by the following persons in the capacities and on the dates
    stated.
Name
          and Signature
Title
Date
/s/Geoffrey
          M. Hertel
President,
          Chief Executive Officer and Director
July
          6, 2005
Geoffrey
          M. Hertel
(Principal
          Executive Officer)
/s/Joseph
          M. Abell
Senior
          Vice President and Chief Financial Officer
July
          6, 2005
Joseph
          M. Abell
(Principal
          Financial Officer)
/s/Ben
          C. Chambers
Vice
          President – Accounting
July
          6, 2005
Ben
          C. Chambers
(Principal
          Accounting Officer)
/s/J.
          Taft Symonds
Chairman
          of the Board of Directors and Director
July
          6, 2005
J.
          Taft Symonds
Director
Hoyt
          Ammidon, Jr.
/s/Paul
          D. Coombs
Executive
          Vice President and Director
July
          6, 2005
Paul
          D. Coombs
Director
Ralph
          S. Cunningham
Director
Tom
          H. Delimitros
/s/Allen
          T. McInnes
Director
July
          6, 2005
Allen
          T. McInnes
/s/Kenneth
          P. Mitchell
Director
July
          6, 2005
Kenneth
          P. Mitchell
/s/Kenneth
          E. White, Jr.
Director
July
          6, 2005
Kenneth
          E. White, Jr.
-8-
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
Bylaws,
          as amended, of the Company (incorporated by reference to Exhibit 3.2
          to the Company's Registration Statement on Form S-1 filed on February
          23, 1990 (SEC File No. 33-33586)).
4.6
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)).
4.7
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)).
4.8
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)).
4.9
Form
          of Certificate of Designation for the Preferred Stock (incorporated
          by reference to Exhibit 4.9 to the Company's Registration Statement
          on Form S-4 filed on May 25, 2004 (SEC File No. 333-115859)).
4.10
Specimen
          Preferred Stock Certificate of the Company (incorporated by reference
          to Exhibit 4.10 to the Company's Registration Statement on Form S-4
          filed on May 25, 2004 (SEC File No. 333-115859)).
4.11
Nonqualified
          Stock Option Agreement between the Company and Stuart M. Brightman,
          dated as of April 20, 2005 (incorporated by reference to Exhibit 10.1
          to the Company's Current Report on Form 8-K filed on April 22, 2005
          (SEC File No. 001-13455)).
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.
24.1
Powers
          of Attorney (included on signature page).
-9-