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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 20pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">UNITED
        STATES</font></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 20pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">SECURITIES
        AND EXCHANGE
        COMMISSION<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;</font></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">WASHINGTON,
        DC
        20549</font></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
        <div style="LINE-HEIGHT: 1.25">&#160;</div>
        <div style="LINE-HEIGHT: 1.25"><font style="DISPLAY: inline; FONT-SIZE: 20pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">FORM
          8-K</font></font></div>
        <div style="LINE-HEIGHT: 1.25">&#160;</div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
        <div style="LINE-HEIGHT: 1.25"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">&#160;<font style="DISPLAY: inline; FONT-WEIGHT: bold">CURRENT
          REPORT
          PURSUANT</font></font></div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">TO
        SECTION 13 OR 15(D) OF
        THE</font></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">SECURITIES
        EXCHANGE ACT OF
        1934</font></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Date
        of
        report (Date of earliest event reported<font style="DISPLAY: inline; FONT-WEIGHT: bold">):&#160; February 5</font><font style="DISPLAY: inline; FONT-WEIGHT: bold"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">,
        2008</font></font></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
        <div style="LINE-HEIGHT: 1.25"><font style="DISPLAY: inline; FONT-SIZE: 20pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">XTO
          ENERGY
          INC.</font></font></div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">(Exact
        Name of Registrant as Specified in Its Charter)</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
        <div style="LINE-HEIGHT: 1.25"><font style="DISPLAY: inline; FONT-SIZE: 14pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">Delaware</font></font></div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">(State
        or
        Other Jurisdiction of Incorporation)</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 270pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div align="center">
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            <tr>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">1-10662</font></font></div>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">75-2347769</font></font></div>
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                  File Number)</font></div>
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              <td valign="top" width="35%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">(IRS
                  Employer Identification No.)</font></div>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
              </td>
              <td valign="top" width="35%"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">&#160;</font></font></td>
            </tr>
            <tr>
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                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold">810
                  Houston,
                  Fort Worth, Texas</font></div>
              </td>
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                  of Principal Executive Offices)</font></div>
              </td>
              <td valign="top" width="35%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">(Zip
                  Code)</font></div>
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        870-2800</font></font></div>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">NONE</font></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">(Former
        Name or Former Address, if Changed Since Last Report)</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">
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        <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Check
          the
          appropriate box below if the Form 8-K filing is intended to simultaneously
          satisfy the filing obligation of the registrant under any of the following
          provisions (<font style="DISPLAY: inline; FONT-STYLE: italic">see </font>General
          Instruction A.2. below):</font></div>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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</font><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Written
          communications pursuant to Rule 425 under the Securities Act (17 CFR
          230.425)</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 12pt;" face="Wingdings">&#168;</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 9pt">&#160;&#160;
</font><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Soliciting
          material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
          240.14a-12)</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 12pt;" face="Wingdings">&#168;</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 9pt">&#160;&#160;
</font><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Pre-commencement
          communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
          240.14d-2(b))</font></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 12pt;" face="Wingdings">&#168;</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 9pt">&#160;
&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Pre-commencement
          communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
          240.13e-4(c))</font></div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br><br>&#160;</div>
      <div>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
            <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="FONT-WEIGHT: normal"><font style="FONT-WEIGHT: bold"><font style="FONT-SIZE: 12pt"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; COLOR: #000000">Item
                1.01.&#160; Entry into a Material Definitive
                Agreement</font></font></font></font></font></div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt; TEXT-ALIGN: justify">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify" align="justify"><font style="FONT-WEIGHT: normal"><font style="FONT-SIZE: 12pt"><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; TEXT-DECORATION: underline">Amendment
                to Revolving Credit Agreement</font>.&#160;&#160;On February 6, 2008, the
                Company, JPMorgan Chase Bank, N.A., as Administrative Agent, and
                a syndicate of
                banks, as lenders, entered into an amendment to the Company&#8217;s Amended and
                Restated 5-Year Revolving Credit Agreement dated as of April 1, 2005,
                as
                amended.&#160;&#160;Material terms of the amendment are described in Item 2.03,
                which is incorporated by reference into this Item 1.01.&#160;&#160;Copies of the
                original agreement and prior amendments to the agreement were previously
                filed
                as exhibits to Forms 10-Q for the quarters ended March 31, 2005,
                March 31, 2006
                and September 30, 2006 and Form 8-K filed March 23,
                2007.</font></font></font></div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt; TEXT-ALIGN: justify">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify" align="justify"><font style="FONT-WEIGHT: normal"><font style="FONT-SIZE: 12pt"><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; TEXT-DECORATION: underline">Amendment
                to Term Loan Agreement</font>.&#160;&#160;By an amendment dated as
                of&#160;February 6, 2008, the Company, <font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">Bank
                of America, N.A., as Administrative Agent</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">,</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">
                and a syndicate of banks, as lenders,</font> entered into an amendment to the
                Company&#8217;s <font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">$300
                million Term Loan Credit Agreement, dated as of </font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">November
                10, 2004</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">,
                as amended</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">.&#160;&#160;</font>Material
                terms of the amendment are described in Item 2.03, which is incorporated
                by
                reference into this Item 1.01.&#160;&#160;Copies of the original agreement and
                prior amendments to the agreement were previously filed as exhibits
                to Form S-4
                dated December 13, 2004, Forms 10-Q for the quarters ended March
                31, 2005 and
                March 31, 2006 and Form 8-K filed March 23, 2007.</font></font></font></div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt; TEXT-ALIGN: justify">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="FONT-WEIGHT: normal"><font style="FONT-WEIGHT: bold"><font style="FONT-SIZE: 12pt"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; COLOR: #000000">Item
                2.03.&#160; </font><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; COLOR: #000000">Creation
                of a Direct Financial Obligation or an Obligation under an Off-Balance
                Sheet
                Arrangement of a Registrant</font></font></font></font></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify" align="justify">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify" align="justify"><font style="FONT-WEIGHT: normal"><font style="FONT-SIZE: 12pt"><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">On
                </font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">February</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">&#160;</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">6</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">,
                200</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">8</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">,
                the Company amended its $</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">2</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">.</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">0
                </font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">billion
                5-year Revolving Credit Agreement with JPMorgan Chase Bank, N.A.,
                as
                Administrative Agent and a syndicate of banks, as lenders</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">,</font>
                dated as of April 1, 2005, as amended<font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">.&#160;&#160;The
                facility will be used by the Company as a backup facility for commercial
                paper
                and for general corporate purposes.&#160;&#160;As of </font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">February
                6</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">,
                200</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">8</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">,
                the Company had </font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">no
                </font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">borrowings
                drawn on the facility.</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">&#160;</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">The
                amount available under the facility is reduced by the amount of commercial
                paper
                the Company has outstanding from time to time.&#160;&#160;</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">The
                amendment increased the total commitments of the agreement from $</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">2.0</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">
                billion to $2</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">.5</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">
                billion and permits commitment increases of up to </font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">an
                additional </font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">$1
                billion</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">
                by the Company with the approval of the administrative agent.</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">&#160;</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">The
                amendment also</font> extended the maturity date one year to April 1,
                2013.</font></font></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify" align="justify">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify" align="justify"><font style="FONT-WEIGHT: normal"><font style="FONT-SIZE: 12pt"><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">By
                an amendment dated as of </font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">February
                6, 2008</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">,
                the Company amended its $300 million Term Loan Agreement with Bank
                of America,
                N.A., as Administrative Agent, and a syndicate of banks, as lenders,
                dated as of
</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">November
                10, 2004</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">,
                as amended.&#160;&#160;The proceeds will be used by the Company for general
                corporate purposes.&#160;&#160;As of </font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">February
                6, 2008</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">,
                the Company had borrowings of $300 million under the agreement.</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">&#160;</font><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 12pt; COLOR: #000000">The
                amendment increased the total commitments of the agreement from $300
                million to
                $500 million and extended the </font>maturity date one year to April 1,
                2013.</font></font></font></div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt; TEXT-ALIGN: justify">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify" align="justify"><font style="FONT-WEIGHT: normal"><font style="FONT-WEIGHT: bold"><font style="FONT-SIZE: 12pt"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">Item
                8.01.&#160; Other Events</font></font></font></font></div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt; TEXT-ALIGN: justify">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify" align="left"><font style="FONT-WEIGHT: normal"><font style="DISPLAY: inline; FONT-WEIGHT: normal; FONT-SIZE: 10pt; FONT-FAMILY: times new roman"><font style="FONT-SIZE: 12pt">On
                February 5, 2008, the Company entered into a new
                five-year unsecured term loan agreement with The Royal Bank of Scotland
                Finance
                (Ireland), as the lender, that provides for a maximum loan amount
                of $100
                million available in a single advance and a maturity date of February
                5,
                2013.&#160;&#160;The new term loan agreement contains substantially the same
                terms and conditions as the Term Loan Agreement </font><font style="DISPLAY: inline; FONT-WEIGHT: normal; COLOR: #000000"><font style="FONT-SIZE: 12pt">with
                Bank of America, N.A., as described above in Items
                1.01 and 2.03.&#160;&#160;The proceeds will be used by the Company for general
                corporate purposes</font>.</font></font></font></div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt; TEXT-ALIGN: justify" align="left">&#160;</div>
            </div>
            <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">
              <div id="FTR" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">
                <div id="GLFTR" style="WIDTH: 100%" align="left">
                </div>
              </div>
              <div id="PN" style="PAGE-BREAK-AFTER: always">
                <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">2</font></div>
                <div style="WIDTH: 100%; TEXT-ALIGN: center">
                  <hr style="COLOR: black" noshade size="2">
                </div>
              </div>
              <div id="HDR">
                <div id="GLHDR" style="WIDTH: 100%" align="right">
                </div>
              </div>
            </div>
          </div>
          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
            <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
              <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">
                <div id="FTR" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-WEIGHT: bold">SIGNATURES</font></font></div>
              </div>
            </div>
          </div>
        </div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman">Pursuant
        to the requirements of the Securities Exchange Act of 1934, the registrant
        has
        duly caused this report to be signed on its behalf by the undersigned hereunto
        duly authorized.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><br></div>
      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">
        <table cellpadding="0" cellspacing="0" width="100%">

            <tr>
              <td align="left" valign="top" width="37%">
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
              </td>
              <td align="left" colspan="2" valign="top" width="37%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">XTO
                  ENERGY INC.</font></div>
              </td>
            </tr>
            <tr>
              <td align="left" valign="top" width="37%"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td align="left" valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td align="left" valign="top" width="35%"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
            </tr>
            <tr>
              <td align="left" valign="top" width="37%"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;Date:&#160;&#160;February
                7, 2008</font></td>
              <td align="left" valign="top" width="2%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">By:</font></div>
              </td>
              <td valign="top" width="35%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman"><font style="DISPLAY: inline; TEXT-DECORATION: underline">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
                  /s/ </font><font style="DISPLAY: inline; TEXT-DECORATION: underline">BENNIE
                  G.
                  KNIFFEN&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></font></div>
              </td>
            </tr>
            <tr>
              <td align="left" valign="top" width="37%"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td align="left" valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td valign="top" width="35%">
                <div style="DISPLAY: block; MARGIN-LEFT: 90pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">Bennie
                  G. Kniffen</font></div>
              </td>
            </tr>
            <tr>
              <td align="left" valign="top" width="37%"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td align="left" valign="top" width="2%"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">&#160;</font></td>
              <td valign="top" width="35%">
                <div style="DISPLAY: block; MARGIN-LEFT: 54pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: times new roman">Senior
                  Vice President and Controller</font></div>
              </td>
            </tr>

        </table>
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form_8k.htm
UNITED
        STATES
SECURITIES
        AND EXCHANGE
        COMMISSION
WASHINGTON,
        DC
        20549
FORM
          8-K
CURRENT
          REPORT
          PURSUANT
TO
        SECTION 13 OR 15(D) OF
        THE
SECURITIES
        EXCHANGE ACT OF
        1934
Date
        of
        report (Date of earliest event reported
):  February 5
,
        2008
XTO
          ENERGY
          INC.
(Exact
        Name of Registrant as Specified in Its Charter)
Delaware
(State
        or
        Other Jurisdiction of Incorporation)
1-10662
75-2347769
(Commission
                  File Number)
(IRS
                  Employer Identification No.)
810
                  Houston,
                  Fort Worth, Texas
76102
(Address
                  of Principal Executive Offices)
(Zip
                  Code)
(817)
        870-2800
(Registrant's
        Telephone Number, Including Area Code)
NONE
(Former
        Name or Former Address, if Changed Since Last Report)
Check
          the
          appropriate box below if the Form 8-K filing is intended to simultaneously
          satisfy the filing obligation of the registrant under any of the following
          provisions (
see
General
          Instruction A.2. below):
¨
Written
          communications pursuant to Rule 425 under the Securities Act (17 CFR
          230.425)
¨
Soliciting
          material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
          240.14a-12)
¨
Pre-commencement
          communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
          240.14d-2(b))
¨
Pre-commencement
          communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
          240.13e-4(c))
Item
                1.01.  Entry into a Material Definitive
                Agreement
Amendment
                to Revolving Credit Agreement
.  On February 6, 2008, the
                Company, JPMorgan Chase Bank, N.A., as Administrative Agent, and
                a syndicate of
                banks, as lenders, entered into an amendment to the Company's Amended and
                Restated 5-Year Revolving Credit Agreement dated as of April 1, 2005,
                as
                amended.  Material terms of the amendment are described in Item 2.03,
                which is incorporated by reference into this Item 1.01.  Copies of the
                original agreement and prior amendments to the agreement were previously
                filed
                as exhibits to Forms 10-Q for the quarters ended March 31, 2005,
                March 31, 2006
                and September 30, 2006 and Form 8-K filed March 23,
                2007.
Amendment
                to Term Loan Agreement
.  By an amendment dated as
                of February 6, 2008, the Company,
Bank
                of America, N.A., as Administrative Agent
,
and a syndicate of banks, as lenders,
entered into an amendment to the
                Company's
$300
                million Term Loan Credit Agreement, dated as of
November
                10, 2004
,
                as amended
.
Material
                terms of the amendment are described in Item 2.03, which is incorporated
                by
                reference into this Item 1.01.  Copies of the original agreement and
                prior amendments to the agreement were previously filed as exhibits
                to Form S-4
                dated December 13, 2004, Forms 10-Q for the quarters ended March
                31, 2005 and
                March 31, 2006 and Form 8-K filed March 23, 2007.
Item
                2.03.
Creation
                of a Direct Financial Obligation or an Obligation under an Off-Balance
                Sheet
                Arrangement of a Registrant
On
February
6
,
                200
8
,
                the Company amended its $
2
.
0
billion
                5-year Revolving Credit Agreement with JPMorgan Chase Bank, N.A.,
                as
                Administrative Agent and a syndicate of banks, as lenders
,
dated as of April 1, 2005, as amended
.  The
                facility will be used by the Company as a backup facility for commercial
                paper
                and for general corporate purposes.  As of
February
                6
,
                200
8
,
                the Company had
no
borrowings
                drawn on the facility.
The
                amount available under the facility is reduced by the amount of commercial
                paper
                the Company has outstanding from time to time.
The
                amendment increased the total commitments of the agreement from $
2.0
billion to $2
.5
billion and permits commitment increases of up to
an
                additional
$1
                billion
by the Company with the approval of the administrative agent.
The
                amendment also
extended the maturity date one year to April 1,
                2013.
By
                an amendment dated as of
February
                6, 2008
,
                the Company amended its $300 million Term Loan Agreement with Bank
                of America,
                N.A., as Administrative Agent, and a syndicate of banks, as lenders,
                dated as of
November
                10, 2004
,
                as amended.  The proceeds will be used by the Company for general
                corporate purposes.  As of
February
                6, 2008
,
                the Company had borrowings of $300 million under the agreement.
The
                amendment increased the total commitments of the agreement from $300
                million to
                $500 million and extended the
maturity date one year to April 1,
                2013.
Item
                8.01.  Other Events
On
                February 5, 2008, the Company entered into a new
                five-year unsecured term loan agreement with The Royal Bank of Scotland
                Finance
                (Ireland), as the lender, that provides for a maximum loan amount
                of $100
                million available in a single advance and a maturity date of February
                5,
                2013.  The new term loan agreement contains substantially the same
                terms and conditions as the Term Loan Agreement
with
                Bank of America, N.A., as described above in Items
                1.01 and 2.03.  The proceeds will be used by the Company for general
                corporate purposes
.
2
SIGNATURES
Pursuant
        to the requirements of the Securities Exchange Act of 1934, the registrant
        has
        duly caused this report to be signed on its behalf by the undersigned hereunto
        duly authorized.
XTO
                  ENERGY INC.
Date:  February
                7, 2008
By:
/s/
BENNIE
                  G.
                  KNIFFEN
Bennie
                  G. Kniffen
Senior
                  Vice President and Controller
3