SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 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)
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                      FEBRUARY 23, 2004 (FEBRUARY 23, 2004)


                          CHESAPEAKE ENERGY CORPORATION
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             (Exact name of Registrant as specified in its Charter)



    OKLAHOMA                           1-13726                   73-1395733
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(State or other jurisdiction     (Commission File No.)         (IRS Employer
        of incorporation)                                   Identification No.)


 6100 NORTH WESTERN AVENUE, OKLAHOMA CITY, OKLAHOMA                73118
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      (Address of principal executive offices)                   (Zip Code)



                                 (405) 848-8000
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              (Registrant's telephone number, including area code)


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                    INFORMATION TO BE INCLUDED IN THE REPORT


ITEM 9.  REGULATION FD
ITEM 12. DISCLOSURE OF RESULTS OF OPERATIONS AND FINANCIAL CONDITION


         We  issued  a press  release  on  February  23,  2004,  which  includes
information  regarding  our  consolidated  results of  operations  and financial
condition as of and for the quarterly period ended December 31, 2003 and for the
full-year 2003. It also includes  updated  information on our 2004 outlook.  The
text of that press release is attached to this Report as Exhibit 99.1.

         This  information,  including  the exhibit  attached  hereto,  is being
furnished  pursuant  to Item 9 and Item 12 of Form 8-K and  shall  not be deemed
"filed" for purposes of Section 18 of the  Securities  Exchange Act of 1934,  as
amended (the "Exchange  Act"),  or incorporated by reference in any filing under
the  Securities Act of 1933, as amended,  or the Exchange Act,  except as may be
expressly set forth by specific reference therein.

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                                                     SIGNATURE


         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, thereunto duly authorized.

                                             CHESAPEAKE ENERGY CORPORATION


                                     BY:     /S/ AUBREY K. MCCLENDON
                                             ----------------------------------
                                                 AUBREY K. MCCLENDON
                                               Chairman of the Board and
                                                Chief Executive Officer

Dated:        February 23, 2004

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