UNITED STATES
                       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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                        OCTOBER 6, 2004 (OCTOBER 4, 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)


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 230.1425)

[_] 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))

SECTION 8- OTHER EVENTS ITEM 8.01 - OTHER EVENTS On October 4, 2004, Chesapeake Energy Corporation issued a press release announcing the date it will issue its third quarter 2004 earnings release and providing information about accessing the related conference call. This press release is attached as Exhibit 99.1. ITEM 9.01 - EXHIBITS (c) Exhibits EXHIBIT NO. DOCUMENT DESCRIPTION ----------- -------------------- 99.1 Press Release dated October 4, 2004 2

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 hereunto duly authorized. CHESAPEAKE ENERGY CORPORATION By: /S/ AUBREY K. MCCLENDON ------------------------------------ Aubrey K. McClendon Chairman of the Board and Chief Executive Officer Date: October 6, 2004 3

EXHIBIT INDEX EXHIBIT NO. DOCUMENT DESCRIPTION ----------- -------------------- 99.1 Press Release dated October 4, 2004 4

                                                                     EXHIBT 99.1
                                                                     -----------


                     CHESAPEAKE ENERGY CORPORATION ANNOUNCES
                       THIRD QUARTER 2004 EARNINGS RELEASE
                               AND CONFERENCE CALL


OKLAHOMA  CITY,  OKLAHOMA,  OCTOBER  4,  2004 -  Chesapeake  Energy  Corporation
(NYSE:CHK)  has scheduled  its third quarter 2004 earnings  release to be issued
after the close of trading on the New York Stock Exchange on Monday, November 1,
2004.

A conference call is scheduled for Tuesday morning, November 2 at 9:00 am EST to
discuss the  release.  The  telephone  number to access the  conference  call is
913.981.5520.  We encourage  those who would like to  participate in the call to
place your calls between 8:50 and 9:00 am EST.

For  those  unable to  participate  in the  conference  call,  a replay  will be
available  for audio  playback at 12:00 pm EST on Tuesday,  November 2, 2004 and
will run through  midnight  Monday,  November 15, 2004. The number to access the
conference call replay is 719.457.0820; passcode for the replay is 840912.

The  conference  call will also be  simulcast  live on the  Internet  and can be
accessed by going directly to the Chesapeake  website at  WWW.CHKENERGY.COM  and
selecting "Conference Calls" under the "Investor Relations" section. The webcast
of the conference call will be available on our website indefinitely.


CHESAPEAKE ENERGY CORPORATION IS ONE OF THE FIVE LARGEST  INDEPENDENT  PRODUCERS
OF  NATURAL  GAS IN THE U.S.  HEADQUARTERED  IN  OKLAHOMA  CITY,  THE  COMPANY'S
OPERATIONS ARE FOCUSED ON EXPLORATORY AND  DEVELOPMENTAL  DRILLING AND PRODUCING
PROPERTY  ACQUISITIONS IN THE  MID-CONTINENT,  PERMIAN BASIN, SOUTH TEXAS, TEXAS
GULF COAST AND ARK-LA-TEX  REGIONS OF THE UNITED STATES.  THE COMPANY'S INTERNET
ADDRESS IS WWW.CHKENERGY.COM.