SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 8-K

[X]   Current report pursuant to Section 13 or 15(d) of the Securities and
      ExchangeAct of 1934.

                                November 3, 2004
                                 Date of Report
                        (Date of earliest event reported)

                               CIMAREX ENERGY CO.
             (Exact name of registrant as specified in its charter)

            Delaware                     001-31446                45-0466694
(State or other jurisdiction of         (Commission            (I.R.S. Employer
         incorporation)                 File Number)         Identification No.)

                         1700 Lincoln Street, Suite 1800
                           Denver, Colorado 80203-4518
                    (Address of principal executive offices)

                         Telephone Number (303) 295-3995
                         (Registrant's telephone number)

                                 Not applicable
                            (Former name and address)

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 2.02 RESULTS OF OPERATIONS AND FINANCIAL CONDITION

The following information is furnished pursuant to Item 9 "Regulation FD
Disclosure" and Item 12 "Results of Operations and Financial Condition."

On November 3, 2004, Cimarex Energy Co. (NYSE XEC) issued a news release
reporting its results for the third quarter of 2004. A copy of the news release
is furnished as Exhibit 99.1 to this report.



                                   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.

                                            CIMAREX ENERGY CO.

                                            By: /s/ Paul Korus
                                                --------------------------------
                                                Vice President, Chief Financial
Dated: November 3, 2004                         Officer, Treasurer and Secretary



EXHIBIT INDEX

Exhibit No.       Description
-----------       -----------

99.1              Press Release dated November 3, 2004