SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                    FORM 8-K

                                 CURRENT REPORT

   Pursuant to Section 13 or 15(d) of the Securities and Exchange Act of 1934.

                                  May 23, 2008
                                 Date of Report


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


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


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

Registrant's telephone number, including area code         303-295-3995
                                                  ------------------------------

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         (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:

|_| Written communications pursuant to Rule 425 under the Securities Act
|_| Soliciting material pursuant to Rule 14a-12 under the Exchange Act
|_| Pre-commencement communications pursuant to Rule 14d-2(b) under the
    Exchange Act
|_| Pre-commencement communications pursuant to Rule 13e-4(c) under the
    Exchange Act





ITEM 7.01         REGULATION FD DISCLOSURE

On May 23, 2008, Cimarex Energy Co. (NYSE: XEC) issued a press release. A copy
of the news release is furnished as Exhibit 99.1 to this report.


ITEM 9.01         FINANCIAL STATEMENTS AND EXHIBITS

(d)      Exhibits

Exhibit No.     Description

99.1     Press Release is furnished pursuant to Item 7.01.





                                   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.


Dated:   May 23, 2008               By:    /s/ Paul Korus
                                           --------------------------------
                                           Paul Korus, Vice President,
                                           Chief Financial Officer and Treasurer




EXHIBIT INDEX

Exhibit No.             Description
----------              -----------
99.1                    Press Release