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): December 7, 1999



                             PYR Energy Corporation
              ----------------------------------------------------
             (Exact name of registrant as specified in its charter)



          Delaware                    0-20879                    95-4580642
          --------                    -------                    ----------
(State or other jurisdiction      (Commission File             (IRS Employer
 of incorporation)                   Number)                 Identification No.)



                1675 Broadway, Suite 1150, Denver, Colorado 80202
                -------------------------------------------------
               (Address of principal executive offices) (Zip Code)



        Registrant's telephone number, including area code (303) 825-3748
                                                            -------------



<PAGE>


Item 5. Other Events.
        -------------

     Press  Releases.  The press  releases of the  Registrant  dated December 7,
1999,  which  are  filed  as an  exhibit  hereto,  are  incorporated  herein  by
reference.

Item 7.  Financial Statements And Exhibits.
         ----------------------------------

     (c) Exhibits.

                                  Exhibit Index
                                  -------------

Exhibit
Number   Description
------   -----------

99.1     Press releases dated December 7, 1999.



                                    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.


Date:  December 13, 1999                    PYR ENERGY CORPORATION



                                            By:  /s/ Andrew P. Calerich
                                                 -------------------------------
                                                 Andrew P. Calerich
                                                 Chief Financial Officer
[{"type": "8-K", "sequence": "1", "description": "FORM 8-K", "secsgml_size_bytes": 2346}]
{"company-data": {"conformed-name": "PYR ENERGY CORP", "cik": "0001016289", "assigned-sic": "1311", "irs-number": "954580642", "state-of-incorporation": "DE", "fiscal-year-end": "0831"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-15511", "film-number": "99773387"}, "business-address": {"street1": "1675 BROADWAY", "street2": "STE 1150", "city": "DENVER", "state": "CO", "zip": "80202", "phone": "3038253748"}, "mail-address": {"street1": "17337 VENTURA BOULEVARD", "street2": "SUITE 224", "city": "ENCINO", "state": "CA", "zip": "91316"}, "former-company": {"former-conformed-name": "MAR VENTURES INC", "date-changed": "19960606"}}
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): December 7, 1999

                             PYR Energy Corporation
              ----------------------------------------------------
             (Exact name of registrant as specified in its charter)

          Delaware                    0-20879                    95-4580642
          --------                    -------                    ----------
(State or other jurisdiction      (Commission File             (IRS Employer
 of incorporation)                   Number)                 Identification No.)

                1675 Broadway, Suite 1150, Denver, Colorado 80202
                -------------------------------------------------
               (Address of principal executive offices) (Zip Code)

        Registrant's telephone number, including area code (303) 825-3748
                                                            -------------
Item 5. Other Events.
        -------------

     Press  Releases.  The press  releases of the  Registrant  dated December 7,
1999,  which  are  filed  as an  exhibit  hereto,  are  incorporated  herein  by
reference.

Item 7.  Financial Statements And Exhibits.
         ----------------------------------

     (c) Exhibits.

                                  Exhibit Index
                                  -------------

Exhibit
Number   Description
------   -----------

99.1     Press releases dated December 7, 1999.

                                    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.

Date:  December 13, 1999                    PYR ENERGY CORPORATION

                                            By:  /s/ Andrew P. Calerich
                                                 -------------------------------
                                                 Andrew P. Calerich
                                                 Chief Financial Officer