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 Act of 1934

Date of Report (Date of earliest event reported): August 8, 2007

                 GEODYNE ENERGY INCOME LIMITED PARTNERSHIP III-C
                 GEODYNE ENERGY INCOME LIMITED PARTNERSHIP III-D
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             (Exact name of Registrant as specified in its Charter)

                        III-C: 0-18634          III-C: 73-1356542
   Oklahoma             III-D: 0-18936          III-D: 73-1357374
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(State or other          (Commission            (I.R.S. Employer
 jurisdiction of         File Number)          Identification No.)
 incorporation)

                  Two West Second Street, Tulsa, Oklahoma 74103
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               (Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (918) 583-1791

      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 (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))

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ITEM 2.01.  COMPLETION OF ACQUISITION OR DISPOSITION OF ASSETS

      On August 8, 2007, the Geodyne Energy Income Limited Partnership III-C and
Geodyne Energy Income Limited Partnership III-D (the  "Partnerships") sold their
interests in a number of producing  properties to  independent  third parties at
The Oil and Gas Asset Clearinghouse auction in Houston,  Texas. Samson Resources
Company,  an affiliate of the General  Partner,  purchased  properties  from the
III-C and III-D  Partnerships  through the  competitive  bidding  process at the
auction  for  total  net   proceeds  of   approximately   $16,000  and  $13,000,
respectively.  In  addition,  Samson Lone Star,  LLC,  another  affiliate of the
General Partner,  purchased properties located in Texas from the III-C and III-D
Partnerships  through the same  competitive  bidding  process at the auction for
total net proceeds of approximately $768,000 and $634,000,  respectively.  Total
net proceeds,  including  sales to affiliated  entities,  for the auction are as
described below:

                                         Reserves
       Number                             Sold as         Reserve
          of   Location    Number       of 12/31/06        Value
        Wells     of         of         Oil     Gas         Sold        Net
P/ship  Sold  Properties Purchasers   (Bbls)   (Mcf)      12/31/06    Proceeds
- ------ ------ ---------- ----------   ------- --------   ----------  ----------

 III-C   29   New Mexico      4       14,358   311,828     $716,321    $849,000
              and Texas

 III-D   29   New Mexico      4       11,856   257,363      591,387     657,000
              and Texas

      The transactions are subject to standard auction closing conditions.

      The proceeds from the sales,  less transaction  costs, will be included in
the November 15, 2007 cash distributions paid by the Partnerships.

        This  sale  was  in  conjunction   with  the   Partnerships'   scheduled
termination on December 31, 2007. All of the  Partnerships'  properties  will be
sold as part of the liquidation  process.  It is anticipated  that auction sales
will continue through at least early 2008.

ITEM 9.01.  FINANCIAL STATEMENTS AND EXHIBITS

      The pro forma  financial  information  that would be required  pursuant to
Article 11 of  Regulation  S-X will be filed by amendment to this Form 8-K on or
before August 29, 2007.

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                                   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.


                                    GEODYNE ENERGY INCOME LIMITED
                                      PARTNERSHIP III-C
                                    GEODYNE ENERGY INCOME LIMITED
                                      PARTNERSHIP III-D

                                    By:  GEODYNE RESOURCES, INC.
                                         General Partner

                                        //s// Dennis R. Neill
                                    -----------------------------
                                    Dennis R. Neill
                                    President

DATE: August 14, 2007


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