UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A Current Report Pursuant to Section 13 or 15(d) of the Securities Act of 1934 Date of Report (Date of earliest event reported): September 12, 2007 GEODYNE ENERGY INCOME LIMITED PARTNERSHIP II-A GEODYNE ENERGY INCOME LIMITED PARTNERSHIP II-B GEODYNE ENERGY INCOME LIMITED PARTNERSHIP II-C GEODYNE ENERGY INCOME LIMITED PARTNERSHIP II-D ---------------------------------------------------------------- (Exact name of Registrant as specified in its Charter) II-A: 0-16388 II-A: 73-1295505 II-B: 0-16405 II-B: 73-1303341 II-C: 0-16981 II-C: 73-1308986 Oklahoma II-D: 0-16980 II-D: 73-1329761 - ---------------- ---------------- ------------------- (State or other (Commission (I.R.S. Employer jurisdiction of File Number) Identification No.) incorporation) Two West Second Street, Tulsa, Oklahoma 74103 ---------------------------------------------------------------- (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)) -1- ITEM 2.01. COMPLETION OF ACQUISITION OR DISPOSITION OF ASSETS As described in the Current Report on Form 8-K dated September 18, 2007, the Geodyne Energy Income Limited Partnership II-A, Geodyne Energy Income Limited Partnership II-B, Geodyne Energy Income Limited Partnership II-C, and Geodyne Energy Income Limited Partnership II-D (the "Partnerships") sold their interests in a number of producing properties to independent third parties at The Oil and Gas Clearinghouse auction in Houston, Texas on September 12, 2007. Samson Resources Company, an affiliate of the General Partner, purchased properties from the II-A, II-C, and II-D Partnerships through the competitive bidding process at the auction for total net proceeds of approximately $46,000, $14,000, and $156,000, respectively. The Madsen 1-21 and Madsen 1-9 properties failed to attain the minimum bid set forth at auction, but were sold to the high bidder, Matrix Production Company, on September 25, 2007 following additional negotiations (the "Madsen Sale"). The II-A Partnership owned an interest in the Madsen Sale. The combined net proceeds from the September 12, 2007 auction and the Madsen Sale, including sales to affiliated entities, 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 - ------ ------ ------------ ---------- ------- --------- ---------- ---------- II-A 29 California, 6 156,136 490,345 $3,088,206 $2,859,000 North Dakota, Utah, and Wyoming II-B 19 California, 3 237,858 784,274 5,165,871 4,916,000 Utah,and Wyoming II-C 68 California, 11 102,310 417,932 2,400,781 2,216,000 Montana, North Dakota, Utah, and Wyoming II-D 49 California, 8 77,130 1,124,914 4,238,363 3,512,000 Montana, North Dakota, and Wyoming 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. -2- 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 October 3, 2007. 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 II-A GEODYNE ENERGY INCOME LIMITED PARTNERSHIP II-B GEODYNE ENERGY INCOME LIMITED PARTNERSHIP II-C GEODYNE ENERGY INCOME LIMITED PARTNERSHIP II-D By: GEODYNE RESOURCES, INC. General Partner //s// Dennis R. Neill ----------------------------- Dennis R. Neill President DATE: October 1, 2007 -3-