| 656747 | Mar 14, 2008 | Mar 14, 2008 | Headington Oil Company, L.P. | Kenedy | East, Mrs. S.K. #206 | 18,000 | 26131474 |
| 652901 | Jan 17, 2008 | Jan 17, 2008 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G. Jr. "E" #63 | 13,000 | 26131469 |
| 649946 | Nov 29, 2007 | Nov 29, 2007 | Headington Oil Company, L.P. | Kenedy | East, S. K., Mrs. #204 | 14,500 | 26131462 |
| 649083 | Nov 12, 2007 | Nov 12, 2007 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #14 | 11,000 | 26131461 |
| 646355 | Sep 24, 2007 | Sep 24, 2007 | Headington Oil Company, L.P. | Kenedy | John G. Kenedy, Jr. "E" #62 | 12,500 | 26131457 |
| 645545 | Sep 6, 2007 | Sep 6, 2007 | Headington Oil Company, L.P. | Kenedy | East, S. K., Mrs. #203 | 11,000 | 26131453 |
| 644646 | Aug 20, 2007 | Aug 20, 2007 | Headington Oil Company, L.P. | Kenedy | East, Mrs. S.K. #202 | 9,600 | 26131452 |
| 644529 | Aug 17, 2007 | Aug 17, 2007 | Headington Oil Company, L.P. | Kenedy | East, S. K., Mrs. #201 | 7,000 | 26131451 |
| 643574 | Aug 8, 2007 | Aug 8, 2007 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G. Jr. "C" #38 | 13,000 | 26131431 |
| 641213 | Jul 5, 2007 | Jul 5, 2007 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G., Jr. "E" #61 | 15,000 | 26131444 |
| 638761 | May 17, 2007 | May 17, 2007 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin "A" #1 | 12,000 | 26131440 |
| 638207 | May 10, 2007 | May 10, 2007 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G. Jr., "E" #60 | 13,000 | 26131439 |
| 634339 | Mar 7, 2007 | Mar 7, 2007 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G., Jr. "T" #1 | 21,000 | 26131436 |
| 630513 | Dec 14, 2006 | Dec 14, 2006 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G. Jr. "C" #38 | 16,000 | 26131431 |
| 630513Amendment | Dec 14, 2006 | Dec 14, 2006 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G. Jr. "C" #38 | 16,000 | 26131431 |
| 628009 | Oct 24, 2006 | Oct 24, 2006 | Headington Oil Company, L.P. | Kenedy | Tobin Armstrong #12 | 11,000 | 26131425 |
| 625769 | Sep 12, 2006 | Sep 12, 2006 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G. Jr. "J" #46 | 19,000 | 26131422 |
| 624155 | Aug 10, 2006 | Aug 10, 2006 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G. Jr. "E" #59 | 13,500 | 26131416 |
| 621732 | Jun 29, 2006 | Jun 29, 2006 | Headington Oil Company, L.P. | Kenedy | John G. Kenedy, Jr. "J" #45 | 14,500 | 26131414 |
| 618818 | May 8, 2006 | May 8, 2006 | Headington Oil Company, L.P. | Kenedy | John G. Kenedy, Jr. "E" #58 | 14,000 | 26131408 |
| 616674 | Apr 3, 2006 | Apr 3, 2006 | Headington Oil Company, L.P. | Starr | Murch, B. L. #11 | 11,000 | 42733490 |
| 615506 | Mar 9, 2006 | Mar 9, 2006 | Headington Oil Company, L.P. | Hidalgo | Bentsen Brothers "B" #15 | 7,000 | 21533454 |
| 615309 | Mar 6, 2006 | Mar 6, 2006 | Headington Oil Company, L.P. | Starr | Simpson #1 | 12,250 | 42733947 |
| 614674 | Feb 22, 2006 | Feb 22, 2006 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #11 | 14,000 | 26131402 |
| 611917 | Jan 5, 2006 | Jan 5, 2006 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G. Jr. "J" #44 | 17,500 | 26131398 |
| 610787 | Dec 9, 2005 | Dec 9, 2005 | Headington Oil Company, L.P. | Hidalgo | Jackson, W.R. Ranch #2 | 12,000 | 21533412 |
| 609761 | Nov 21, 2005 | Nov 21, 2005 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G., Jr. "J" #43 | 15,000 | 26131393 |
| 608223 | Oct 20, 2005 | Oct 20, 2005 | Headington Oil Company, L.P. | Kleberg | King Ranch Minerals #3 | 15,000 | 27332441 |
| 606750 | Sep 21, 2005 | Sep 21, 2005 | Headington Oil Company, L.P. | Kleberg | King Ranch Minerals #4 | 15,000 | 27332437 |
| 605741 | Sep 1, 2005 | Sep 1, 2005 | Headington Oil Company, L.P. | Hidalgo | Bentsen Brothers #12 | 6,670 | 21531730 |
| 604603 | Aug 9, 2005 | Aug 9, 2005 | Headington Oil Company, L.P. | Cherokee | New Birmingham Gas Unit 2 #3 | 10,950 | 07330892 |
| 604170 | Jul 29, 2005 | Jul 29, 2005 | Headington Oil Company, L.P. | Kleberg | Shaw #1 | 15,000 | 27332431 |
| 602039 | Jun 14, 2005 | Jun 14, 2005 | Headington Oil Company, L.P. | Kleberg | King Ranch Minerals #2 | 17,000 | 27332430 |
| 602039Amendment | Jun 14, 2005 | Jun 14, 2005 | Headington Oil Company, L.P. | Kleberg | King Ranch Minerals #2 | 17,000 | 27332430 |
| 602039Amendment | Jun 14, 2005 | Jun 14, 2005 | Headington Oil Company, L.P. | Kleberg | King Ranch Minerals #2 | 17,000 | 27332430 |
| 560496 | May 2, 2005 | May 2, 2005 | Headington Oil Company, L.P. | Wharton | Goff, E. G. #2 | 5,500 | 48134759 |
| 559722 | Mar 30, 2005 | Mar 30, 2005 | Headington Oil Company, L.P. | Hidalgo | W. R. Jackson Ranch #1 | 12,000 | 21533327 |
| 559722Amendment | Mar 30, 2005 | Mar 30, 2005 | Headington Oil Company, L.P. | Hidalgo | W. R. Jackson Ranch #1 | 12,000 | 21533327 |
| 559441 | Mar 23, 2005 | Mar 23, 2005 | Headington Oil Company, L.P. | Kleberg | King Ranch Minerals #1 | 15,500 | 27332427 |
| 559441Amendment | Mar 23, 2005 | Mar 23, 2005 | Headington Oil Company, L.P. | Kleberg | King Ranch Minerals #1 | 15,500 | 27332427 |
| 557201 | Feb 3, 2005 | Feb 3, 2005 | Headington Oil Company, L.P. | Kenedy | Kenedy, Jr., John G. "J" #42 | 14,500 | 26131380 |
| 556965 | Feb 1, 2005 | Feb 1, 2005 | Headington Oil Company, L.P. | Hidalgo | Bentsen Brothers #11 | 6,504 | 21531582 |
| 555157 | Dec 21, 2004 | Dec 21, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #10 | 10,500 | 26131378 |
| 555157Amendment | Dec 21, 2004 | Dec 21, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #10 | 10,500 | 26131378 |
| 554965 | Dec 16, 2004 | Dec 16, 2004 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G., Jr "J" #34 | 14,500 | 26131377 |
| 554823 | Dec 14, 2004 | Dec 14, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #9 | 10,500 | 26131376 |
| 554823Amendment | Dec 14, 2004 | Dec 14, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #9 | 10,500 | 26131376 |
| 554427 | Dec 6, 2004 | Dec 6, 2004 | Headington Oil Company, L.P. | Hidalgo | Bentsen Brothers "B" #14 | 7,000 | 21533282 |
| 553690 | Nov 16, 2004 | Nov 16, 2004 | Headington Oil Company, L.P. | Jim Hogg | East, T. T. "A" #6 | 6,000 | 24732292 |
| 550550 | Sep 7, 2004 | Sep 7, 2004 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G., Jr "J" #41 | 19,000 | 26131373 |
| 547769 | Jul 2, 2004 | Jul 2, 2004 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G. Jr. "J" #40 | 19,000 | 26131369 |
| 545935 | May 20, 2004 | May 20, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #7 | 10,500 | 26131365 |
| 545935Amendment | May 20, 2004 | May 20, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #7 | 10,500 | 26131365 |
| 545711 | May 14, 2004 | May 14, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #8 | 7,300 | 26131363 |
| 545402 | May 6, 2004 | May 6, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #5 | 10,500 | 26131361 |
| 545402Amendment | May 6, 2004 | May 6, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #5 | 10,500 | 26131361 |
| 544873 | Apr 23, 2004 | Apr 23, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #6 | 10,500 | 26131359 |
| 544873Amendment | Apr 23, 2004 | Apr 23, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #6 | 10,500 | 26131359 |
| 544159 | Apr 6, 2004 | Apr 6, 2004 | Headington Oil Company, L.P. | Kenedy | Armstong, Tobin #4 | 10,500 | 26131357 |
| 544010 | Apr 2, 2004 | Apr 2, 2004 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G., Jr. "J" #39 | 18,500 | 26131355 |
| 542775 | Mar 3, 2004 | Mar 3, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #3 | 10,500 | 26131350 |
| 542011 | Feb 13, 2004 | Feb 13, 2004 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #2 | 10,500 | 26131349 |
| 540990 | Jan 21, 2004 | Jan 21, 2004 | Headington Oil Company, L.P. | Kenedy | John G. Kenedy, Jr. "J" #38 | 18,500 | 26131347 |
| 540602 | Jan 13, 2004 | Jan 13, 2004 | Headington Oil Company, L.P. | Hidalgo | Murch, B. L. #22 | 12,500 | 21533175 |
| 540275 | Dec 31, 2003 | Dec 31, 2003 | Headington Oil Company, L.P. | Starr | Murch, B. L. #26 | 5,000 | 42733698 |
| 540101 | Dec 23, 2003 | Dec 23, 2003 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G. Jr. "J" #37 | 16,000 | 26131343 |
| 539856 | Dec 17, 2003 | Dec 17, 2003 | Headington Oil Company, L.P. | Starr | Murch, B. L. #23 | 12,500 | 42733687 |
| 537559 | Oct 15, 2003 | Oct 15, 2003 | Headington Oil Company, L.P. | Wharton | Goff, E. G."a" #1 | 15,000 | 48134579 |
| 537559Amendment | Oct 15, 2003 | Oct 15, 2003 | Headington Oil Company, L.P. | Wharton | Goff, E. G."a" #1 | 15,000 | 48134579 |
| 537001 | Sep 30, 2003 | Sep 30, 2003 | Headington Oil Company, L.P. | Live Oak | Edward Chandler Gas Unit #2 | 5,500 | 29734529 |
| 536895 | Sep 26, 2003 | Sep 26, 2003 | Headington Oil Company, L.P. | Hidalgo | Murch, B.L. #20 | 13,000 | 21533146 |
| 536894 | Sep 26, 2003 | Sep 26, 2003 | Headington Oil Company, L.P. | Hidalgo | Murch, B.L. #21 | 14,000 | 21533145 |
| 535696 | Aug 22, 2003 | Aug 22, 2003 | Headington Oil Company, L.P. | Kenedy | Armstrong, Tobin #1 | 14,000 | 26131333 |
| 535034 | Aug 6, 2003 | Aug 6, 2003 | Headington Oil Company, L.P. | Starr | Murch, B. L. #17 | 12,000 | 42733645 |
| 535034Amendment | Aug 6, 2003 | Aug 6, 2003 | Headington Oil Company, L.P. | Starr | Murch, B. L. #17 | 12,000 | 42733645 |
| 534363 | Jul 18, 2003 | Jul 18, 2003 | Headington Oil Company, L.P. | Kenedy | John G. Kenedy, Jr. "J" #36 | 19,000 | 26131330 |
| 534258 | Jul 16, 2003 | Jul 16, 2003 | Headington Oil Company, L.P. | Kenedy | John G. Kenedy, Jr. "E" #57 | 15,000 | 26131329 |
| 533886 | Jul 7, 2003 | Jul 7, 2003 | Headington Oil Company, L.P. | Hidalgo | Murch, B. L. #19 | 9,500 | 21533121 |
| 533886Amendment | Jul 7, 2003 | Jul 7, 2003 | Headington Oil Company, L.P. | Hidalgo | Murch, B. L. #19 | 12,000 | 21533121 |
| 533122 | Jun 13, 2003 | Jun 13, 2003 | Headington Oil Company, L.P. | Live Oak | Edward Chandler Gas Unit #1 | 5,500 | 29734518 |
| 531803 | May 9, 2003 | May 9, 2003 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G., Jr. "F" #5 | 14,500 | 26131322 |
| 531803Amendment | May 9, 2003 | May 9, 2003 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G., Jr. "F" #5 | 14,500 | 26131322 |
| 531015 | Apr 22, 2003 | Apr 22, 2003 | Headington Oil Company, L.P. | Starr | Murch, B.L. #18 | 10,000 | 42733607 |
| 529888 | Mar 25, 2003 | Mar 25, 2003 | Headington Oil Company, L.P. | Starr | Murch, B. L. #16 | 12,000 | 21533108 |
| 529888Amendment | Mar 25, 2003 | Mar 25, 2003 | Headington Oil Company, L.P. | Hidalgo | Murch, B. L. #16 | 12,000 | 21533108 |
| 529888Amendment | Mar 25, 2003 | Mar 25, 2003 | Headington Oil Company, L.P. | Hidalgo | Murch, B. L. #16 | 13,500 | 21533108 |
| 529888Amendment | Mar 25, 2003 | Mar 25, 2003 | Headington Oil Company, L.P. | Hidalgo | Murch, B. L. #16 | 13,500 | 21533108 |
| 529888Amendment | Mar 25, 2003 | Mar 25, 2003 | Headington Oil Company, L.P. | Hidalgo | Murch, B. L. #16 | 13,500 | 21533108 |
| 529884 | Mar 25, 2003 | Mar 25, 2003 | Headington Oil Company, L.P. | Starr | Murch, B. L. #15 | 10,000 | 42733600 |
| 529853 | Mar 24, 2003 | Mar 24, 2003 | Headington Oil Company, L.P. | Wharton | Goff, E. G. #1 | 15,000 | 48134528 |
| 528812 | Feb 26, 2003 | Feb 26, 2003 | Headington Oil Company, L.P. | Starr | Murch, B. L. #14 | 10,000 | 42733587 |
| 527923 | Feb 3, 2003 | Feb 3, 2003 | Headington Oil Company, L.P. | Kenedy | Risken, Carl F. #6 | 18,000 | 26131312 |
| 527923Amendment | Feb 3, 2003 | Feb 3, 2003 | Headington Oil Company, L.P. | Kenedy | Risken, Carl F. #6 | 18,000 | 26131312 |
| 525731 | Nov 20, 2002 | Nov 20, 2002 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G, Jr. " J " #35 | 16,000 | 26131307 |
| 525027 | Oct 29, 2002 | Oct 29, 2002 | Headington Oil Company, L.P. | Starr | Murch, B. L. #13 | 5,500 | 42733550 |
| 525027Amendment | Oct 29, 2002 | Oct 29, 2002 | Headington Oil Company, L.P. | Starr | Murch, B. L. #13 | 6,000 | 42733550 |
| 523423 | Sep 5, 2002 | Sep 5, 2002 | Headington Oil Company, L.P. | Kenedy | Risken, Carl F. #5 | 15,000 | 26131302 |
| 523423Amendment | Sep 5, 2002 | Sep 5, 2002 | Headington Oil Company, L.P. | Kenedy | Risken, Carl F. #5 | 15,000 | 26131302 |
| 523102 | Aug 30, 2002 | Aug 30, 2002 | Headington Oil Company, L.P. | Starr | Murch, B. L. #12 | 12,000 | 42733528 |
| 521846 | Jul 16, 2002 | Jul 16, 2002 | Headington Oil Company, L.P. | Kenedy | Kenedy, John G. Jr. "J" #33 | 15,500 | 26131297 |