| 551990Amendment | Oct 6, 2004 | Oct 6, 2004 | B.W.O.C., Inc. | Strowman "WB" #1HH | 8,500 | 31330784 |
| 551170 | Sep 22, 2004 | Sep 22, 2004 | Palmer Petroleum Inc. | Goree #1H | 9,600 | 31330783 |
| 551170Amendment | Sep 22, 2004 | Sep 22, 2004 | Palmer Petroleum Inc. | Goree #1H | 9,600 | 31330783 |
| 548608 | Jul 22, 2004 | Jul 22, 2004 | Alltex Exploration, Inc. | Barrett #1HH | 10,400 | 31330417 |
| 548033 | Jul 9, 2004 | Jul 9, 2004 | Redwood Energy Production, L.P. | Fannin, Angela Farris #1 | 12,000 | 31330782 |
| 546467 | Jun 3, 2004 | Jun 3, 2004 | B.W.O.C., Inc. | Lenz Brothers #1HH | 9,100 | 31330280 |
| 546467Amendment | Jun 3, 2004 | Jun 3, 2004 | B.W.O.C., Inc. | Lenz Brothers #1HH | 9,025 | 31330280 |
| 545902 | May 21, 2004 | May 21, 2004 | McBee Operating Company, L.L.C. | Randolph, W. H. #2R | 10,000 | 31330775 |
| 544603 | Apr 19, 2004 | Apr 19, 2004 | Patriot E & P Company | Ivey, Will #1 | 10,200 | 31330276 |
| 542488 | Mar 4, 2004 | Mar 4, 2004 | TC3 Energy Services Company | Heath Unit 1 #1 | 16,035 | 31330762 |
| 536989 | Sep 30, 2003 | Sep 30, 2003 | Russell - Ft. Trinidad Op., LLC | Richardson - Ivey Unit #1 | 10,120 | 31330262 |
| 536989Amendment | Sep 30, 2003 | Sep 30, 2003 | Patriot E & P Company | Richardson - Ivey Unit #1 | 10,120 | 31330262 |
| 536989Amendment | Sep 30, 2003 | Sep 30, 2003 | Patriot E & P Company | Richardson - Ivey Unit #1 | 10,120 | 31330262 |
| 536163 | Sep 16, 2003 | Sep 16, 2003 | Barrow-Shaver Resources Co. | BSR (Sub-Clarksville) Unit #501 | 7,825 | 31330754 |
| 535530 | Aug 20, 2003 | Aug 20, 2003 | Anadarko E&P Company LP | Moffitt Unit #1H | 13,800 | 31330781 |
| 532750 | Jun 4, 2003 | Jun 4, 2003 | Palmer Petroleum Inc. | City of Midway #1H | 9,500 | 31330780 |
| 530644 | May 28, 2003 | May 28, 2003 | Daniel Mineral Development, Inc. | Rasco, G. D. #4 | 8,250 | 31330778 |
| 531130 | Apr 25, 2003 | Apr 25, 2003 | Patriot E & P Company | Wakefield #1 | 11,000 | 31330779 |
| 531130Amendment | Apr 25, 2003 | Apr 25, 2003 | Patriot E & P Company | Wakefield #1 | 9,440 | 31330779 |
| 527675 | Jan 27, 2003 | Jan 27, 2003 | Mission Resources Corporation | Fannin, Angela Farris #1HH | 10,384 | 31330769 |
| 524497 | Oct 9, 2002 | Oct 9, 2002 | Redwood Energy Production, L.P. | Madisonville Disposal #1D | 5,300 | 31330777 |
| 524220 | Oct 1, 2002 | Oct 1, 2002 | TC3 Energy Services Company | North Casillas Prospect RE #1H | 11,700 | 31330762 |
| 523644 | Sep 17, 2002 | Sep 17, 2002 | Rme Petroleum Company | Tinsley Unit #1H | 12,000 | 31330776 |
| 523727 | Sep 16, 2002 | Sep 16, 2002 | Palmer Petroleum Inc. | Rader #2H | 9,500 | 31330771 |
| 521342 | Jun 28, 2002 | Jun 28, 2002 | Ocean Energy, Inc. | Fannin, M. G. #1 | 8,000 | 31330087 |
| 519792 | May 8, 2002 | May 8, 2002 | McBee Operating Company, L.L.C. | Randolph, W. H. #2 | 10,000 | 31330775 |
| 519489 | Apr 26, 2002 | Apr 26, 2002 | Txu Lone Star Pipeline | GB SU-40 #40 | 260 | 31330774 |
| 518332 | Apr 15, 2002 | Apr 15, 2002 | Setex Oil and Gas Company | Moss-Malone #4 | 9,789 | 31330440 |
| 517773 | Feb 21, 2002 | Feb 21, 2002 | Rme Petroleum Company | Worsham Unit #1H | 12,100 | 31330773 |
| 512761 | Oct 12, 2001 | Oct 12, 2001 | Can-Tex Energy Corp. | Clouser Drugs #1 | 9,795 | 31330628 |
| 512761Amendment | Oct 12, 2001 | Oct 12, 2001 | Can-Tex Energy Corp. | Clouser Drugs #1 | 9,795 | 31330628 |
| 514083 | Oct 1, 2001 | Oct 1, 2001 | Mission Resources Corporation | MPS Unit #1HRH | 11,000 | 31330691 |
| 512070 | Aug 31, 2001 | Aug 31, 2001 | Setex Oil and Gas Company | Faust #1HH | 12,650 | 31330478 |
| 511346 | Jul 12, 2001 | Jul 12, 2001 | Redwood Energy Production, L.P. | Magness, Ruby #1 | 13,050 | 31330715 |
| 510879 | Jun 28, 2001 | Jun 28, 2001 | Ocean Energy, Inc. | Fannin, M. G. #1 | 8,000 | 31330087 |
| 509633 | May 31, 2001 | May 31, 2001 | Rme Petroleum Company | Ribeye Unit #1H | 12,700 | 31330772 |
| 509633Amendment | May 31, 2001 | May 31, 2001 | Gruy Petroleum Management Co. | Ribeye Unit #1H | 12,700 | 31330772 |
| 508448 | May 2, 2001 | May 2, 2001 | Palmer Petroleum Inc. | Rader #2 | 9,500 | 31330771 |
| 508059 | Apr 23, 2001 | Apr 23, 2001 | Setex Oil and Gas Company | McWhorter, B. D. -A- #1HH | 12,730 | 31330088 |
| 504877 | Feb 14, 2001 | Feb 14, 2001 | Palmer Petroleum Inc. | Rader #1 | 9,500 | 31330770 |
| 505063 | Feb 8, 2001 | Feb 8, 2001 | Setex Oil and Gas Company | Moss-Malone #5 #5 | 9,550 | 31330454 |
| 502486 | Nov 30, 2000 | Nov 30, 2000 | Setex Oil and Gas Company | Hensarling #1HH | 13,800 | 31330292 |
| 502012 | Nov 16, 2000 | Nov 16, 2000 | Setex Oil and Gas Company | Faust #1HH | 12,650 | 31330478 |
| 501862 | Nov 10, 2000 | Nov 10, 2000 | Bellwether Exploration Company | Fannin, Angela #1HH | 14,000 | 31330769 |
| 501862Amendment | Nov 10, 2000 | Nov 10, 2000 | Bellwether Exploration Company | Fannin, Angela Farris #1HH | 14,000 | 31330769 |
| 500931 | Oct 18, 2000 | Oct 18, 2000 | Union Pacific Resources Company | Porterhouse Unit A-255 #1RH | 12,100 | 31330768 |
| 497403 | Jul 20, 2000 | Jul 20, 2000 | Union Pacific Resources Company | Porterhouse Unit A-255 #1H | 12,100 | 31330767 |
| 497403Amendment | Jul 20, 2000 | Jul 20, 2000 | Union Pacific Resources Company | Porterhouse Unit A-255 #1H | 12,100 | 31330767 |
| 495556 | May 26, 2000 | May 26, 2000 | Setex Oil and Gas Company | Vick, M. Y. #9 | 9,590 | 31330469 |
| 495326 | May 22, 2000 | May 22, 2000 | Alltex Exploration, Inc. | Barrett #1HH | 10,400 | 31330417 |
| 495326Amendment | May 22, 2000 | May 22, 2000 | Alltex Exploration, Inc. | Barrett #1H | 10,400 | 31330417 |
| 495194 | May 18, 2000 | May 18, 2000 | Setex Oil and Gas Company | Vick, M. Y. #11 | 9,463 | 31330544 |
| 494114 | Apr 14, 2000 | Apr 14, 2000 | Setex Oil and Gas Company | Carmichael #2HH | 9,560 | 31330504 |
| 491538 | Feb 8, 2000 | Feb 8, 2000 | Cliffwood Production Co. | Osborne, G. J. "B" #3 | 9,500 | 31330463 |
| 491538Amendment | Feb 8, 2000 | Feb 8, 2000 | Cliffwood Production Co. | Osborne, G. J. "B" #3 | 9,500 | 31330463 |
| 491493 | Jan 27, 2000 | Jan 27, 2000 | Setex Oil and Gas Company | Vick, M. Y. #8HH | 12,500 | 31330462 |
| 491049 | Jan 13, 2000 | Jan 13, 2000 | Union Pacific Resources Company | Dickens Unit A-231 #1H | 12,000 | 31330766 |
| 491049Amendment | Jan 13, 2000 | Jan 13, 2000 | Gruy Petroleum Management Co. | Dickens Unit A-231 #1H | 12,000 | 31330766 |
| 502565 | Dec 22, 1999 | Dec 22, 1999 | Panther Resources Corporation | Magness, Ruby #1 | 13,000 | 31330715 |
| 490594 | Dec 22, 1999 | Dec 22, 1999 | Panther Resources Corporation | Farris, Jeff Jr. #1 | 13,000 | 31330764 |
| 490593 | Dec 22, 1999 | Dec 22, 1999 | Panther Resources Corporation | Magness, Ruby #1R | 13,000 | 31330765 |
| 483528 | Mar 30, 1999 | Mar 30, 1999 | Ellsworth, H. P. O&G Properties | Barrett, Louise #1 | 9,400 | 31330707 |
| 483528Amendment | Mar 30, 1999 | Mar 30, 1999 | Ellsworth, H. P. O&G Properties | Barrett, Louise #1 | 9,400 | 31330707 |
| 482825 | Mar 5, 1999 | Mar 5, 1999 | Murphy, K. P. Oil Operator | Casillas, N. #1H | 11,700 | 31330762 |
| 482825Amendment | Mar 5, 1999 | Mar 5, 1999 | Murphy, K. P. Oil Operator | Casillas, N. #1H | 11,700 | 31330762 |
| 482825Amendment | Mar 5, 1999 | Mar 5, 1999 | Murphy, K. P. Oil Operator | North Casillas #1HH | 11,700 | 31330762 |
| 482938 | Feb 25, 1999 | Feb 25, 1999 | Daystar Resources, Ltd. | Osborne #1 | 9,700 | 31330763 |
| 481366 | Dec 8, 1998 | Dec 8, 1998 | Mitchell Energy Corporation | Magness #2 | 9,130 | 31330526 |
| 479590 | Nov 13, 1998 | Nov 13, 1998 | Tepee Petroleum Co., Inc. | Baker, W. L. #1 | 8,900 | 31330490 |
| 480203 | Oct 16, 1998 | Oct 16, 1998 | Newstar Energy of Texas L.L.C. | Magness, Ruby #1 | 13,500 | 31330715 |
| 479072 | Aug 28, 1998 | Aug 28, 1998 | Estate Oil & Gas Corp. | Shoemaker #3 | 9,500 | 31330761 |
| 478718 | Aug 13, 1998 | Aug 13, 1998 | Barrow-Shaver Resources Co. | Andrews #1 | 8,000 | 31330760 |
| 477013 | Jun 10, 1998 | Jun 10, 1998 | Newstar Energy of Texas L.L.C. | Magness Gas Unit #1 | 13,050 | 31330715 |
| 476783 | Jun 2, 1998 | Jun 2, 1998 | Barrow-Shaver Resources Co. | Hendrix #1R | 8,000 | 31330719 |
| 476221 | May 13, 1998 | May 13, 1998 | Newstar Energy of Texas L.L.C. | Magness Plant #1I | 5,400 | 31330759 |
| 475910 | May 4, 1998 | May 4, 1998 | Barrow-Shaver Resources Co. | Parker #1 | 8,000 | 31330758 |
| 475081 | Apr 6, 1998 | Apr 6, 1998 | Estate Oil & Gas Corp. | Carroll #2 | 9,300 | 31330757 |
| 474337 | Mar 13, 1998 | Mar 13, 1998 | Barrow-Shaver Resources Co. | Reid, Buster #1 | 8,000 | 31330756 |
| 463185Amendment | Nov 14, 1997 | Nov 14, 1997 | Forcenergy Inc | Osr-Halliday #5601 | 8,100 | 31300208 |
| 469741 | Nov 6, 1997 | Nov 6, 1997 | Parten Operating Inc. | Garrett, O.H. #1H | 13,500 | 31300231 |
| 469255 | Oct 24, 1997 | Oct 24, 1997 | Barrow-Shaver Resources Co. | Greenbriar Ranch #1 | 8,000 | 31330755 |
| 468411 | Oct 3, 1997 | Oct 3, 1997 | Barrow-Shaver Resources Co. | Emert-Williams #1 | 8,000 | 31330754 |
| 467940 | Sep 23, 1997 | Sep 23, 1997 | Parten Operating Inc. | Stewart, J. S. #1 | 12,225 | 31300229 |
| 467940Amendment | Sep 23, 1997 | Sep 23, 1997 | Parten Operating Inc. | Stewart, J. S. #1 | 12,225 | 31300229 |
| 467772 | Sep 23, 1997 | Sep 23, 1997 | Estate Oil & Gas Corp. | Raynor #1 | 9,500 | 31330753 |
| 467186 | Sep 5, 1997 | Sep 5, 1997 | Union Pacific Resources Company | Roddenberry Unit #1H | 12,000 | 31330752 |
| 467186Amendment | Sep 5, 1997 | Sep 5, 1997 | Union Pacific Resources Company | Roddenberry Unit #1H | 12,000 | 31330752 |
| 467144 | Sep 4, 1997 | Sep 4, 1997 | Barrow-Shaver Resources Co. | Parten Estate #4 | 8,000 | 31330751 |
| 466046 | Aug 8, 1997 | Aug 8, 1997 | Barrow-Shaver Resources Co. | Nance Heirs #1 | 8,000 | 31330750 |
| 465489 | Jul 28, 1997 | Jul 28, 1997 | McBee Company, The | Randolph, W. H. #1 | 10,000 | 31330749 |
| 465489Amendment | Jul 28, 1997 | Jul 28, 1997 | McBee Operating Company, L.L.C. | Randolph, W. H. #1 | 10,000 | 31330749 |
| 465217 | Jul 22, 1997 | Jul 22, 1997 | Parten Operating Inc. | W.L. Baker Unit #1H | 12,500 | 31330720 |
| 465217Amendment | Jul 22, 1997 | Jul 22, 1997 | Parten Operating Inc. | W. L. Baker Unit #1H | 12,500 | 31330720 |
| 464994 | Jul 16, 1997 | Jul 16, 1997 | Barrow-Shaver Resources Co. | Stewart Minerals #1 | 8,000 | 31330748 |
| 464002 | Jun 19, 1997 | Jun 19, 1997 | Barrow-Shaver Resources Co. | Parten Estate #3 | 8,800 | 31330747 |
| 463185 | Jun 6, 1997 | Jun 6, 1997 | Edisto Exploration & Prod. Co. | Osr-Halliday #5601 | 8,100 | 31300208 |
| 463233 | Jun 3, 1997 | Jun 3, 1997 | Barrow-Shaver Resources Co. | Brock #1 | 8,000 | 31330746 |
| 460841 | Apr 8, 1997 | Apr 8, 1997 | Barrow-Shaver Resources Co. | Parten Estate #2 | 8,000 | 31330745 |
| 459276 | Apr 7, 1997 | Apr 7, 1997 | Saba Energy of Texas, Inc. | Lamb, Roger A. #1 | 9,551 | 31330479 |
| 460312 | Mar 25, 1997 | Mar 25, 1997 | Barrow-Shaver Resources Co. | Cleveland, Jon #1 | 8,000 | 31330744 |