| 551886 | Oct 7, 2004 | Oct 7, 2004 | Sulphur River Exploration, Inc. | Indian Rock Gas Unit No. 3 #4 | 12,220 | 45930715 |
| 551833 | Oct 6, 2004 | Oct 6, 2004 | Oneok Texas Energy Resources, LP | Petty GU #2 | 11,300 | 45931221 |
| 551759 | Sep 30, 2004 | Sep 30, 2004 | Sojourner Drlg. Corp. | Gene A. McCollum Unit #7 | 11,500 | 45931220 |
| 551686 | Sep 29, 2004 | Sep 29, 2004 | Vintage Petroleum, Inc. | Craig, W. D. Gas Unit #2 | 11,905 | 45930386 |
| 551563 | Sep 27, 2004 | Sep 27, 2004 | Vintage Petroleum, Inc. | Coyle, N.L. #2 | 12,500 | 45931219 |
| 551563Amendment | Sep 27, 2004 | Sep 27, 2004 | Vintage Petroleum, Inc. | Coyle, N.L. #2 | 12,500 | 45931219 |
| 551246 | Sep 23, 2004 | Sep 23, 2004 | Oneok Texas Energy Resources, LP | Phillips E-1 GU #10 | 11,300 | 45931218 |
| 551109 | Sep 16, 2004 | Sep 16, 2004 | Medicine Bow Operating Company | South Gilmer #1 | 12,500 | 45931217 |
| 550971 | Sep 16, 2004 | Sep 16, 2004 | Stroud Petroleum, Inc. | Lucky #1 | 10,700 | 45931216 |
| 550658 | Sep 8, 2004 | Sep 8, 2004 | Burk Royalty Co., Ltd. | Coleman #1 | 12,000 | 45930094 |
| 550658Amendment | Sep 8, 2004 | Sep 8, 2004 | Burk Royalty Co., Ltd. | Coleman #1 | 12,000 | 45930094 |
| 550485 | Sep 3, 2004 | Sep 3, 2004 | Sulphur River Exploration, Inc. | Indian Rock Gas Unit NO 9 #8 | 13,000 | 45931215 |
| 550482 | Sep 3, 2004 | Sep 3, 2004 | McBee Operating Company, L.L.C. | Bogel Gas Unit #1 #6 R | 11,560 | 45930677 |
| 550002 | Aug 27, 2004 | Aug 27, 2004 | Oneok Texas Energy Resources, LP | Phillips E-1 GU #8 | 11,300 | 45931212 |
| 550001 | Aug 27, 2004 | Aug 27, 2004 | Oneok Texas Energy Resources, LP | Phillips E-1 GU #11 | 11,300 | 45931214 |
| 549994 | Aug 27, 2004 | Aug 27, 2004 | Oneok Texas Energy Resources, LP | Rubey Estate GU #5 | 11,300 | 45931213 |
| 549992 | Aug 27, 2004 | Aug 27, 2004 | Oneok Texas Energy Resources, LP | Gladewater GU 14 #8 | 11,300 | 45931211 |
| 549859 | Aug 27, 2004 | Aug 27, 2004 | Oneok Texas Energy Resources, LP | John Barksdale GU #9 | 11,300 | 45931210 |
| 549587 | Aug 27, 2004 | Aug 27, 2004 | Sulphur River Exploration, Inc. | Laughlin #3 | 13,000 | 45931208 |
| 549837 | Aug 24, 2004 | Aug 24, 2004 | Burk Royalty Co., Ltd. | Coleman #1 | 12,000 | 45930094 |
| 549753 | Aug 18, 2004 | Aug 18, 2004 | Peak Energy Corporation | J. V. Craig Gas Unit 1 #3 | 12,100 | 45931209 |
| 549277 | Aug 12, 2004 | Aug 12, 2004 | Oneok Texas Energy Resources, LP | Phillips E-1 GU #9 | 11,300 | 45931207 |
| 549214 | Aug 5, 2004 | Aug 5, 2004 | Verado Energy, Inc. | R. A. Hinson Gas Unit No. 1 #10 | 15,000 | 45931206 |
| 549121 | Aug 4, 2004 | Aug 4, 2004 | Medicine Bow Operating Company | Chout #1 | 12,500 | 45931205 |
| 548712 | Jul 27, 2004 | Jul 27, 2004 | Key Production Company, Inc. | McCaslin-Hall #1 | 12,000 | 45931204 |
| 548643 | Jul 22, 2004 | Jul 22, 2004 | Stroud Petroleum, Inc. | Gregory #1 | 10,750 | 45931171 |
| 547559 | Jun 29, 2004 | Jun 29, 2004 | Oneok Texas Energy Resources, LP | Gladewater GU 9 #7 | 11,300 | 45931203 |
| 547507 | Jun 28, 2004 | Jun 28, 2004 | Medicine Bow Operating Company | Martin "L" #5 | 12,500 | 45931202 |
| 547353 | Jun 24, 2004 | Jun 24, 2004 | BP America Production Company | George Joseph et al Gas Unit #2 | 11,500 | 45931201 |
| 547263 | Jun 22, 2004 | Jun 22, 2004 | Medicine Bow Operating Company | Williams "T" #8 | 12,500 | 45931200 |
| 547262 | Jun 22, 2004 | Jun 22, 2004 | Medicine Bow Operating Company | Martin "L" #1 | 12,500 | 45930504 |
| 547262Amendment | Jun 22, 2004 | Jun 22, 2004 | Medicine Bow Operating Company | Martin "L" #1 | 12,500 | 45930504 |
| 547161 | Jun 18, 2004 | Jun 18, 2004 | Medicine Bow Operating Company | Martin "L" Unit #6 | 12,500 | 45931199 |
| 547139 | Jun 18, 2004 | Jun 18, 2004 | PXP Gulf Coast Inc. | T. W. Smith Gas Unit No. 1 #5 | 11,000 | 45931198 |
| 546419 | Jun 2, 2004 | Jun 2, 2004 | Mobley Oilfield Services, LP | Ray SWD #2R | 4,210 | 45931197 |
| 546106 | May 27, 2004 | May 27, 2004 | BP America Production Company | O'Byrne Heirs Gas Unit "A" #5 | 11,500 | 45931196 |
| 546106Amendment | May 27, 2004 | May 27, 2004 | BP America Production Company | O'Byrne Heirs Gas Unit "A" #5 | 11,500 | 45931196 |
| 545810 | May 21, 2004 | May 21, 2004 | Oneok Texas Energy Resources, LP | John Barksdale GU #8 | 11,300 | 45931195 |
| 545792 | May 20, 2004 | May 20, 2004 | Oneok Texas Energy Resources, LP | Gladewater GU 9 #6 | 11,300 | 45931194 |
| 545750 | May 17, 2004 | May 17, 2004 | Oneok Texas Energy Resources, LP | Gladewater GU 15 #12 | 11,300 | 45931193 |
| 545749 | May 17, 2004 | May 17, 2004 | Oneok Texas Energy Resources, LP | Gladewater GU 8 #5 | 11,300 | 45931192 |
| 545692 | May 17, 2004 | May 17, 2004 | Medicine Bow Operating Company | Inman "a" Gas Unit #9 | 12,500 | 45931191 |
| 545412 | May 6, 2004 | May 6, 2004 | Vintage Petroleum, Inc. | Snow, Delbert #3 | 12,000 | 45931188 |
| 545411 | May 6, 2004 | May 6, 2004 | Vintage Petroleum, Inc. | Snow, J. E. #4 | 12,500 | 45931190 |
| 545410 | May 6, 2004 | May 6, 2004 | Vintage Petroleum, Inc. | Snow, Delbert #4 | 12,000 | 45931189 |
| 545410Amendment | May 6, 2004 | May 6, 2004 | Vintage Petroleum, Inc. | Snow, Delbert #4 | 12,000 | 45931189 |
| 544592 | Apr 19, 2004 | Apr 19, 2004 | Medicine Bow Operating Company | Williams "T" Gas Unit #7 | 12,500 | 45931187 |
| 544591 | Apr 19, 2004 | Apr 19, 2004 | Medicine Bow Operating Company | Martin "L" Unit #7 | 12,500 | 45931186 |
| 544331 | Apr 15, 2004 | Apr 15, 2004 | Oneok Texas Energy Resources, LP | Gladewater GU 9 #8 | 11,300 | 45931185 |
| 544329 | Apr 15, 2004 | Apr 15, 2004 | Oneok Texas Energy Resources, LP | Gladewater GU 8 #4 | 11,300 | 45931184 |
| 544103 | Apr 12, 2004 | Apr 12, 2004 | PXP Gulf Coast Inc. | Rutledge, O.L. Gas Unit No. 1 #4 | 11,000 | 45931181 |
| 544102 | Apr 12, 2004 | Apr 12, 2004 | PXP Gulf Coast Inc. | Smith, T.W. Gas Unit No. 1 #3 | 11,000 | 45931182 |
| 544101 | Apr 8, 2004 | Apr 8, 2004 | PXP Gulf Coast Inc. | Rutledge, O.L. Gas Unit No. 1 #5 | 11,000 | 45931183 |
| 544101Amendment | Apr 8, 2004 | Apr 8, 2004 | PXP Gulf Coast Inc. | O. L. Rutledge Gas Unit No. 1 #5 | 11,000 | 45931183 |
| 543969 | Apr 7, 2004 | Apr 7, 2004 | Oneok Texas Energy Resources, LP | Gladewater GU 14 #5 | 11,300 | 45931180 |
| 543641 | Mar 29, 2004 | Mar 29, 2004 | Oneok Texas Energy Resources, LP | Rubey Estate GU #4 | 11,300 | 45931178 |
| 543641Amendment | Mar 29, 2004 | Mar 29, 2004 | Oneok Texas Energy Resources, LP | Rubey Estate GU #4 | 11,680 | 45931178 |
| 543667 | Mar 25, 2004 | Mar 25, 2004 | Peak Energy Corporation | Craig, J.V. Gas Unit #2 | 12,000 | 45931179 |
| 543358 | Mar 22, 2004 | Mar 22, 2004 | Basa Resources, Inc. | Sanders, A. J. #30R | 3,700 | 45901007 |
| 543464 | Mar 19, 2004 | Mar 19, 2004 | Mobley Oilfield Services, LP | Exxon-Fina L.V. Ray GU NO.1 #2 | 4,210 | 45930672 |
| 543324 | Mar 19, 2004 | Mar 19, 2004 | Camterra Resources, Inc. | McClain #1 | 11,659 | 45931145 |
| 543293 | Mar 16, 2004 | Mar 16, 2004 | Verado Energy, Inc. | Hinson, R.A Gas Unit No. 1 #9 | 13,000 | 45931177 |
| 543149 | Mar 12, 2004 | Mar 12, 2004 | Medicine Bow Operating Company | Martin "L" #4 | 12,500 | 45931176 |
| 538682 | Mar 8, 2004 | Mar 8, 2004 | Sulphur River Exploration, Inc. | Indian Rock Gas Unit No. 6 #7 | 1,250 | 45931086 |
| 538682Amendment | Mar 8, 2004 | Mar 8, 2004 | Sulphur River Exploration, Inc. | Indian Rock Gas Unit No. 6 #7 | 12,050 | 45931086 |
| 542874 | Mar 1, 2004 | Mar 1, 2004 | Stroud Petroleum, Inc. | Thorne #1 | 11,100 | 45931137 |
| 542077 | Feb 17, 2004 | Feb 17, 2004 | PXP Gulf Coast Inc. | Wm. M. Leonard Gas Unit #3 | 11,000 | 45931174 |
| 542075 | Feb 17, 2004 | Feb 17, 2004 | PXP Gulf Coast Inc. | J. L. Sowell Gas Unit #3 | 11,000 | 45931175 |
| 541884 | Feb 17, 2004 | Feb 17, 2004 | Oneok Texas Energy Resources, LP | J. W. Nicholson GU #9 | 11,300 | 45931173 |
| 541704 | Feb 5, 2004 | Feb 5, 2004 | Medicine Bow Energy Corporation | Inman "a" Gas Unit #6 | 12,500 | 45931172 |
| 541239 | Jan 27, 2004 | Jan 27, 2004 | Stroud Petroleum, Inc. | Gregory #1 | 10,750 | 45931171 |
| 540561 | Jan 13, 2004 | Jan 13, 2004 | Wagner & Brown, Ltd. | J. D. Fenton GU "A" #7 | 11,300 | 45931170 |
| 540423 | Jan 6, 2004 | Jan 6, 2004 | Stroud Petroleum, Inc. | Thorne #1 | 11,400 | 45931137 |
| 540389 | Jan 6, 2004 | Jan 6, 2004 | Medicine Bow Energy Corporation | Martin "L" #3 | 12,500 | 45931169 |
| 540223 | Dec 30, 2003 | Dec 30, 2003 | Wagner & Brown, Ltd. | J.W. Nicholson GU #8 | 11,300 | 45931168 |
| 540223Amendment | Dec 30, 2003 | Dec 30, 2003 | Wagner & Brown, Ltd. | J.W. Nicholson GU #8 | 11,300 | 45931168 |
| 539741 | Dec 16, 2003 | Dec 16, 2003 | Medicine Bow Energy Corporation | Martin #1A | 4,200 | 45931167 |
| 539741Amendment | Dec 16, 2003 | Dec 16, 2003 | Medicine Bow Operating Company | Martin #1A | 4,200 | 45931167 |
| 538701 | Nov 26, 2003 | Nov 26, 2003 | Sulphur River Exploration, Inc. | Indian Rock Gas Unit No. 11 #2 | 12,100 | 45931115 |
| 538238 | Nov 25, 2003 | Nov 25, 2003 | Sulphur River Exploration, Inc. | Trammell Gas Unit #4 | 13,000 | 45931166 |
| 538238Amendment | Nov 25, 2003 | Nov 25, 2003 | Sulphur River Exploration, Inc. | Trammell Gas Unit #4H | 16,200 | 45931166 |
| 538826 | Nov 20, 2003 | Nov 20, 2003 | Medicine Bow Energy Corporation | Inman "a" Gas Unit #5 | 12,500 | 45931165 |
| 533081 | Nov 13, 2003 | Nov 13, 2003 | Basa Resources, Inc. | Sanders, A. J. #42R | 3,660 | 45980638 |
| 538270 | Nov 5, 2003 | Nov 5, 2003 | Peak Energy Corporation | Willeford Gas Unit #3 | 12,000 | 45931164 |
| 538270Amendment | Nov 5, 2003 | Nov 5, 2003 | Peak Energy Corporation | Willeford Gas Unit #3 | 12,000 | 45931164 |
| 538056 | Nov 4, 2003 | Nov 4, 2003 | Wagner & Brown, Ltd. | Gladewater GU 19 #9 | 11,300 | 45931163 |
| 537865 | Oct 24, 2003 | Oct 24, 2003 | Sojourner Drlg. Corp. | McCollum, Gene A. #4 | 12,000 | 45931149 |
| 537611 | Oct 17, 2003 | Oct 17, 2003 | Medicine Bow Energy Corporation | Inman "a" Gas Unit #4 | 12,500 | 45931162 |
| 538300 | Oct 2, 2003 | Oct 2, 2003 | Burk Royalty Co., Ltd. | Terrell, George #1 | 11,520 | 45930606 |
| 537066 | Oct 2, 2003 | Oct 2, 2003 | Sigmon Production Company, Inc. | J. W. Free Gas Unit #3 | 11,100 | 45931161 |
| 534767 | Sep 15, 2003 | Sep 15, 2003 | Sojourner Drlg. Corp. | McCollum, Gene A. #5 | 12,000 | 45931156 |
| 534767Amendment | Sep 15, 2003 | Sep 15, 2003 | Sojourner Drlg. Corp. | McCollum, Gene A. #5 | 12,000 | 45931156 |
| 535606 | Sep 8, 2003 | Sep 8, 2003 | Medicine Bow Energy Corporation | Inman "a" Gas Unit #3 | 12,500 | 45931159 |
| 535606Amendment | Sep 8, 2003 | Sep 8, 2003 | Medicine Bow Energy Corporation | Inman "a" Gas Unit #3 | 12,500 | 45931159 |
| 535605 | Sep 8, 2003 | Sep 8, 2003 | Medicine Bow Energy Corporation | Williams "T" Gas Unit #5 | 12,500 | 45931160 |
| 535605Amendment | Sep 8, 2003 | Sep 8, 2003 | Medicine Bow Operating Company | Williams "T" Gas Unit #5 | 12,500 | 45931160 |
| 535458 | Aug 27, 2003 | Aug 27, 2003 | Wagner & Brown, Ltd. | Gladewater GU 19 #10 | 11,300 | 45931157 |
| 535574 | Aug 20, 2003 | Aug 20, 2003 | Vintage Petroleum, Inc. | Johnson, James L. #2 | 12,500 | 45931158 |
| 535044 | Aug 15, 2003 | Aug 15, 2003 | Brown, Tom Inc. | Cedar Springs Gas Unit 6 #4 | 11,695 | 45931067 |
| 533871 | Jul 18, 2003 | Jul 18, 2003 | Sulphur River Exploration, Inc. | Indian Rock Gas Unit No. 9 #2 | 12,025 | 45930720 |