| 556111 | Jan 14, 2005 | Jan 14, 2005 | EOG Resources, Inc. | King #3HH | 7,100 | 25130307 |
| 556089 | Jan 12, 2005 | Jan 12, 2005 | Devon Energy Production Co, L.P. | Hogan Trust #1H | 9,000 | 25130306 |
| 555944 | Jan 10, 2005 | Jan 10, 2005 | EOG Resources, Inc. | Geren #4 HH | 7,100 | 25130305 |
| 555159 | Jan 7, 2005 | Jan 7, 2005 | Adexco Operating Company | Givens #1 HH | 7,000 | 25130300 |
| 555652 | Jan 4, 2005 | Jan 4, 2005 | EOG Resources, Inc. | Smelley #1 HH | 7,500 | 25130304 |
| 555514 | Dec 30, 2004 | Dec 30, 2004 | Quicksilver Resources Inc. | Hanger Trust #1 HH | 6,400 | 25130303 |
| 555346 | Dec 27, 2004 | Dec 27, 2004 | Republic Energy Inc. | Georges Creek Ranch #3 HH | 8,000 | 25130302 |
| 555066 | Dec 21, 2004 | Dec 21, 2004 | Hallwood Petroleum, LLC. | Meadows #6H | 11,000 | 25130301 |
| 554916 | Dec 20, 2004 | Dec 20, 2004 | Hallwood Petroleum, LLC. | South Cleburne SWD #1 | 10,500 | 25130299 |
| 554916Amendment | Dec 20, 2004 | Dec 20, 2004 | Chesapeake Operating, Inc. | South Cleburne SWD #1 | 10,952 | 25130299 |
| 554869 | Dec 16, 2004 | Dec 16, 2004 | North Texas Llano Operating Corp | Wilson #1H | 9,500 | 25130298 |
| 554869Amendment | Dec 16, 2004 | Dec 16, 2004 | North Texas Llano Operating Corp | Wilson #1H | 9,500 | 25130298 |
| 554846 | Dec 16, 2004 | Dec 16, 2004 | EOG Resources, Inc. | Godley Minerals Unit #1 HH | 7,550 | 25130297 |
| 554783 | Dec 15, 2004 | Dec 15, 2004 | Hallwood Energy Corporation | Wallace #1 HH | 11,000 | 25130296 |
| 554742 | Dec 13, 2004 | Dec 13, 2004 | Chief Oil & Gas LLC | Hall Unit #1HH | 8,900 | 25130295 |
| 554626 | Dec 9, 2004 | Dec 9, 2004 | Devon Energy Production Co, L.P. | Mahanay #1H | 9,000 | 25130294 |
| 554626Amendment | Dec 9, 2004 | Dec 9, 2004 | Devon Energy Production Co, L.P. | Mahanay, J. C. #1H | 9,000 | 25130294 |
| 554413 | Dec 6, 2004 | Dec 6, 2004 | Devon Energy Production Co, L.P. | Johnson, R.D. #1H | 9,000 | 25130293 |
| 554413Amendment | Dec 6, 2004 | Dec 6, 2004 | Devon Energy Production Co, L.P. | Johnson, R.D. #1H | 9,000 | 25130293 |
| 554413Amendment | Dec 6, 2004 | Dec 6, 2004 | Devon Energy Production Co, L.P. | Johnson, R.D. #1H | 9,000 | 25130293 |
| 554298 | Dec 2, 2004 | Dec 2, 2004 | Devon Energy Production Co, L.P. | Barr, Danny #1H | 9,000 | 25130292 |
| 554298Amendment | Dec 2, 2004 | Dec 2, 2004 | Devon Energy Production Co, L.P. | Barr, Danny #1H | 9,000 | 25130292 |
| 554185 | Nov 30, 2004 | Nov 30, 2004 | XTO Energy Inc. | Harper Cattle "A" #1 V | 10,000 | 25130291 |
| 554074 | Nov 30, 2004 | Nov 30, 2004 | EOG Resources, Inc. | Richard Crider Unit #1HH | 7,300 | 25130290 |
| 554025 | Nov 30, 2004 | Nov 30, 2004 | Hallwood Petroleum, LLC. | Pennington #2HH | 11,000 | 25130288 |
| 554025Amendment | Nov 30, 2004 | Nov 30, 2004 | Hallwood Petroleum, LLC. | Pennington #2HH | 11,000 | 25130288 |
| 554025Amendment | Nov 30, 2004 | Nov 30, 2004 | Hallwood Petroleum, LLC. | Pennington #2HH | 11,000 | 25130288 |
| 554027 | Nov 29, 2004 | Nov 29, 2004 | Hallwood Petroleum, LLC. | Pennington #3HH | 11,000 | 25130289 |
| 554027Amendment | Nov 29, 2004 | Nov 29, 2004 | Hallwood Petroleum, LLC. | Pennington #3HH | 11,000 | 25130289 |
| 554041 | Nov 23, 2004 | Nov 23, 2004 | Devon Energy Production Co, L.P. | Barnes #1H | 9,000 | 25130287 |
| 554016 | Nov 22, 2004 | Nov 22, 2004 | Chief Oil & Gas LLC | Lois #2H | 8,900 | 25130286 |
| 553997 | Nov 22, 2004 | Nov 22, 2004 | Chief Oil & Gas LLC | Lois #1 HH | 8,900 | 25130285 |
| 553983 | Nov 22, 2004 | Nov 22, 2004 | Quicksilver Resources Inc. | John J. Miles, Jr. Gas Unit #2HH | 6,500 | 25130284 |
| 553638 | Nov 22, 2004 | Nov 22, 2004 | Hallwood Energy Corporation | Cody-Hunter #5 HH | 11,000 | 25130280 |
| 553638Amendment | Nov 22, 2004 | Nov 22, 2004 | Chesapeake Operating, Inc. | Mize Family #7HH | 9,000 | 25130280 |
| 553846 | Nov 18, 2004 | Nov 18, 2004 | EOG Resources, Inc. | Set/Back "a" Unit #1HH | 8,800 | 25130283 |
| 553846Amendment | Nov 18, 2004 | Nov 18, 2004 | EOG Resources, Inc. | Set/Back "a" Unit #1 HH | 8,800 | 25130283 |
| 553789 | Nov 18, 2004 | Nov 18, 2004 | EOG Resources, Inc. | Fricks #2HH | 7,350 | 25130282 |
| 553744 | Nov 17, 2004 | Nov 17, 2004 | Stroud Energy, Ltd. | Segerstrom #1HH | 8,500 | 25130281 |
| 553744Amendment | Nov 17, 2004 | Nov 17, 2004 | Stroud Energy, Ltd. | Segerstrom #1HH | 7,962 | 25130281 |
| 553437 | Nov 9, 2004 | Nov 9, 2004 | EOG Resources, Inc. | Fricks #1H | 7,350 | 25130279 |
| 553435 | Nov 9, 2004 | Nov 9, 2004 | EOG Resources, Inc. | Telch "C" Unit #1HH | 7,325 | 25130278 |
| 553435Amendment | Nov 9, 2004 | Nov 9, 2004 | EOG Resources, Inc. | Telch "C" Unit #1H | 7,325 | 25130278 |
| 553431 | Nov 9, 2004 | Nov 9, 2004 | Quicksilver Resources Inc. | Freeland Unit #1 HH | 6,400 | 25130277 |
| 553205 | Nov 9, 2004 | Nov 9, 2004 | Hallwood Energy Corporation | Cody-Hunter #5HH | 7,500 | 25130280 |
| 553309 | Nov 8, 2004 | Nov 8, 2004 | Arrington,david H. Oil & Gas,inc | Grizzly King #1H | 6,600 | 25130276 |
| 553139 | Nov 4, 2004 | Nov 4, 2004 | Hallwood Petroleum, LLC. | Cody-Hunter #4 HH | 11,000 | 25130274 |
| 553139Amendment | Nov 4, 2004 | Nov 4, 2004 | Chesapeake Operating, Inc. | Mize Family #6HH | 11,000 | 25130274 |
| 553123 | Nov 2, 2004 | Nov 2, 2004 | EOG Resources, Inc. | Baptist Foundation Unit #1HH | 7,450 | 25130273 |
| 553123Amendment | Nov 2, 2004 | Nov 2, 2004 | EOG Resources, Inc. | Baptist Foundation Unit #1 HH | 7,450 | 25130273 |
| 553122 | Nov 2, 2004 | Nov 2, 2004 | EOG Resources, Inc. | Jernigan #1 HH | 7,450 | 25130272 |
| 553039 | Nov 1, 2004 | Nov 1, 2004 | EOG Resources, Inc. | King #2 HH | 7,200 | 25130271 |
| 552982 | Oct 29, 2004 | Oct 29, 2004 | EOG Resources, Inc. | Geren #3HH | 7,100 | 25130268 |
| 552982Amendment | Oct 29, 2004 | Oct 29, 2004 | EOG Resources, Inc. | Geren #3 HH | 7,100 | 25130268 |
| 552981 | Oct 29, 2004 | Oct 29, 2004 | EOG Resources, Inc. | Lancaster #3 HH | 7,300 | 25130270 |
| 552980 | Oct 29, 2004 | Oct 29, 2004 | EOG Resources, Inc. | Teich, Henry #1 HH | 7,350 | 25130269 |
| 552694 | Oct 27, 2004 | Oct 27, 2004 | Hallwood Petroleum, LLC. | Holibaugh #1HH | 11,000 | 25130266 |
| 552694Amendment | Oct 27, 2004 | Oct 27, 2004 | Hallwood Petroleum, LLC. | Holibaugh #1HH | 7,100 | 25130266 |
| 552807 | Oct 26, 2004 | Oct 26, 2004 | EOG Resources, Inc. | Willis Trust Unit #1H | 7,400 | 25130267 |
| 552492 | Oct 19, 2004 | Oct 19, 2004 | EOG Resources, Inc. | Christofferson Unit #1HH | 7,400 | 25130265 |
| 552492Amendment | Oct 19, 2004 | Oct 19, 2004 | EOG Resources, Inc. | Christofferson Unit #1 HH | 7,400 | 25130265 |
| 552491 | Oct 19, 2004 | Oct 19, 2004 | EOG Resources, Inc. | Acu #1 | 7,500 | 25130264 |
| 552123 | Oct 19, 2004 | Oct 19, 2004 | Hallwood Petroleum, LLC. | Jenny #1HH | 11,000 | 25130260 |
| 552366 | Oct 15, 2004 | Oct 15, 2004 | Devon Energy Production Co, L.P. | Hazlett #1H | 9,000 | 25130263 |
| 552366Amendment | Oct 15, 2004 | Oct 15, 2004 | Devon Energy Production Co, L.P. | Hazlett #1H | 9,000 | 25130263 |
| 552366Amendment | Oct 15, 2004 | Oct 15, 2004 | Devon Energy Production Co, L.P. | Hazlett #1H | 9,000 | 25130263 |
| 552290 | Oct 14, 2004 | Oct 14, 2004 | Devon Energy Production Co, L.P. | Boyle, Otice #1H | 9,000 | 25130262 |
| 552290Amendment | Oct 14, 2004 | Oct 14, 2004 | Devon Energy Production Co, L.P. | Boyle, Otice #1H | 9,000 | 25130262 |
| 552278 | Oct 14, 2004 | Oct 14, 2004 | XTO Energy Inc. | Jackson, James Dale "C" #1HH | 10,000 | 25130261 |
| 552278Amendment | Oct 14, 2004 | Oct 14, 2004 | XTO Energy Inc. | Jackson, James Dale "C" #1V | 10,000 | 25130261 |
| 552078 | Oct 8, 2004 | Oct 8, 2004 | EOG Resources, Inc. | Faubus B Unit #1 HH | 7,600 | 25130259 |
| 552077 | Oct 8, 2004 | Oct 8, 2004 | EOG Resources, Inc. | River Hills #3HH | 7,350 | 25130258 |
| 552013 | Oct 7, 2004 | Oct 7, 2004 | EOG Resources, Inc. | Knapp Unit #2 HH | 7,450 | 25130257 |
| 551972 | Oct 6, 2004 | Oct 6, 2004 | EOG Resources, Inc. | Embry #3HH | 7,650 | 25130256 |
| 551738 | Sep 30, 2004 | Sep 30, 2004 | EOG Resources, Inc. | Crider #1 HH | 7,200 | 25130255 |
| 551738Amendment | Sep 30, 2004 | Sep 30, 2004 | EOG Resources, Inc. | Crider #1 HH | 7,200 | 25130255 |
| 551688 | Sep 29, 2004 | Sep 29, 2004 | EOG Resources, Inc. | Alfrey, Hattie Lou #1HH | 7,450 | 25130254 |
| 551497 | Sep 24, 2004 | Sep 24, 2004 | Burnett Oil Co., Inc. | Lyons #1 | 10,000 | 25130253 |
| 551497Amendment | Sep 24, 2004 | Sep 24, 2004 | Burnett Oil Co., Inc. | Lyons #1H | 10,000 | 25130253 |
| 551212 | Sep 23, 2004 | Sep 23, 2004 | Hallwood Energy Corporation | Abbott #1HH | 11,000 | 25130251 |
| 551212Amendment | Sep 23, 2004 | Sep 23, 2004 | Hallwood Petroleum, LLC. | Abbott #1HH | 11,000 | 25130251 |
| 551259 | Sep 21, 2004 | Sep 21, 2004 | Republic Energy Inc. | Dear Ranch #1HH | 8,000 | 25130252 |
| 551078 | Sep 20, 2004 | Sep 20, 2004 | EOG Resources, Inc. | Meadows SWD #1 | 9,000 | 25130249 |
| 551078Amendment | Sep 20, 2004 | Sep 20, 2004 | EOG Resources, Inc. | Meadows SWD #1 | 9,700 | 25130249 |
| 550908 | Sep 20, 2004 | Sep 20, 2004 | Hallwood Energy Corporation | Meadows #2HH | 11,000 | 25130246 |
| 550908Amendment | Sep 20, 2004 | Sep 20, 2004 | Hallwood Petroleum, LLC. | Meadows #2HH | 11,000 | 25130246 |
| 550908Amendment | Sep 20, 2004 | Sep 20, 2004 | Hallwood Petroleum, LLC. | Meadows #2HH | 11,000 | 25130246 |
| 551148 | Sep 17, 2004 | Sep 17, 2004 | North Texas Llano Operating Corp | Ball Heirs Joint Venture No. 1 #1 | 8,000 | 25130250 |
| 550974 | Sep 16, 2004 | Sep 16, 2004 | EOG Resources, Inc. | West #1 HH | 7,200 | 25130248 |
| 550974Amendment | Sep 16, 2004 | Sep 16, 2004 | EOG Resources, Inc. | West Unit #1 HH | 7,200 | 25130248 |
| 550907 | Sep 16, 2004 | Sep 16, 2004 | Hallwood Energy Corporation | Lee #2HH | 11,000 | 25130247 |
| 550621 | Sep 15, 2004 | Sep 15, 2004 | Hallwood Energy Corporation | Southdam #1HH | 11,000 | 25130245 |
| 550621Amendment | Sep 15, 2004 | Sep 15, 2004 | Hallwood Petroleum, LLC. | South Dam #1H | 7,100 | 25130245 |
| 550621Amendment | Sep 15, 2004 | Sep 15, 2004 | Chesapeake Operating, Inc. | South Dam #1HH | 7,100 | 25130245 |
| 549100 | Sep 10, 2004 | Sep 10, 2004 | EOG Resources, Inc. | Core Lab #3HH | 7,200 | 25130232 |
| 550405 | Sep 1, 2004 | Sep 1, 2004 | EOG Resources, Inc. | Brice #1HH | 7,200 | 25130244 |
| 550405Amendment | Sep 1, 2004 | Sep 1, 2004 | EOG Resources, Inc. | Brice #1 HH | 7,200 | 25130244 |
| 550351 | Aug 31, 2004 | Aug 31, 2004 | EOG Resources, Inc. | Evans/Randle Unit #1 HH | 7,200 | 25130243 |
| 550247 | Aug 30, 2004 | Aug 30, 2004 | North Texas Llano Operating Corp | Ball Heirs Joint Venture #2 | 8,000 | 25130241 |
| 550247Amendment | Aug 30, 2004 | Aug 30, 2004 | North Texas Llano Operating Corp | Ball Heirs Joint Venture Unit B #1 | 8,000 | 25130241 |