| 635116 | Mar 20, 2007 | Mar 20, 2007 | McBee Operating Company, L.L.C. | Bogel Gas Unit #2 #3 | 11,500 | 45931371 |
| 635115 | Mar 20, 2007 | Mar 20, 2007 | McBee Operating Company, L.L.C. | Bogel Gas Unit #1 #8 | 11,500 | 45931370 |
| 634799 | Mar 16, 2007 | Mar 16, 2007 | Txok Texas Energy Resources,l.p. | Gladewater GU 14 #13 | 11,300 | 45931367 |
| 634763 | Mar 16, 2007 | Mar 16, 2007 | Txok Texas Energy Resources,l.p. | H. Fenton GU #4 | 11,300 | 45931366 |
| 634654 | Mar 12, 2007 | Mar 12, 2007 | Apache Corporation | Abbott Gas Unit O/A #2 | 10,500 | 45930601 |
| 633900 | Feb 26, 2007 | Feb 26, 2007 | Txok Texas Energy Resources,l.p. | Tommie Mason GU #11 | 11,300 | 45931365 |
| 633890 | Feb 26, 2007 | Feb 26, 2007 | Txok Texas Energy Resources,l.p. | Amoco Brawley #13 | 11,300 | 45931364 |
| 633752 | Feb 22, 2007 | Feb 22, 2007 | Txok Texas Energy Resources,l.p. | South Brawley Gas Unit #7 | 11,300 | 45931362 |
| 633318 | Feb 13, 2007 | Feb 13, 2007 | Cordillera Texas, L.P. | D. E. Snow Gas Unit 1 #5 | 12,000 | 45931361 |
| 631295 | Feb 12, 2007 | Feb 12, 2007 | Txok Texas Energy Resources,l.p. | Amoco Brawley #11 | 11,300 | 45931357 |
| 633061 | Feb 8, 2007 | Feb 8, 2007 | El Paso E & P Company, L. P. | Chout 2 #2 | 12,010 | 45931331 |
| 632864 | Feb 6, 2007 | Feb 6, 2007 | Black Diamond Operating Co., LLC | Hudspeth, B. H. #1 | 11,600 | 45930598 |
| 630959 | Jan 29, 2007 | Jan 29, 2007 | Stroud Petroleum, Inc. | Gregory #3 | 10,750 | 45931355 |
| 632348 | Jan 25, 2007 | Jan 25, 2007 | Txok Texas Energy Resources,l.p. | South Brawley #8 | 11,300 | 45931360 |
| 632348Amendment | Jan 25, 2007 | Jan 25, 2007 | Txok Texas Energy Resources,l.p. | South Brawley #8 | 11,300 | 45931360 |
| 631264 | Jan 12, 2007 | Jan 12, 2007 | Txok Texas Energy Resources,l.p. | J. N. Taylor Gas Unit #4 | 11,300 | 45931359 |
| 631307 | Jan 8, 2007 | Jan 8, 2007 | Txok Texas Energy Resources,l.p. | J. W. Lester #4 | 11,300 | 45931358 |
| 630440 | Jan 8, 2007 | Jan 8, 2007 | Txok Texas Energy Resources,l.p. | Collins, T. GU #5 | 11,300 | 45931354 |
| 630413 | Dec 12, 2006 | Dec 12, 2006 | Peak Energy Corporation | J.V. Craig Gas Unit #4 | 12,100 | 45931225 |
| 627982 | Dec 7, 2006 | Dec 7, 2006 | El Paso E & P Company, L. P. | Williams "T" #8 | 12,100 | 45931200 |
| 628851 | Dec 5, 2006 | Dec 5, 2006 | Txok Texas Energy Resources,l.p. | Fenton, J. D. GU "A" #8 | 11,300 | 45931349 |
| 629609 | Nov 29, 2006 | Nov 29, 2006 | Txok Texas Energy Resources,l.p. | Free, J. W. Gas Unit #4 | 11,300 | 45931353 |
| 629609Amendment | Nov 29, 2006 | Nov 29, 2006 | Exco Operating Company, LP | Free, J. W. Gas Unit #4 | 11,200 | 45931353 |
| 629375 | Nov 21, 2006 | Nov 21, 2006 | Cordillera Texas, L.P. | Reynolds Gas Unit #6 | 12,000 | 45931352 |
| 629219 | Nov 17, 2006 | Nov 17, 2006 | El Paso E & P Company, L. P. | McBeth #1 | 12,500 | 45931351 |
| 629219Amendment | Nov 17, 2006 | Nov 17, 2006 | El Paso E & P Company, L. P. | McBeth #1 | 12,500 | 45931351 |
| 628983 | Nov 14, 2006 | Nov 14, 2006 | Cordillera Texas, L.P. | Sweetman Gas Unit #3 | 12,000 | 45931350 |
| 628575 | Nov 10, 2006 | Nov 10, 2006 | Txok Texas Energy Resources,l.p. | Rubey Estate Gas Unit #10 | 11,300 | 45931348 |
| 628591 | Nov 7, 2006 | Nov 7, 2006 | XTO Energy Inc. | Huggins Gas Unit No. 1 #3 | 13,500 | 45931347 |
| 628591Amendment | Nov 7, 2006 | Nov 7, 2006 | XTO Energy Inc. | Huggins Gas Unit No. 1 #3 | 13,500 | 45931347 |
| 628573 | Nov 6, 2006 | Nov 6, 2006 | Txok Texas Energy Resources,l.p. | Gladewater GU 8 #6 | 11,300 | 45931346 |
| 627971 | Oct 30, 2006 | Oct 30, 2006 | El Paso E & P Company, L. P. | Martin "L" #6 | 12,100 | 45931199 |
| 627966 | Oct 30, 2006 | Oct 30, 2006 | El Paso E & P Company, L. P. | Martin "L" #2 | 12,100 | 45931148 |
| 627126 | Oct 23, 2006 | Oct 23, 2006 | Txok Texas Energy Resources,l.p. | Rubey Estate GU #7 | 11,300 | 45931344 |
| 627692 | Oct 17, 2006 | Oct 17, 2006 | Cordillera Texas, L.P. | D. A. Collie Gas Unit #5 | 12,000 | 45931345 |
| 627056 | Oct 11, 2006 | Oct 11, 2006 | Cordillera Texas, L.P. | Coyle, N. L. #8 | 12,000 | 45931343 |
| 626828 | Oct 9, 2006 | Oct 9, 2006 | Txok Texas Energy Resources,l.p. | Amoco Brawley #9 | 11,300 | 45931342 |
| 626804 | Oct 9, 2006 | Oct 9, 2006 | Txok Texas Energy Resources,l.p. | Amoco Brawley #7 | 11,300 | 45931341 |
| 624804 | Oct 3, 2006 | Oct 3, 2006 | Exxon Mobil Corporation | Delrose Gas Unit 4 #2HH | 13,000 | 45931325 |
| 626308 | Sep 29, 2006 | Sep 29, 2006 | XTO Energy Inc. | Breyer, J. A. #1 | 12,000 | 45931339 |
| 626351 | Sep 28, 2006 | Sep 28, 2006 | Txok Texas Energy Resources,l.p. | Amoco Brawley #08 | 11,300 | 45931340 |
| 626245 | Sep 20, 2006 | Sep 20, 2006 | Neumin Production Company | Roy Gage #1 | 12,500 | 45931332 |
| 625938 | Sep 15, 2006 | Sep 15, 2006 | El Paso E & P Company, L. P. | Chout 2 #2 | 12,500 | 45931331 |
| 625937 | Sep 14, 2006 | Sep 14, 2006 | El Paso E & P Company, L. P. | Martin "L" Unit #10 | 12,500 | 45931330 |
| 608331 | Sep 14, 2006 | Sep 14, 2006 | Sulphur River Exploration, Inc. | Indian Rock Gas Unit No. 9 #4 | 12,020 | 45931020 |
| 625808 | Sep 13, 2006 | Sep 13, 2006 | El Paso E & P Company, L. P. | South Gilmer Gas Unit No. 1 #4 | 12,200 | 45931329 |
| 624698 | Sep 13, 2006 | Sep 13, 2006 | Burk Royalty Co., Ltd. | Ray #1 | 12,000 | 45931324 |
| 625758 | Sep 12, 2006 | Sep 12, 2006 | Goodrich Petroleum Company | McFatridge #1 | 12,800 | 45931328 |
| 625634 | Sep 8, 2006 | Sep 8, 2006 | Neumin Production Company | Hubre Johnson #1 | 12,200 | 45931327 |
| 625634Amendment | Sep 8, 2006 | Sep 8, 2006 | Matador Production Company | Hubre Johnson #1 | 12,200 | 45931327 |
| 625409 | Sep 7, 2006 | Sep 7, 2006 | Cordillera Texas, L.P. | J. E. Snow Gas Unit #6 | 12,000 | 45931326 |
| 624815 | Aug 23, 2006 | Aug 23, 2006 | El Paso E & P Company, L. P. | Sabine River #1 | 12,100 | 45931267 |
| 623463 | Aug 3, 2006 | Aug 3, 2006 | Txok Texas Energy Resources,l.p. | White, Frank #2 | 11,300 | 45931323 |
| 623433 | Aug 3, 2006 | Aug 3, 2006 | Txok Texas Energy Resources,l.p. | Amoco Brawley #4 | 11,300 | 45931322 |
| 623199 | Jul 25, 2006 | Jul 25, 2006 | Cordillera Texas, L.P. | Reynolds Gas Unit #3 | 12,000 | 45931321 |
| 621412 | Jun 22, 2006 | Jun 22, 2006 | Sulphur River Exploration, Inc. | Laughlin #4 | 13,000 | 45931320 |
| 621263 | Jun 20, 2006 | Jun 20, 2006 | Devon Energy Production Co, L.P. | Marsh, T.D. #1 | 11,850 | 45930652 |
| 618258 | Jun 20, 2006 | Jun 20, 2006 | Txok Texas Energy Resources,l.p. | Barksdale Gas Unit #11 | 11,300 | 45931317 |
| 619799 | Jun 1, 2006 | Jun 1, 2006 | Txok Texas Energy Resources,l.p. | John Barksdale GU #10 | 11,300 | 45931319 |
| 619729 | May 23, 2006 | May 23, 2006 | Peak Energy Corporation | J.V. Craig Gas Unit #5 | 12,100 | 45931318 |
| 618400 | May 1, 2006 | May 1, 2006 | Sulphur River Exploration, Inc. | Clemens Unit #1 | 11,900 | 45930011 |
| 617717 | Apr 21, 2006 | Apr 21, 2006 | Burk Royalty Co., Ltd. | Farris #1 | 12,600 | 45931316 |
| 617509 | Apr 17, 2006 | Apr 17, 2006 | Peak Energy Corporation | J.V. Craig Gas Unit #6 | 12,100 | 45931315 |
| 617211 | Apr 12, 2006 | Apr 12, 2006 | Stroud Petroleum, Inc. | Gregory #2 | 10,750 | 45931314 |
| 617095 | Apr 6, 2006 | Apr 6, 2006 | Apache Corporation | Wright Gas Unit No. 1 #3 | 15,000 | 45931313 |
| 616871 | Apr 3, 2006 | Apr 3, 2006 | Samson Lone Star LP | Buchanan Gas Unit #1 | 11,500 | 45931312 |
| 616871Amendment | Apr 3, 2006 | Apr 3, 2006 | Samson Lone Star LP | Buchanan Gas Unit #1 | 12,000 | 45931312 |
| 616728 | Apr 3, 2006 | Apr 3, 2006 | Devon Energy Production Co, L.P. | Hill, L. C. #2 | 12,100 | 45931311 |
| 616130 | Mar 21, 2006 | Mar 21, 2006 | McBee Operating Company, L.L.C. | Young Gas Unit No. 1 #5 | 11,500 | 45931310 |
| 614885 | Mar 16, 2006 | Mar 16, 2006 | Nadel and Gussman, L.L.C. | Tillery, John D. #2 | 12,050 | 45931243 |
| 614885Amendment | Mar 16, 2006 | Mar 16, 2006 | Nadel and Gussman, L.L.C. | Tillery, John D. #2 | 12,050 | 45931243 |
| 612411 | Mar 10, 2006 | Mar 10, 2006 | El Paso Production Company | South Gilmer Gas Unit No. 1 #3 | 12,200 | 45931300 |
| 615245 | Mar 6, 2006 | Mar 6, 2006 | El Paso Production Company | Williams Gas Unit No. 1 #10 | 12,500 | 45931309 |
| 615245Amendment | Mar 6, 2006 | Mar 6, 2006 | El Paso Production Company | Williams Gas Unit No. 1 #10 | 12,500 | 45931309 |
| 615032 | Mar 1, 2006 | Mar 1, 2006 | El Paso Production Company | Inman Gas Unit No. 1 #10 | 12,500 | 45931308 |
| 614389 | Feb 27, 2006 | Feb 27, 2006 | Txok Texas Energy Resources,l.p. | Buffco Brawley #3 | 11,300 | 45931306 |
| 614389Amendment | Feb 27, 2006 | Feb 27, 2006 | Txok Texas Energy Resources,l.p. | Buffco Brawley #3 | 11,300 | 45931306 |
| 614315 | Feb 27, 2006 | Feb 27, 2006 | XTO Energy Inc. | Jsmj Investments Gas Unit #1 | 12,300 | 45931305 |
| 614477 | Feb 23, 2006 | Feb 23, 2006 | Txok Texas Energy Resources,l.p. | Barksdale, John #12 | 11,300 | 45931307 |
| 613802 | Feb 15, 2006 | Feb 15, 2006 | McBee Operating Company, L.L.C. | Porter Gas Unit #1 #5 | 11,500 | 45931304 |
| 613239 | Jan 30, 2006 | Jan 30, 2006 | El Paso Production Company | Martin "L" Unit #8 | 12,500 | 45931303 |
| 612564 | Jan 23, 2006 | Jan 23, 2006 | Txok Texas Energy Resources,l.p. | Gladewater GU 16 #19 | 11,300 | 45931302 |
| 612558 | Jan 20, 2006 | Jan 20, 2006 | Txok Texas Energy Resources,l.p. | Gladewater GU 16 #18 | 11,300 | 45931301 |
| 612066 | Jan 13, 2006 | Jan 13, 2006 | Txok Texas Energy Resources,l.p. | Gladewater GU 06 #05 | 11,300 | 45931298 |
| 612214 | Jan 11, 2006 | Jan 11, 2006 | Verado Energy, Inc. | Vera Ross Gas Unit 1 #5 | 13,000 | 45931299 |
| 611838 | Jan 9, 2006 | Jan 9, 2006 | Rabbit Foot Oil Company, Inc. | Margie Walker Fischer Oil Unit #1 | 4,000 | 45931297 |
| 610641 | Jan 3, 2006 | Jan 3, 2006 | Sojourner Drilling Corporation | McCollum Gas Unit #3 | 12,000 | 45931136 |
| 611288 | Dec 20, 2005 | Dec 20, 2005 | Txok Texas Energy Resources,l.p. | Amoco Brawley #05 | 11,300 | 45931296 |
| 611097 | Dec 15, 2005 | Dec 15, 2005 | Apache Corporation | Johnson Gas Unit #3 | 14,000 | 45931295 |
| 610813 | Dec 14, 2005 | Dec 14, 2005 | Key Production Company, Inc. | McCaslin-Hall #2 | 12,000 | 45931294 |
| 610772 | Dec 12, 2005 | Dec 12, 2005 | Sulphur River Exploration, Inc. | Dean #1 | 12,100 | 45931293 |
| 610301 | Dec 5, 2005 | Dec 5, 2005 | Devon Louisiana Corporation | Hill, L. C. #1 | 11,840 | 45930660 |
| 610253 | Nov 30, 2005 | Nov 30, 2005 | Txok Texas Energy Resources,l.p. | Victory #06 | 11,200 | 45931292 |
| 610253Amendment | Nov 30, 2005 | Nov 30, 2005 | Txok Texas Energy Resources,l.p. | S. P. Victory Gas Unit #06 | 11,200 | 45931292 |
| 610126 | Nov 28, 2005 | Nov 28, 2005 | El Paso Production Company | Enoch #1 | 12,500 | 45931291 |
| 609875 | Nov 22, 2005 | Nov 22, 2005 | Vintage Petroleum, Inc. | Coyle, N. L. #5 | 12,500 | 45931290 |
| 608752 | Nov 1, 2005 | Nov 1, 2005 | Apache Corporation | Moughon Gas Unit #3 | 14,000 | 45931289 |
| 608750 | Nov 1, 2005 | Nov 1, 2005 | Apache Corporation | Moughon Gas Unit #2 | 14,000 | 45931288 |
| 608620 | Oct 28, 2005 | Oct 28, 2005 | Sulphur River Exploration, Inc. | Indiana Rock Gas Unit No. 5 #6 | 13,000 | 45931034 |
| 608163 | Oct 20, 2005 | Oct 20, 2005 | Vintage Petroleum, Inc. | Coyle, N. L. #4 | 12,500 | 45931287 |