| 539300 | Dec 4, 2003 | Dec 4, 2003 | Devon Energy Operating Co., L.P. | Sewell Ranch "B" #8 | 9,000 | 49735459 |
| 539300Amendment | Dec 4, 2003 | Dec 4, 2003 | Devon Energy Operating Co., L.P. | Sewell Ranch "B" #8 | 9,000 | 49735459 |
| 539105 | Dec 4, 2003 | Dec 4, 2003 | Roil Mineral & Land Co. | Roil BLM 390-13 #1 | 7,700 | 49735458 |
| 538958 | Nov 24, 2003 | Nov 24, 2003 | Devon Energy Operating Co., L.P. | Zartman, W. S. #1 | 6,250 | 49700626 |
| 538957 | Nov 24, 2003 | Nov 24, 2003 | Devon Energy Operating Co., L.P. | Slimp, J. #9 | 9,000 | 49735456 |
| 538831 | Nov 20, 2003 | Nov 20, 2003 | Devon Energy Operating Co., L.P. | Mares, H. F. Jr. #8HH | 9,000 | 49735455 |
| 538768 | Nov 19, 2003 | Nov 19, 2003 | Devon Energy Operating Co., L.P. | Wise, James E. #8D | 9,000 | 49735454 |
| 538716 | Nov 18, 2003 | Nov 18, 2003 | Winchester Production Company | Sauder, Jay #1H | 8,400 | 49735452 |
| 538716Amendment | Nov 18, 2003 | Nov 18, 2003 | Winchester Production Company | Sauder, Jay #1H | 8,400 | 49735452 |
| 538715 | Nov 18, 2003 | Nov 18, 2003 | Winchester Production Company | Harrington #3 | 8,200 | 49735453 |
| 538677 | Nov 17, 2003 | Nov 17, 2003 | Roil Mineral & Land Co. | Rich-Peysen #2 | 7,800 | 49735451 |
| 538637 | Nov 17, 2003 | Nov 17, 2003 | Texakoma Oil & Gas Corporation | Jordan #1 | 8,800 | 49735450 |
| 538637Amendment | Nov 17, 2003 | Nov 17, 2003 | Texakoma Oil & Gas Corporation | Jordan #1 | 8,800 | 49735450 |
| 538630 | Nov 14, 2003 | Nov 14, 2003 | Devon Energy Operating Co., L.P. | Adams-Southwest #8 | 6,200 | 49735449 |
| 538427 | Nov 14, 2003 | Nov 14, 2003 | Western Chief Oil & Gas Company | Ferguson, Crown #1 | 9,000 | 49735444 |
| 538426 | Nov 14, 2003 | Nov 14, 2003 | Western Chief Oil & Gas Company | Ferguson, Crown #3 | 9,000 | 49735443 |
| 538425 | Nov 14, 2003 | Nov 14, 2003 | Western Chief Oil & Gas Company | Ferguson, Crown #2 | 9,000 | 49735442 |
| 538590 | Nov 13, 2003 | Nov 13, 2003 | Devon Energy Operating Co., L.P. | Wcco 4 - Miller "G" #4 | 9,000 | 49735448 |
| 538586 | Nov 13, 2003 | Nov 13, 2003 | Devon Energy Operating Co., L.P. | Sewell Ranch "A" #5 | 7,600 | 49735447 |
| 538487 | Nov 12, 2003 | Nov 12, 2003 | Devon Energy Operating Co., L.P. | Wcco 4 - Wm. Miller GU 2 #12 | 9,000 | 49735445 |
| 538486 | Nov 12, 2003 | Nov 12, 2003 | Devon Energy Operating Co., L.P. | Miller, William "D" #3 | 9,000 | 49735446 |
| 538484 | Nov 12, 2003 | Nov 12, 2003 | Devon Energy Operating Co., L.P. | Young, Roy L. #1 | 3,606 | 49734836 |
| 538484Amendment | Nov 12, 2003 | Nov 12, 2003 | Devon Energy Operating Co., L.P. | Young, Roy L. #1 | 3,606 | 49734836 |
| 538327 | Nov 7, 2003 | Nov 7, 2003 | Antero Resources I, LP | White, Amy #1 | 7,260 | 49735440 |
| 538327Amendment | Nov 7, 2003 | Nov 7, 2003 | Antero Resources I, LP | White, Amy #1 | 7,260 | 49735440 |
| 538328 | Nov 6, 2003 | Nov 6, 2003 | Devon Energy Operating Co., L.P. | Wcco 4 - W. M. Miller #10E | 9,000 | 49735439 |
| 538138 | Nov 6, 2003 | Nov 6, 2003 | Hep Oil Company, Ltd. | Fletcher #3 | 9,200 | 49735436 |
| 538275 | Nov 5, 2003 | Nov 5, 2003 | Tema Oil and Gas Company | Stevens Gas Unit #6X | 8,500 | 49735438 |
| 538132 | Nov 4, 2003 | Nov 4, 2003 | Antero Resources I, LP | Vinson Fee I #1 | 7,500 | 49735435 |
| 538132Amendment | Nov 4, 2003 | Nov 4, 2003 | Antero Resources I, LP | Vinson Fee I #1 | 7,500 | 49735435 |
| 538146 | Nov 3, 2003 | Nov 3, 2003 | Winchester Production Company | Cocanougher, Charles #3H | 8,200 | 49735437 |
| 537967 | Oct 28, 2003 | Oct 28, 2003 | West Fork Tank Trucks, Inc. | Patton #2 | 3,000 | 49735433 |
| 537854 | Oct 23, 2003 | Oct 23, 2003 | Tema Oil and Gas Company | Stevens Gas Unit #7 | 8,500 | 49735431 |
| 537854Amendment | Oct 23, 2003 | Oct 23, 2003 | Tema Oil and Gas Company | Stevens Gas Unit #7 | 8,500 | 49735431 |
| 537853 | Oct 23, 2003 | Oct 23, 2003 | Tema Oil and Gas Company | Stevens Gas Unit #6 | 8,500 | 49735430 |
| 537852 | Oct 23, 2003 | Oct 23, 2003 | Tema Oil and Gas Company | Stevens Gas Unit #5 | 8,500 | 49735429 |
| 537717 | Oct 23, 2003 | Oct 23, 2003 | Enexco, Inc. | Fortenberry #1 | 9,000 | 49735426 |
| 537717Amendment | Oct 23, 2003 | Oct 23, 2003 | Enexco, Inc. | Fortenberry #1 | 9,000 | 49735426 |
| 537631 | Oct 23, 2003 | Oct 23, 2003 | Richey, Ray Management Co., Inc. | Wilson, Forman Wren #1 | 8,200 | 49735427 |
| 537791 | Oct 22, 2003 | Oct 22, 2003 | Devon Energy Operating Co., L.P. | Wcco 4 - Wm. Miller GU 2 #13 | 9,000 | 49735428 |
| 537706 | Oct 22, 2003 | Oct 22, 2003 | Lakota Energy, Ltd. | Lanham, L. N. #4 | 7,950 | 49735425 |
| 537757 | Oct 21, 2003 | Oct 21, 2003 | Aruba Petroleum, Inc. | Maxwell #1 | 9,000 | 49735424 |
| 537644 | Oct 17, 2003 | Oct 17, 2003 | Devon Energy Operating Co., L.P. | Wcco 4 - Miller B-2 #13 | 9,000 | 49735423 |
| 537584 | Oct 16, 2003 | Oct 16, 2003 | Devon Energy Operating Co., L.P. | Adami, G. E. #2 | 9,000 | 49735422 |
| 537550 | Oct 15, 2003 | Oct 15, 2003 | Devon Energy Operating Co., L.P. | Young, W.C. "Bill" #5 | 9,000 | 49735421 |
| 537506 | Oct 14, 2003 | Oct 14, 2003 | Devon Energy Operating Co., L.P. | Stella Young GU "A" #14HH | 9,000 | 49735420 |
| 537427 | Oct 10, 2003 | Oct 10, 2003 | Enexco, Inc. | Balthrop, Maggie #1 | 9,000 | 49735419 |
| 537425 | Oct 10, 2003 | Oct 10, 2003 | Tema Oil and Gas Company | Dobbins #7 | 9,000 | 49735418 |
| 537424 | Oct 10, 2003 | Oct 10, 2003 | Tema Oil and Gas Company | Dobbins #8 | 9,000 | 49735417 |
| 537387 | Oct 10, 2003 | Oct 10, 2003 | Devon Energy Operating Co., L.P. | Cleveland, W.F. #3 | 6,300 | 49735416 |
| 537387Amendment | Oct 10, 2003 | Oct 10, 2003 | Devon Energy Operating Co., L.P. | Cleveland, W.F. #3 | 6,300 | 49735416 |
| 537344 | Oct 9, 2003 | Oct 9, 2003 | Devon Energy Operating Co., L.P. | Dan B. Maeyers Gas Unit "A" #6 | 9,000 | 49735415 |
| 536234 | Oct 9, 2003 | Oct 9, 2003 | Devon Energy Operating Co., L.P. | Wcco 4 - H. H. Logan #9 | 9,000 | 49735389 |
| 536233 | Oct 9, 2003 | Oct 9, 2003 | Devon Energy Operating Co., L.P. | Wcco 4 - H. H. Logan #8 | 9,000 | 49735388 |
| 537293 | Oct 8, 2003 | Oct 8, 2003 | Ryder Scott Oil Co. | Pruett Prospect Unit #6 | 8,200 | 49735413 |
| 537292 | Oct 8, 2003 | Oct 8, 2003 | Ryder Scott Oil Co. | McCurdy #4 | 8,200 | 49735414 |
| 537275 | Oct 8, 2003 | Oct 8, 2003 | Texakoma Oil & Gas Corporation | Gardner #1 | 8,800 | 49735412 |
| 537274 | Oct 7, 2003 | Oct 7, 2003 | Star of Texas Energy Srvs, Inc. | Wright-Star Unit No. 1 #2H | 7,500 | 49735411 |
| 537110 | Oct 6, 2003 | Oct 6, 2003 | Antero Resources I, LP | Vinson Fee F #7 | 7,300 | 49735409 |
| 537127 | Oct 3, 2003 | Oct 3, 2003 | Devon Energy Operating Co., L.P. | Hughes, D. J. #35 | 6,300 | 49735410 |
| 537029 | Oct 1, 2003 | Oct 1, 2003 | Devon Energy Operating Co., L.P. | Wcco 4 - Georgie Fitch #8 | 9,000 | 49735408 |
| 536987 | Sep 30, 2003 | Sep 30, 2003 | Winchester Production Company | Collins #4 | 8,100 | 49735407 |
| 536889 | Sep 26, 2003 | Sep 26, 2003 | Winchester Production Company | Skinner, Joe #3 | 8,100 | 49735406 |
| 536762 | Sep 26, 2003 | Sep 26, 2003 | Briar Energy Corporation | Hilton, E. G. #1 | 8,500 | 49735403 |
| 536762Amendment | Sep 26, 2003 | Sep 26, 2003 | Briar Energy Corporation | Hilton, E. G. #1 | 8,500 | 49735403 |
| 536710 | Sep 26, 2003 | Sep 26, 2003 | Antero Resources I, LP | Vinson Fee G #18 | 7,323 | 49735404 |
| 536834 | Sep 25, 2003 | Sep 25, 2003 | Dale, Doyle C. | Dale, Doyle C. #2 | 4,000 | 49735405 |
| 536644 | Sep 22, 2003 | Sep 22, 2003 | Rife Energy Operating, Inc. | Wilson #1 | 8,700 | 49735402 |
| 536644Amendment | Sep 22, 2003 | Sep 22, 2003 | Rife Energy Operating, Inc. | Wilson #1 | 8,700 | 49735402 |
| 536619 | Sep 19, 2003 | Sep 19, 2003 | Devon Energy Operating Co., L.P. | M. L. Patterson GU "A" #6 | 9,000 | 49735401 |
| 536581 | Sep 18, 2003 | Sep 18, 2003 | Devon Energy Operating Co., L.P. | Clough, Michael #5 | 9,000 | 49735400 |
| 536534 | Sep 17, 2003 | Sep 17, 2003 | Devon Energy Operating Co., L.P. | Whitesell, Katerine "A" #3 | 9,000 | 49735399 |
| 536508 | Sep 16, 2003 | Sep 16, 2003 | Star of Texas Energy Srvs, Inc. | Wright-Star Unit No. 1 #1H | 7,500 | 49735398 |
| 536444 | Sep 15, 2003 | Sep 15, 2003 | Devon Energy Operating Co., L.P. | Bentley, James D. #4HH | 9,000 | 49735397 |
| 536444Amendment | Sep 15, 2003 | Sep 15, 2003 | Devon Energy Operating Co., L.P. | Bentley, James D. #4HH | 9,000 | 49735397 |
| 536312 | Sep 11, 2003 | Sep 11, 2003 | Chief Oil & Gas LLC | Rawle #4HH | 8,900 | 49735396 |
| 536311 | Sep 11, 2003 | Sep 11, 2003 | Devon Energy Operating Co., L.P. | Adele Clough GU 2 #20 | 9,000 | 49735395 |
| 536309 | Sep 11, 2003 | Sep 11, 2003 | Devon Energy Operating Co., L.P. | Johnson, W. D. "A" #26 | 9,000 | 49735392 |
| 536308 | Sep 11, 2003 | Sep 11, 2003 | Devon Energy Operating Co., L.P. | Johnson, W. D. "A" #24 | 9,000 | 49735393 |
| 536307 | Sep 11, 2003 | Sep 11, 2003 | Devon Energy Operating Co., L.P. | Adele Clough GU 2 #19 | 9,000 | 49735394 |
| 536307Amendment | Sep 11, 2003 | Sep 11, 2003 | Devon Energy Operating Co., L.P. | Adele Clough GU 2 #19 | 9,000 | 49735394 |
| 536283 | Sep 10, 2003 | Sep 10, 2003 | Devon Energy Operating Co., L.P. | Stella Young GU #15 | 9,000 | 49735391 |
| 536262 | Sep 10, 2003 | Sep 10, 2003 | Winchester Production Company | Sauder, Alane #3H | 8,400 | 49735390 |
| 536199 | Sep 10, 2003 | Sep 10, 2003 | Antero Resources I, LP | Vinson Fee F #2 | 7,310 | 49735387 |
| 535332 | Sep 10, 2003 | Sep 10, 2003 | Chief Oil & Gas LLC | Donaldson Unit #6 | 3,900 | 49735366 |
| 536191 | Sep 8, 2003 | Sep 8, 2003 | Antero Resources I, LP | Huddleston Trust Unit #7 | 7,400 | 49735386 |
| 536155 | Sep 8, 2003 | Sep 8, 2003 | Roil Mineral & Land Co. | Wolfe-Guinn-Renfro #7 | 7,450 | 49735385 |
| 536154 | Sep 8, 2003 | Sep 8, 2003 | Devon Energy Operating Co., L.P. | McAlister, O.H. #19 | 9,000 | 49735384 |
| 536064 | Sep 4, 2003 | Sep 4, 2003 | Devon Energy Operating Co., L.P. | Wcco 4 - H. H. Logan #7 | 9,000 | 49735383 |
| 535835 | Sep 4, 2003 | Sep 4, 2003 | Texakoma Oil & Gas Corporation | Greenwood #2 | 8,800 | 49735377 |
| 535940 | Sep 2, 2003 | Sep 2, 2003 | Devon Energy Operating Co., L.P. | Dan B. Maeyers Gas Unit "A" #5 | 9,000 | 49735382 |
| 535885 | Aug 29, 2003 | Aug 29, 2003 | Devon Energy Operating Co., L.P. | Crabtree #7 | 9,000 | 49735381 |
| 535882 | Aug 29, 2003 | Aug 29, 2003 | Winchester Production Company | Harrington #2 | 8,200 | 49735380 |
| 535881 | Aug 29, 2003 | Aug 29, 2003 | Winchester Production Company | Barkley #4 | 8,200 | 49735379 |
| 535876 | Aug 28, 2003 | Aug 28, 2003 | Enexco, Inc. | Cassity #1 | 9,500 | 49735378 |
| 535784 | Aug 26, 2003 | Aug 26, 2003 | Devon Energy Operating Co., L.P. | Foster, Wanda #3 | 9,000 | 49735376 |
| 535768 | Aug 26, 2003 | Aug 26, 2003 | Hep Oil Company, Ltd. | Berg, R.S. #2 | 8,990 | 49732667 |
| 535755 | Aug 25, 2003 | Aug 25, 2003 | Devon Energy Operating Co., L.P. | Peterson, A. L. #17 | 9,000 | 49735375 |
| 535754 | Aug 25, 2003 | Aug 25, 2003 | Devon Energy Operating Co., L.P. | Shoop "A" #9 | 9,000 | 49735374 |
| 535693 | Aug 22, 2003 | Aug 22, 2003 | Devon Energy Operating Co., L.P. | W. D. Johnson "B" #23 | 9,000 | 49735373 |