| 662548 | Jun 9, 2008 | Jun 9, 2008 | Williams Prod. Gulf Coast, L.P. | Cunnius-Wilhite #8HH | 7,710 | 49736555 |
| 662548Amendment | Jun 9, 2008 | Jun 9, 2008 | Williams Prod. Gulf Coast, L.P. | Cunnius-Wilhite #8HH | 7,710 | 49736555 |
| 662485 | Jun 9, 2008 | Jun 9, 2008 | Devon Energy Production Co, L.P. | Jack Molloy #5HH | 9,000 | 49736554 |
| 662481 | Jun 9, 2008 | Jun 9, 2008 | Devon Energy Production Co, L.P. | Jack Molloy #4HH | 9,000 | 49736553 |
| 661876 | Jun 9, 2008 | Jun 9, 2008 | Western Chief Operating, L.L.C. | Carter #2HH | 8,000 | 49736552 |
| 661876Amendment | Jun 9, 2008 | Jun 9, 2008 | Western Chief Operating, L.L.C. | Carter #2HH | 8,000 | 49736552 |
| 661875 | Jun 9, 2008 | Jun 9, 2008 | Western Chief Operating, L.L.C. | Carter #1HH | 8,000 | 49736551 |
| 662325 | Jun 7, 2008 | Jun 7, 2008 | Barnes Oil & Gas LLC | Methodist Children's Home #1HH | 9,000 | 49736549 |
| 662344 | Jun 6, 2008 | Jun 6, 2008 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #42BD | 9,000 | 49736550 |
| 662344Amendment | Jun 6, 2008 | Jun 6, 2008 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #42BD | 9,000 | 49736550 |
| 662296 | Jun 6, 2008 | Jun 6, 2008 | Burlington Resources O & G Co LP | Gage-Pitts Unit #4HH | 9,000 | 49736546 |
| 662295 | Jun 6, 2008 | Jun 6, 2008 | Devon Energy Production Co, L.P. | J.T. Meadows #5HH | 9,000 | 49736547 |
| 662293 | Jun 6, 2008 | Jun 6, 2008 | Devon Energy Production Co, L.P. | J.T. Meadows #4HH | 9,000 | 49736556 |
| 662289 | Jun 6, 2008 | Jun 6, 2008 | Devon Energy Production Co, L.P. | Jack Molloy #6HH | 9,000 | 49736545 |
| 662289Amendment | Jun 6, 2008 | Jun 6, 2008 | Devon Energy Production Co, L.P. | Jack Molloy #6HH | 9,000 | 49736545 |
| 662287 | Jun 6, 2008 | Jun 6, 2008 | Devon Energy Production Co, L.P. | J.T. Meadows #3HH | 9,000 | 49736544 |
| 662198 | Jun 5, 2008 | Jun 5, 2008 | Tema Oil and Gas Company | Fowler #2HH | 6,935 | 49736542 |
| 662197 | Jun 5, 2008 | Jun 5, 2008 | Tema Oil and Gas Company | Fowler #1 | 6,990 | 49736543 |
| 662053 | Jun 4, 2008 | Jun 4, 2008 | Encana Oil & Gas(usa) Inc. | Charles Cocanougher #4HH | 9,000 | 49736540 |
| 662396 | May 29, 2008 | May 29, 2008 | Western Chief Operating, L.L.C. | Dwight Dodson Unit #2 HH | 8,000 | 49736541 |
| 661652 | May 29, 2008 | May 29, 2008 | Merit Energy Company | J. N. Valcik #2HH | 11,175 | 49736538 |
| 661640 | May 29, 2008 | May 29, 2008 | Merit Energy Company | J. N. Valcik #1HH | 13,900 | 49736539 |
| 661640Amendment | May 29, 2008 | May 29, 2008 | Merit Energy Company | J. N. Valcik #1HH | 13,900 | 49736539 |
| 661576 | May 28, 2008 | May 28, 2008 | Denbury Onshore, LLC | Estes-Bradshaw #9H | 7,000 | 49736536 |
| 661590 | May 27, 2008 | May 27, 2008 | Devon Energy Production Co, L.P. | Anna W. Woody Gas Unit #13HH | 9,000 | 49736537 |
| 661360 | May 23, 2008 | May 23, 2008 | Devon Energy Production Co, L.P. | L.B.M. Bryan Gas Unit #4HH | 9,000 | 49736535 |
| 661114 | May 23, 2008 | May 23, 2008 | Triad Exploration, Ltd. | Regal-Boonesville #1H | 11,000 | 49736534 |
| 661049 | May 21, 2008 | May 21, 2008 | Devon Energy Production Co, L.P. | Griffeth, June L. #6 | 5,200 | 49735061 |
| 660986 | May 20, 2008 | May 20, 2008 | Devon Energy Production Co, L.P. | A.J. Livengood #5HH | 9,000 | 49736533 |
| 660972 | May 20, 2008 | May 20, 2008 | Devon Energy Production Co, L.P. | A.J. Livengood #4HH | 9,000 | 49736532 |
| 660968 | May 20, 2008 | May 20, 2008 | Devon Energy Production Co, L.P. | Livengood, A. J. #3HH | 9,000 | 49736531 |
| 660697 | May 15, 2008 | May 15, 2008 | Burlington Resources O & G Co LP | Gage-Pitts Unit #3HH | 9,000 | 49736529 |
| 660697Amendment | May 15, 2008 | May 15, 2008 | Burlington Resources O & G Co LP | Gage-Pitts Unit #3HH | 9,000 | 49736529 |
| 660483 | May 14, 2008 | May 14, 2008 | Merit Energy Company | G. H. Cocanougher B #1HH | 11,700 | 49736530 |
| 654186 | May 14, 2008 | May 14, 2008 | Denbury Onshore, LLC | Estes-Bradshaw #6H | 7,000 | 49736485 |
| 660316 | May 8, 2008 | May 8, 2008 | Barnes Oil & Gas LLC | Hodges #2HH | 9,000 | 49736528 |
| 658436 | May 8, 2008 | May 8, 2008 | J-W Operating Co. | H. M. Potter Gas Unit #15HH | 15,000 | 49736501 |
| 660313 | May 7, 2008 | May 7, 2008 | Devon Energy Production Co, L.P. | Matt Clark GU "B" #4HH | 9,000 | 49736527 |
| 660312 | May 7, 2008 | May 7, 2008 | Devon Energy Production Co, L.P. | Matt Clark GU "B" #3HH | 9,000 | 49736526 |
| 660110 | May 2, 2008 | May 2, 2008 | Devon Energy Production Co, L.P. | Bridges, W. B. #2HH | 9,000 | 49736525 |
| 659938 | May 1, 2008 | May 1, 2008 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #34BD | 9,000 | 49736524 |
| 659938Amendment | May 1, 2008 | May 1, 2008 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #34B | 8,230 | 49736524 |
| 659936 | May 1, 2008 | May 1, 2008 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #33BD | 9,000 | 49736523 |
| 659936Amendment | May 1, 2008 | May 1, 2008 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #33BD | 9,000 | 49736523 |
| 659917 | May 1, 2008 | May 1, 2008 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #32BD | 9,000 | 49736522 |
| 659917Amendment | May 1, 2008 | May 1, 2008 | Burlington Resources O & G Co LP | Crystelle Waggoner Gas Unit #32BD | 9,000 | 49736522 |
| 659850 | Apr 30, 2008 | Apr 30, 2008 | Devon Energy Production Co, L.P. | Smith, Ernest "A" #1HH | 9,000 | 49736521 |
| 659698 | Apr 30, 2008 | Apr 30, 2008 | Braden Exploration, LLC | Moore #2HH | 8,500 | 49736518 |
| 659698Amendment | Apr 30, 2008 | Apr 30, 2008 | Enervest Operating, L.L.C. | Moore Gas Unit #2HH | 8,500 | 49736518 |
| 659697 | Apr 30, 2008 | Apr 30, 2008 | Braden Exploration, LLC | Moore #1HH | 8,500 | 49736517 |
| 659697Amendment | Apr 30, 2008 | Apr 30, 2008 | Enervest Operating, L.L.C. | Moore Gas Unit #1HH | 8,500 | 49736517 |
| 659818 | Apr 29, 2008 | Apr 29, 2008 | Devon Energy Production Co, L.P. | T.W. Loffland Estate #2HH | 9,000 | 49736520 |
| 659785 | Apr 29, 2008 | Apr 29, 2008 | Devon Energy Production Co, L.P. | G.B. Portwood Gas Unit "A" #2HH | 9,000 | 49736519 |
| 658385 | Apr 17, 2008 | Apr 17, 2008 | Lakota Energy, Ltd. | Reba Hunn #3 | 7,350 | 49736497 |
| 658636 | Apr 15, 2008 | Apr 15, 2008 | Barnes Oil & Gas LLC | Hodges #1HH | 9,000 | 49736512 |
| 656014 | Apr 15, 2008 | Apr 15, 2008 | Williams Prod. Gulf Coast, L.P. | Cunnius-Wilhite #6HH | 7,700 | 49736515 |
| 656013 | Apr 15, 2008 | Apr 15, 2008 | Williams Prod. Gulf Coast, L.P. | Cunnius-Wilhite #5HH | 7,700 | 49736514 |
| 658668 | Apr 14, 2008 | Apr 14, 2008 | Devon Energy Production Co, L.P. | D.T. Bowles GU "A" #7HH | 9,000 | 49736510 |
| 658459 | Apr 14, 2008 | Apr 14, 2008 | Devon Energy Production Co, L.P. | Huddleston "C-D" (SA) #1HH | 9,000 | 49736505 |
| 658372 | Apr 14, 2008 | Apr 14, 2008 | Devon Energy Production Co, L.P. | Johnson "A"-Johnson "D" (SA) #2HH | 9,000 | 49736496 |
| 658624 | Apr 12, 2008 | Apr 12, 2008 | Encana Oil & Gas(usa) Inc. | Collins #7HH | 9,000 | 49736509 |
| 658623 | Apr 12, 2008 | Apr 12, 2008 | Encana Oil & Gas(usa) Inc. | Collins #6HH | 9,000 | 49736508 |
| 658542 | Apr 12, 2008 | Apr 12, 2008 | Encana Oil & Gas(usa) Inc. | Forman "B" #4HH | 9,000 | 49736507 |
| 658476 | Apr 12, 2008 | Apr 12, 2008 | Devon Energy Production Co, L.P. | Lambert, Charlie "A" #5HH | 9,000 | 49736506 |
| 658452 | Apr 12, 2008 | Apr 12, 2008 | Encana Oil & Gas(usa) Inc. | Cocanougher "287" #9HH | 9,000 | 49736504 |
| 658452Amendment | Apr 12, 2008 | Apr 12, 2008 | Encana Oil & Gas(usa) Inc. | Cocanougher "287" #9HH | 9,000 | 49736504 |
| 658447 | Apr 12, 2008 | Apr 12, 2008 | Encana Oil & Gas(usa) Inc. | Cocanougher "287" #8HH | 9,000 | 49736503 |
| 658428 | Apr 12, 2008 | Apr 12, 2008 | Merit Energy Company | R.F. McDermott #1HH | 12,100 | 49736500 |
| 655442 | Apr 11, 2008 | Apr 11, 2008 | Williams Prod. Gulf Coast, L.P. | Cunnius-Wilhite #4HH | 7,630 | 49736513 |
| 658278 | Apr 10, 2008 | Apr 10, 2008 | Encana Oil & Gas(usa) Inc. | Collins #9HH | 9,000 | 49736494 |
| 658245 | Apr 10, 2008 | Apr 10, 2008 | Encana Oil & Gas(usa) Inc. | Collins #10HH | 9,000 | 49736492 |
| 658236 | Apr 10, 2008 | Apr 10, 2008 | Encana Oil & Gas(usa) Inc. | Collins #8HH | 9,000 | 49736493 |
| 658276 | Apr 9, 2008 | Apr 9, 2008 | Aruba Petroleum, Inc. | Parker #1HH | 9,000 | 49736502 |
| 658138 | Apr 8, 2008 | Apr 8, 2008 | Devon Energy Production Co, L.P. | James D. Bentley #7HH | 9,000 | 49736491 |
| 658133 | Apr 8, 2008 | Apr 8, 2008 | Devon Energy Production Co, L.P. | James D. Bentley #6HH | 9,000 | 49736490 |
| 654249 | Apr 8, 2008 | Apr 8, 2008 | Williams Prod. Gulf Coast, L.P. | Whorton #10HH | 7,880 | 49736499 |
| 654248 | Apr 4, 2008 | Apr 4, 2008 | Williams Prod. Gulf Coast, L.P. | Whorton #9HH | 7,880 | 49736498 |
| 653946 | Apr 4, 2008 | Apr 4, 2008 | Burlington Resources O & G Co LP | C. W. "B" #34HH | 9,000 | 49736495 |
| 653946Amendment | Apr 4, 2008 | Apr 4, 2008 | Burlington Resources O & G Co LP | C. W. "B" #34HH | 9,000 | 49736495 |
| 657538 | Mar 28, 2008 | Mar 28, 2008 | McCutchin Petroleum Corporation | Coursey #2HH | 9,000 | 49736489 |
| 657538Amendment | Mar 28, 2008 | Mar 28, 2008 | McCutchin Petroleum Corporation | Coursey Unit #2HH | 9,000 | 49736489 |
| 657501 | Mar 27, 2008 | Mar 27, 2008 | Encana Oil & Gas(usa) Inc. | Forman A #501 | 9,000 | 49736488 |
| 657052 | Mar 21, 2008 | Mar 21, 2008 | Richey, Ray Management Co., Inc. | Columbia-Johnson Unit #4HH | 7,200 | 49736484 |
| 657034 | Mar 21, 2008 | Mar 21, 2008 | Braden Exploration, LLC | Lynch #2HH | 8,500 | 49736487 |
| 657029 | Mar 21, 2008 | Mar 21, 2008 | Braden Exploration, LLC | Lynch #1HH | 8,500 | 49736486 |
| 656977 | Mar 20, 2008 | Mar 20, 2008 | Barnes Oil & Gas LLC | Vollintine Land and Cattle Co #1HH | 9,000 | 49736483 |
| 656728 | Mar 18, 2008 | Mar 18, 2008 | Devon Energy Production Co, L.P. | Johnson, W. D. "A" #34HH | 9,000 | 49736481 |
| 656722 | Mar 17, 2008 | Mar 17, 2008 | Devon Energy Production Co, L.P. | Johnson, W. D. "A" #33HH | 9,000 | 49736480 |
| 656699 | Mar 17, 2008 | Mar 17, 2008 | Devon Energy Production Co, L.P. | W.D. Johnson "A" #32HH | 9,000 | 49736479 |
| 656693 | Mar 17, 2008 | Mar 17, 2008 | Devon Energy Production Co, L.P. | W.D. Johnson "A" #30HH | 9,000 | 49736478 |
| 656693Amendment | Mar 17, 2008 | Mar 17, 2008 | Devon Energy Production Co, L.P. | Johnson, W. D. "A" #30HH | 9,000 | 49736478 |
| 656550 | Mar 12, 2008 | Mar 12, 2008 | Devon Energy Production Co, L.P. | J.T. Rawle #3HH | 9,000 | 49736476 |
| 656548 | Mar 12, 2008 | Mar 12, 2008 | Devon Energy Production Co, L.P. | J.T. Rawle #2HH | 9,000 | 49736477 |
| 656543 | Mar 12, 2008 | Mar 12, 2008 | Devon Energy Production Co, L.P. | J.T. Rawle #1HH | 9,000 | 49736475 |
| 656451 | Mar 11, 2008 | Mar 11, 2008 | Dune Operating Company | Gamble #1HH | 9,500 | 49736473 |
| 653944 | Mar 11, 2008 | Mar 11, 2008 | Burlington Resources O & G Co LP | C. W. "B" #33HH | 9,000 | 49736482 |
| 653944Amendment | Mar 11, 2008 | Mar 11, 2008 | Burlington Resources O & G Co LP | C. W. "B" #33HH | 9,000 | 49736482 |
| 656343 | Mar 7, 2008 | Mar 7, 2008 | Williams Prod. Gulf Coast, L.P. | Holt, Patty Jane #4HH | 7,855 | 49736472 |
| 656304 | Mar 7, 2008 | Mar 7, 2008 | Williams Prod. Gulf Coast, L.P. | Cunnius-Wilhite #7HH | 7,700 | 49736471 |
| 656801 | Mar 6, 2008 | Mar 6, 2008 | McCutchin Petroleum Corporation | Coursey #1AHH | 9,000 | 49736474 |