| 500879 | Oct 17, 2000 | Oct 17, 2000 | Mitchell Energy Corporation | Wcco 4 - Miller, W. M. #9E | 7,900 | 49734573 |
| 500878 | Oct 17, 2000 | Oct 17, 2000 | Mitchell Energy Corporation | Wcco 4-Miller B-2 #11J | 7,850 | 49734574 |
| 500878Amendment | Oct 17, 2000 | Oct 17, 2000 | Mitchell Energy Corporation | Wcco 4-Miller B-2 #11J | 7,850 | 49734574 |
| 500212 | Oct 17, 2000 | Oct 17, 2000 | Mitchell Energy Corporation | Bailey, S. R. #2 | 6,190 | 49732605 |
| 500497 | Oct 13, 2000 | Oct 13, 2000 | Mitchell Energy Corporation | Hufhines #5A | 5,830 | 49731105 |
| 500680 | Oct 12, 2000 | Oct 12, 2000 | Mitchell Energy Corporation | June L. Griffeth Gas Unit "A" #2 | 7,800 | 49734571 |
| 500679 | Oct 12, 2000 | Oct 12, 2000 | Mitchell Energy Corporation | Vandivier, Lavonia #1 | 6,800 | 49700609 |
| 500677 | Oct 12, 2000 | Oct 12, 2000 | Mitchell Energy Corporation | June L. Griffeth Gas Unit "A" #3 | 7,800 | 49734572 |
| 500539 | Oct 9, 2000 | Oct 9, 2000 | Mitchell Energy Corporation | Rowan Estate Trust #3 | 8,200 | 49734570 |
| 500431 | Oct 9, 2000 | Oct 9, 2000 | Ryder Scott Oil Co. | Peek #2 | 8,700 | 49734569 |
| 500241 | Oct 2, 2000 | Oct 2, 2000 | Mitchell Energy Corporation | Johnson, W. D. "D" #1 | 7,950 | 49734568 |
| 500240 | Oct 2, 2000 | Oct 2, 2000 | Mitchell Energy Corporation | Sewell Ranch "A" #4 | 7,600 | 49734567 |
| 499891 | Sep 25, 2000 | Sep 25, 2000 | Dallas Royalty, Inc. | Strickland #3 | 7,000 | 49734566 |
| 499863 | Sep 20, 2000 | Sep 20, 2000 | Tejas Western Corp. | Cole, M. T. #3A | 9,000 | 49734565 |
| 499673 | Sep 18, 2000 | Sep 18, 2000 | Mitchell Energy Corporation | Gage, C. L. "C" #1 | 6,150 | 49732166 |
| 499522 | Sep 12, 2000 | Sep 12, 2000 | Mitchell Energy Corporation | J. E. Norman Gas Unit "C" #2 | 8,050 | 49734563 |
| 499521 | Sep 12, 2000 | Sep 12, 2000 | Mitchell Energy Corporation | O. H. McAlister GU #11 | 7,800 | 49734564 |
| 499240 | Sep 12, 2000 | Sep 12, 2000 | Chief Oil & Gas LLC | Shoop #C 3 | 8,000 | 49734562 |
| 499120 | Aug 31, 2000 | Aug 31, 2000 | Enre Corp. | Strickland #10 | 8,500 | 49734561 |
| 499120Amendment | Aug 31, 2000 | Aug 31, 2000 | Enre, L.P. | Strickland #10 | 8,785 | 49734561 |
| 498918 | Aug 28, 2000 | Aug 28, 2000 | Mitchell Energy Corporation | Bowles, D. T. GU "A" #5H | 6,995 | 49733301 |
| 498662 | Aug 21, 2000 | Aug 21, 2000 | Trio Operating Company, Inc. | Cities #1 | 7,400 | 49734560 |
| 498431 | Aug 15, 2000 | Aug 15, 2000 | Cumming Company, Inc. The | Phillips, Creel #1 | 7,000 | 49734559 |
| 498459 | Aug 14, 2000 | Aug 14, 2000 | Mitchell Energy Corporation | T. W. Womack Unit #4 | 5,800 | 49731628 |
| 498374 | Aug 11, 2000 | Aug 11, 2000 | Mitchell Energy Corporation | Askey, W. A. #1 | 8,010 | 49733392 |
| 498361 | Aug 11, 2000 | Aug 11, 2000 | Dallas Production, Inc. | Gage #2 | 8,925 | 49734558 |
| 497977 | Aug 3, 2000 | Aug 3, 2000 | Mitchell Energy Corporation | Whitesell, Katherine "A" #2 | 7,450 | 49734557 |
| 497961 | Aug 2, 2000 | Aug 2, 2000 | Mitchell Energy Corporation | Bennett, William #4 | 7,700 | 49734556 |
| 497960 | Aug 2, 2000 | Aug 2, 2000 | Mitchell Energy Corporation | Bennett, William #3 | 7,700 | 49734555 |
| 497959 | Aug 2, 2000 | Aug 2, 2000 | Mitchell Energy Corporation | Bennett, William #2 | 7,750 | 49734554 |
| 497908 | Aug 1, 2000 | Aug 1, 2000 | Mitchell Energy Corporation | Winters Gas Unit #1 | 7,650 | 49734553 |
| 497733 | Jul 28, 2000 | Jul 28, 2000 | Mitchell Energy Corporation | Wallace, Frank #3 | 8,000 | 49734552 |
| 497728 | Jul 28, 2000 | Jul 28, 2000 | Mitchell Energy Corporation | Shoop, Glenn P. "H" #2 | 8,200 | 49734551 |
| 497656 | Jul 27, 2000 | Jul 27, 2000 | Mitchell Energy Corporation | Chism, Royce #6 | 7,500 | 49734550 |
| 497656Amendment | Jul 27, 2000 | Jul 27, 2000 | Mitchell Energy Corporation | Chism, Royce #6 | 7,500 | 49734550 |
| 497425 | Jul 27, 2000 | Jul 27, 2000 | Ryder Scott Oil Co. | Myers, Jerry Abc #2 | 7,200 | 49734548 |
| 497644 | Jul 26, 2000 | Jul 26, 2000 | Mitchell Energy Corporation | Derting, B. G. #5 | 7,700 | 49734549 |
| 497286 | Jul 18, 2000 | Jul 18, 2000 | Mitchell Energy Corporation | Floyd McCurdy Gas Unit "B" #3 | 8,000 | 49734547 |
| 497285 | Jul 18, 2000 | Jul 18, 2000 | Mitchell Energy Corporation | Floyd McCurdy Gas Unit "B" #2 | 8,000 | 49734546 |
| 497232 | Jul 17, 2000 | Jul 17, 2000 | Mitchell Energy Corporation | Renno K. Robertson Gas Unit #1 | 7,700 | 49734545 |
| 497117 | Jul 12, 2000 | Jul 12, 2000 | Upham Oil & Gas Company | Johnson, Joe #1 | 7,150 | 49734544 |
| 497022 | Jul 11, 2000 | Jul 11, 2000 | Mitchell Energy Corporation | Wcco 4-Wm. Miller GU 2 #8M | 8,000 | 49734543 |
| 497022Amendment | Jul 11, 2000 | Jul 11, 2000 | Mitchell Energy Company L.P. | Wcco 4-Wm. Miller GU 2 #8M | 8,100 | 49734543 |
| 497021 | Jul 11, 2000 | Jul 11, 2000 | Mitchell Energy Corporation | Wcco 4-Miller "F" #2D | 7,700 | 49734542 |
| 497021Amendment | Jul 11, 2000 | Jul 11, 2000 | Mitchell Energy Corporation | Wcco 4-Miller "F" #2D | 7,700 | 49734542 |
| 496586 | Jun 30, 2000 | Jun 30, 2000 | Republic Energy Inc. | Rowan #1 | 8,100 | 49734541 |
| 496440 | Jun 23, 2000 | Jun 23, 2000 | Cumming Company, Inc. The | Dale #1 | 6,400 | 49734540 |
| 496440Amendment | Jun 23, 2000 | Jun 23, 2000 | Cumming Company, Inc. The | Dale #1 | 6,250 | 49734540 |
| 496406 | Jun 21, 2000 | Jun 21, 2000 | Mitchell Energy Corporation | R. S. Garrett Gas Unit "C" #4 | 7,700 | 49734539 |
| 496405 | Jun 21, 2000 | Jun 21, 2000 | Mitchell Energy Corporation | R. S. Garrett Gas Unit "C" #3 | 7,700 | 49734538 |
| 496138 | Jun 13, 2000 | Jun 13, 2000 | Mitchell Energy Corporation | Wcco 1 - Sims, Thomas P. #4D | 8,200 | 49734537 |
| 496138Amendment | Jun 13, 2000 | Jun 13, 2000 | Mitchell Energy Corporation | Wcco 1 - Sims, Thomas P. #4D | 8,200 | 49734537 |
| 496138Amendment | Jun 13, 2000 | Jun 13, 2000 | Mitchell Energy Corporation | Wcco 1 - Sims, Thomas P. #4D | 8,200 | 49734537 |
| 496137 | Jun 13, 2000 | Jun 13, 2000 | Mitchell Energy Corporation | Wcco 1 - Sims, Thomas P. #3D | 8,200 | 49734536 |
| 496137Amendment | Jun 13, 2000 | Jun 13, 2000 | Mitchell Energy Corporation | Wcco 1 - Sims, Thomas P. #3D | 8,200 | 49734536 |
| 496137Amendment | Jun 13, 2000 | Jun 13, 2000 | Mitchell Energy Company L.P. | Wcco 1 - Sims, Thomas P. #3D | 8,200 | 49734536 |
| 496003 | Jun 13, 2000 | Jun 13, 2000 | Republic Energy Inc. | Barkley #2 | 8,000 | 49734534 |
| 495998 | Jun 13, 2000 | Jun 13, 2000 | Lakota Energy, Ltd. | Stewart #3 | 5,850 | 49734535 |
| 495959 | Jun 9, 2000 | Jun 9, 2000 | Mitchell Energy Corporation | Peterson, A. L. #11 | 8,350 | 49734533 |
| 495867 | Jun 7, 2000 | Jun 7, 2000 | Mitchell Energy Corporation | Peterson, A. L. #10 | 8,400 | 49734532 |
| 495867Amendment | Jun 7, 2000 | Jun 7, 2000 | Mitchell Energy Corporation | Peterson, A. L. #10 | 8,400 | 49734532 |
| 495865 | Jun 7, 2000 | Jun 7, 2000 | Mitchell Energy Corporation | Peterson, A. L. #9 | 8,400 | 49734531 |
| 495833 | Jun 5, 2000 | Jun 5, 2000 | Chief Oil & Gas LLC | Waggoner, Hazel "A" #C 2 | 7,000 | 49734530 |
| 495598 | Jun 1, 2000 | Jun 1, 2000 | Lakota Energy, Ltd. | Clay Hill Cattle Co #5 | 8,000 | 49734529 |
| 495474 | May 26, 2000 | May 26, 2000 | Mitchell Energy Corporation | Chism, Royce #5 | 7,500 | 49734528 |
| 495474Amendment | May 26, 2000 | May 26, 2000 | Mitchell Energy Corporation | Chism, Royce #5 | 7,500 | 49734528 |
| 495440 | May 24, 2000 | May 24, 2000 | Mitchell Energy Corporation | Shoop, Glenn P. "C" #2 | 8,200 | 49734527 |
| 495082 | May 15, 2000 | May 15, 2000 | Mitchell Energy Corporation | J. E. Norman Gas Unit "C" #1 | 8,050 | 49734526 |
| 494851 | May 12, 2000 | May 12, 2000 | Mitchell Drilling Co. | J. D. Karnes Unit 5 #11 | 6,365 | 49733490 |
| 494662 | May 12, 2000 | May 12, 2000 | McCommons Oil Company | Federal Fee Gas Unit #1 | 6,506 | 49700174 |
| 494752 | May 10, 2000 | May 10, 2000 | Ryder Scott Oil Co. | Caswell #4 | 7,100 | 49734524 |
| 494572 | May 9, 2000 | May 9, 2000 | Ryder Scott Oil Co. | Hilton-Wood Unit #2 | 7,200 | 49734520 |
| 494834 | May 8, 2000 | May 8, 2000 | Mitchell Energy Corporation | Morrison, Dean #2 | 7,950 | 49734525 |
| 494784 | May 5, 2000 | May 5, 2000 | Dallas Production, Inc. | McCurdy "B" #1 | 8,100 | 49734523 |
| 494735 | May 4, 2000 | May 4, 2000 | Stephens & Johnson Operating Co. | O'Kelly #2 | 6,500 | 49734522 |
| 494709 | May 4, 2000 | May 4, 2000 | Mitchell Energy Corporation | Kelley, Jim Bill #2 | 8,050 | 49734521 |
| 494365 | Apr 28, 2000 | Apr 28, 2000 | Richey, Ray Management Co., Inc. | Hardy-Middleton Unit #1 | 5,850 | 49732670 |
| 494469 | Apr 26, 2000 | Apr 26, 2000 | Mitchell Energy Corporation | Shoop "A" #6 | 8,200 | 49734519 |
| 494468 | Apr 26, 2000 | Apr 26, 2000 | Mitchell Energy Corporation | Shoop "A" #5 | 8,150 | 49734518 |
| 494468Amendment | Apr 26, 2000 | Apr 26, 2000 | Mitchell Energy Corporation | Shoop "A" #5 | 8,150 | 49734518 |
| 494157 | Apr 18, 2000 | Apr 18, 2000 | Cholla Petroleum, Inc. | M W Unit #1 | 6,100 | 49734517 |
| 494109 | Apr 18, 2000 | Apr 18, 2000 | Republic Energy Inc. | Schluter #1 | 8,000 | 49734516 |
| 494096 | Apr 17, 2000 | Apr 17, 2000 | Mitchell Energy Corporation | Wcco 1 - Sims, Thomas P. "B" #4G | 8,250 | 49734515 |
| 494037 | Apr 14, 2000 | Apr 14, 2000 | Mitchell Energy Corporation | Wcco 1 - Thomas P. Sims "A" #3F | 8,150 | 49734514 |
| 493994 | Apr 13, 2000 | Apr 13, 2000 | Mitchell Energy Corporation | Blakley #1 | 7,858 | 49733041 |
| 494015 | Apr 12, 2000 | Apr 12, 2000 | JW Energy Co., Ltd | Slay #6 | 5,864 | 49700146 |
| 494009 | Apr 12, 2000 | Apr 12, 2000 | Mitchell Energy Corporation | Hughes, D. J. #34 | 7,100 | 49734513 |
| 493908 | Apr 11, 2000 | Apr 11, 2000 | Mitchell Energy Corporation | Dan B. Maeyers GU "B" #5 | 8,100 | 49734512 |
| 493907 | Apr 11, 2000 | Apr 11, 2000 | Mitchell Energy Corporation | Dan B. Maeyers GU "B" #4 | 8,100 | 49734511 |
| 493901 | Apr 10, 2000 | Apr 10, 2000 | JW Energy Co., Ltd | Davenport B #8 | 6,500 | 49734510 |
| 493819 | Apr 10, 2000 | Apr 10, 2000 | Mitchell Energy Corporation | Maggie Spain Gas Unit "B" #1 | 8,050 | 49734504 |
| 493849 | Apr 7, 2000 | Apr 7, 2000 | Enre Corp. | Clay Hill Cattle Co. #4 | 8,000 | 49734508 |
| 493848 | Apr 7, 2000 | Apr 7, 2000 | Enre Corp. | Clay Hill Cattle Co. #3 | 8,000 | 49734507 |
| 493847 | Apr 7, 2000 | Apr 7, 2000 | Enre Corp. | Clay Hill Cattle Co. #2 | 8,000 | 49734506 |
| 493846 | Apr 7, 2000 | Apr 7, 2000 | Enre Corp. | Clay Hill Cattle Co. #1 | 8,000 | 49734505 |
| 493823 | Apr 6, 2000 | Apr 6, 2000 | Republic Energy Inc. | Reed-Hathorn Unit #2 | 8,200 | 49734509 |
| 493818 | Apr 6, 2000 | Apr 6, 2000 | Mitchell Energy Corporation | Slay, C. W. #3 | 7,700 | 49734503 |
| 493767 | Apr 5, 2000 | Apr 5, 2000 | Mitchell Energy Corporation | Hamilton, Annie #1 | 5,760 | 49701117 |
| 493766 | Apr 5, 2000 | Apr 5, 2000 | Mitchell Energy Corporation | Shawn, Lorene #1 | 6,000 | 49732396 |
| 493634 | Mar 30, 2000 | Mar 30, 2000 | Chief Oil & Gas LLC | Malcolm #C 1 | 6,900 | 49734502 |