| 393980 | Dec 4, 1991 | Dec 4, 1991 | Penwell Energy, Inc. | Smith #4 | 6,000 | 13536551 |
| 394523 | Dec 3, 1991 | Dec 3, 1991 | Fina Oil & Chemical Company | Emmons Unit #135 | 4,900 | 13536561 |
| 394520 | Dec 3, 1991 | Dec 3, 1991 | Conoco Inc. | Wight Unit #154 | 4,700 | 13536560 |
| 394519 | Dec 3, 1991 | Dec 3, 1991 | Conoco Inc. | Wight Unit #152 | 4,700 | 13536559 |
| 394398 | Dec 2, 1991 | Dec 2, 1991 | Union Oil Company of California | Toad "A" #12 | 5,350 | 13536557 |
| 394397 | Dec 2, 1991 | Dec 2, 1991 | Union Oil Company of California | Toad "A" #11 | 5,350 | 13536558 |
| 393567 | Nov 25, 1991 | Nov 25, 1991 | Cross Timbers Operating Company | TXL "B" #9 | 7,540 | 13505784 |
| 394256 | Nov 21, 1991 | Nov 21, 1991 | Fina Oil & Chemical Company | Emmons Unit #136 | 4,900 | 13536555 |
| 394132 | Nov 21, 1991 | Nov 21, 1991 | Union Oil Company of California | Toad "A" #10 | 5,350 | 13536552 |
| 394131 | Nov 21, 1991 | Nov 21, 1991 | Phillips Petroleum Company | Fortune 500 #2 | 12,800 | 13536553 |
| 394236 | Nov 20, 1991 | Nov 20, 1991 | Plains Petroleum Operating Co. | Parker, J..e. #19 | 4,415 | 13536554 |
| 394030 | Nov 14, 1991 | Nov 14, 1991 | Union Oil Company of California | Toad "A" #9 | 5,350 | 13536550 |
| 393874 | Nov 14, 1991 | Nov 14, 1991 | Three-B Oil Company, The | Slator #8 | 4,600 | 13536549 |
| 391782 | Nov 7, 1991 | Nov 7, 1991 | Getty Oil Co. | Headlee Devonian Unit #2904 | 13,345 | 13506731 |
| 393383 | Oct 31, 1991 | Oct 31, 1991 | Phoenix Hydrocarbons Operating | Cole #1822 | 5,845 | 13536390 |
| 393218 | Oct 28, 1991 | Oct 28, 1991 | Phillips Petroleum Company | North Penwell Unit #183 | 4,900 | 13536548 |
| 393217 | Oct 28, 1991 | Oct 28, 1991 | Phillips Petroleum Company | North Penwell Unit #184 | 4,900 | 13536547 |
| 393216 | Oct 28, 1991 | Oct 28, 1991 | Phillips Petroleum Company | North Penwell Unit #192 | 4,900 | 13536546 |
| 393215 | Oct 28, 1991 | Oct 28, 1991 | Phillips Petroleum Company | North Penwell Unit #198 | 4,900 | 13536545 |
| 393214 | Oct 28, 1991 | Oct 28, 1991 | Phillips Petroleum Company | North Penwell Unit #199 | 4,900 | 13536544 |
| 393213 | Oct 28, 1991 | Oct 28, 1991 | Phillips Petroleum Company | North Penwell Unit #214 | 4,900 | 13536543 |
| 393212 | Oct 28, 1991 | Oct 28, 1991 | Phillips Petroleum Company | North Penwell Unit #220 | 4,900 | 13536542 |
| 391842 | Oct 23, 1991 | Oct 23, 1991 | Phillips Petroleum Company | Embar #62 | 4,500 | 13536523 |
| 392559 | Oct 22, 1991 | Oct 22, 1991 | Andector Exploration Company | Cowden "F" #1A | 8,115 | 13535120 |
| 392864 | Oct 21, 1991 | Oct 21, 1991 | Jones, Charles E., Jr. | TXL "A" #2 | 9,574 | 13505673 |
| 392846 | Oct 21, 1991 | Oct 21, 1991 | Phillips Petroleum Company | South Cowden Unit #819 | 5,300 | 13536541 |
| 392840 | Oct 18, 1991 | Oct 18, 1991 | Osceola Oil & Gas Corporation | Kayser, Eva B. #9 | 4,500 | 13536540 |
| 392248 | Oct 16, 1991 | Oct 16, 1991 | Exxon Corp. | Yarbrough & Allen #27 | 10,350 | 13505235 |
| 391842Amendment | Oct 11, 1991 | Oct 11, 1991 | Phillips Petroleum Company | Embar #62 | 4,500 | 13536523 |
| 392639 | Oct 9, 1991 | Oct 9, 1991 | Shell Western E&P Inc. | TXL North Unit #667WR | 6,500 | 13536531 |
| 392600 | Oct 9, 1991 | Oct 9, 1991 | Phillips Petroleum Company | North Penwell Unit #187 | 4,850 | 13536538 |
| 392599 | Oct 9, 1991 | Oct 9, 1991 | Phillips Petroleum Company | North Penwell Unit #188 | 4,850 | 13536537 |
| 392597 | Oct 9, 1991 | Oct 9, 1991 | Phillips Petroleum Company | North Penwell Unit #189 | 4,850 | 13536536 |
| 392596 | Oct 9, 1991 | Oct 9, 1991 | Phillips Petroleum Company | North Penwell Unit #190 | 4,850 | 13536539 |
| 392595 | Oct 9, 1991 | Oct 9, 1991 | Phillips Petroleum Company | North Penwell Unit #191 | 4,850 | 13536535 |
| 392594 | Oct 9, 1991 | Oct 9, 1991 | Phillips Petroleum Company | North Penwell Unit #195 | 4,850 | 13536534 |
| 392593 | Oct 9, 1991 | Oct 9, 1991 | Phillips Petroleum Company | North Penwell Unit #206 | 4,850 | 13536533 |
| 392592 | Oct 9, 1991 | Oct 9, 1991 | Phillips Petroleum Company | North Penwell Unit #219 | 4,850 | 13536532 |
| 392455 | Oct 8, 1991 | Oct 8, 1991 | Phillips Petroleum Company | Goldsmith Andector Unit #B 10 | 6,600 | 13536526 |
| 392643 | Oct 7, 1991 | Oct 7, 1991 | Oryx Energy Company | Paul Moss Unit #10WS | 120 | 13536530 |
| 392642 | Oct 7, 1991 | Oct 7, 1991 | Oryx Energy Company | Paul Moss Unit #16WS | 1,303 | 13502103 |
| 392463 | Oct 4, 1991 | Oct 4, 1991 | Phillips Petroleum Company | Goldsmith Andector Unit #J 11 | 6,600 | 13536528 |
| 392462 | Oct 4, 1991 | Oct 4, 1991 | Phillips Petroleum Company | Goldsmith Andector Unit #F 35 | 6,600 | 13536527 |
| 392462Amendment | Oct 4, 1991 | Oct 4, 1991 | Phillips Petroleum Company | Goldsmith Andector Unit #F 35 | 6,600 | 13536527 |
| 392384 | Oct 3, 1991 | Oct 3, 1991 | OXY USA Inc. | Averitt F #1 | 4,750 | 13536525 |
| 392170 | Oct 1, 1991 | Oct 1, 1991 | Penwell Energy, Inc. | Pevehouse #1 | 13,000 | 13536524 |
| 392256 | Sep 25, 1991 | Sep 25, 1991 | Chevron U. S. A. Inc. | Connell, W.E. "A" #5 | 8,945 | 13501619 |
| 391949 | Sep 25, 1991 | Sep 25, 1991 | Penwell Energy, Inc. | Cowden #2 | 13,000 | 13536521 |
| 391949Amendment | Sep 25, 1991 | Sep 25, 1991 | Penwell Energy, Inc. | Cowden #2 | 12,725 | 13536521 |
| 392126 | Sep 23, 1991 | Sep 23, 1991 | Phillips Petroleum Company | Fortune 500 #1 | 13,000 | 13536522 |
| 392126Amendment | Sep 23, 1991 | Sep 23, 1991 | Phillips Petroleum Company | Fortune 500 #1 | 13,000 | 13536522 |
| 392126Amendment | Sep 23, 1991 | Sep 23, 1991 | Phillips Petroleum Company | Fortune 500 #1 | 13,000 | 13536522 |
| 391296 | Sep 20, 1991 | Sep 20, 1991 | Phillips Petroleum Company | Shoebar Ranch #1H | 11,300 | 13536163 |
| 391296Amendment | Sep 20, 1991 | Sep 20, 1991 | Phillips Petroleum Company | Shoebar Ranch #1H | 11,300 | 13536163 |
| 391894 | Sep 13, 1991 | Sep 13, 1991 | Phillips Petroleum Company | Lazy -E- #3 | 4,400 | 13536520 |
| 391893 | Sep 13, 1991 | Sep 13, 1991 | Phillips Petroleum Company | Lazy -E- #1 | 7,850 | 13536208 |
| 391732 | Sep 10, 1991 | Sep 10, 1991 | Phillips Petroleum Company | Lazy-E #2 | 5,620 | 13536277 |
| 391639 | Sep 6, 1991 | Sep 6, 1991 | Phillips Petroleum Company | North Penwell Unit #182 | 4,850 | 13536518 |
| 391633 | Sep 6, 1991 | Sep 6, 1991 | Phillips Petroleum Company | North Penwell Unit #217 | 4,850 | 13536517 |
| 391632 | Sep 6, 1991 | Sep 6, 1991 | Phillips Petroleum Company | North Penwell Unit #215 | 4,850 | 13536516 |
| 391631 | Sep 6, 1991 | Sep 6, 1991 | Phillips Petroleum Company | North Penwell Unit #211 | 4,850 | 13536515 |
| 391629 | Sep 6, 1991 | Sep 6, 1991 | Phillips Petroleum Company | North Penwell Unit #205 | 4,850 | 13536514 |
| 391628 | Sep 6, 1991 | Sep 6, 1991 | Phillips Petroleum Company | North Penwell Unit #196 | 4,850 | 13536513 |
| 391627 | Sep 6, 1991 | Sep 6, 1991 | Phillips Petroleum Company | North Penwell Unit #197 | 4,850 | 13536512 |
| 391626 | Sep 6, 1991 | Sep 6, 1991 | Phillips Petroleum Company | North Penwell Unit #200 | 4,850 | 13536511 |
| 391615 | Sep 6, 1991 | Sep 6, 1991 | Mariah Energy Corp. | Williamson, J.M. "A" #3 | 4,700 | 13536519 |
| 391233 | Sep 5, 1991 | Sep 5, 1991 | Citgo Pipeline Company | Foster D #2 | 275 | 13536510 |
| 391349 | Sep 3, 1991 | Sep 3, 1991 | Chevron U. S. A. Inc. | Connell, W.E. 'B' #27 | 6,200 | 13501577 |
| 391375 | Aug 30, 1991 | Aug 30, 1991 | Union Oil Company of California | Toad "A" #8 | 5,350 | 13536509 |
| 389660 | Aug 28, 1991 | Aug 28, 1991 | Exxon Corp. | Henderson, F.A. -B- #11 | 9,350 | 13536492 |
| 391120 | Aug 26, 1991 | Aug 26, 1991 | Triad Energy Corporation | Woods, E.N. #14 | 4,700 | 13534733 |
| 391039 | Aug 20, 1991 | Aug 20, 1991 | Fina Oil & Chemical Company | East Penwell (San Andres) Unit #2012 | 4,100 | 13536508 |
| 391037 | Aug 20, 1991 | Aug 20, 1991 | Fina Oil & Chemical Company | East Penwell (San Andres) Unit #314 | 4,100 | 13536507 |
| 391034 | Aug 20, 1991 | Aug 20, 1991 | Fina Oil & Chemical Company | East Penwell (San Andres) Unit #409 | 4,100 | 13536506 |
| 391033 | Aug 20, 1991 | Aug 20, 1991 | Fina Oil & Chemical Company | East Penwell (San Andres) Unit #908 | 4,100 | 13536505 |
| 391032 | Aug 20, 1991 | Aug 20, 1991 | Fina Oil & Chemical Company | East Penwell (San Andres) Unit #1112 | 4,100 | 13536504 |
| 391031 | Aug 20, 1991 | Aug 20, 1991 | Fina Oil & Chemical Company | East Penwell (San Andres) Unit #1113 | 4,100 | 13536503 |
| 391030 | Aug 20, 1991 | Aug 20, 1991 | Fina Oil & Chemical Company | East Penwell (San Andres) Unit #1508 | 4,100 | 13536502 |
| 391030Amendment | Aug 20, 1991 | Aug 20, 1991 | Fina Oil & Chemical Company | East Penwell (San Andres) Unit #1508 | 4,100 | 13536502 |
| 391029 | Aug 20, 1991 | Aug 20, 1991 | Fina Oil & Chemical Company | East Penwell (San Andres) Unit #2113 | 4,100 | 13536917 |
| 391005 | Aug 20, 1991 | Aug 20, 1991 | Chevron U. S. A. Inc. | Goldsmith, C. A. et Al #1261 | 6,345 | 13530288 |
| 390995 | Aug 19, 1991 | Aug 19, 1991 | Amoco Production Company | North Cowden Unit #1411 | 5,000 | 13536500 |
| 390994 | Aug 19, 1991 | Aug 19, 1991 | Amoco Production Company | North Cowden Unit #1410 | 5,000 | 13536499 |
| 390993 | Aug 19, 1991 | Aug 19, 1991 | Amoco Production Company | North Cowden Unit #1408 | 5,000 | 13536498 |
| 390992 | Aug 19, 1991 | Aug 19, 1991 | Amoco Production Company | North Cowden Unit #1406 | 5,000 | 13536497 |
| 390991 | Aug 19, 1991 | Aug 19, 1991 | Amoco Production Company | North Cowden Unit #1407 | 5,000 | 13536496 |
| 389745 | Aug 7, 1991 | Aug 7, 1991 | Sage Energy Company | East Harper Unit #126 | 5,526 | 13536111 |
| 390448 | Aug 2, 1991 | Aug 2, 1991 | Sage Energy Company | Cowden "14" #1 | 13,000 | 13536495 |
| 390448Amendment | Aug 2, 1991 | Aug 2, 1991 | Sage Energy Company | Cowden "14" #1 | 13,000 | 13536495 |
| 390448Amendment | Aug 2, 1991 | Aug 2, 1991 | Sage Energy Company | Cowden "14" #1 | 13,000 | 13536495 |
| 389581 | Aug 2, 1991 | Aug 2, 1991 | Penwell Energy, Inc. | Smith #3 | 5,700 | 13536489 |
| 389580 | Aug 2, 1991 | Aug 2, 1991 | Penwell Energy, Inc. | Smith #2 | 5,700 | 13536490 |
| 390447 | Aug 1, 1991 | Aug 1, 1991 | Sage Energy Company | Cowden "14" #3 | 13,000 | 13536494 |
| 390095 | Jul 24, 1991 | Jul 24, 1991 | OXY USA Inc. | Cummins D #8 | 8,215 | 13500089 |
| 389901 | Jul 18, 1991 | Jul 18, 1991 | Kelt Oil & Gas, Inc. | Blakeney R #1A | 5,166 | 13532967 |
| 389857 | Jul 15, 1991 | Jul 15, 1991 | Sage Energy Company | Cowden "13" #8G | 6,000 | 13536493 |
| 389654 | Jul 10, 1991 | Jul 10, 1991 | OXY USA Inc. | Johnson Gbsa Unit #1905W | 4,350 | 13530670 |
| 389582 | Jul 9, 1991 | Jul 9, 1991 | Penwell Energy, Inc. | Edwards #2 | 12,500 | 13536491 |
| 389582Amendment | Jul 9, 1991 | Jul 9, 1991 | Penwell Energy, Inc. | Edwards #2H | 13,200 | 13536491 |
| 389489 | Jul 8, 1991 | Jul 8, 1991 | Three-B Oil Company, The | Slator #6 | 4,600 | 13536488 |