| 383621Amendment | Jan 22, 1991 | Jan 22, 1991 | Tri-C Resources, Inc. | Young #1 | 10,500 | 23932579 |
| 383588 | Jan 22, 1991 | Jan 22, 1991 | Westhall Associates, Inc. | Whitley Gas Unit #1 | 4,200 | 23932578 |
| 383679 | Jan 21, 1991 | Jan 21, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #492 | 6,221 | 23931255 |
| 383676 | Jan 21, 1991 | Jan 21, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #225 | 6,501 | 23902580 |
| 383258 | Jan 9, 1991 | Jan 9, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #495 | 6,320 | 23931684 |
| 383257 | Jan 9, 1991 | Jan 9, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #398 | 6,200 | 23902745 |
| 383257Amendment | Jan 9, 1991 | Jan 9, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #398 | 6,200 | 23902745 |
| 383007 | Jan 9, 1991 | Jan 9, 1991 | Carnes Exploration Company | Robinson #2 | 3,550 | 23932577 |
| 383007Amendment | Jan 9, 1991 | Jan 9, 1991 | Carnes Exploration Company | Robinson #2 | 3,550 | 23932577 |
| 383008 | Jan 8, 1991 | Jan 8, 1991 | Hydrocarbon Horizons, Inc. | Drushel, S. G. "A" #16 | 3,350 | 23932576 |
| 383008Amendment | Jan 8, 1991 | Jan 8, 1991 | Hydrocarbon Horizons, Inc. | Drushel, S. G. "A" #16 | 3,350 | 23932576 |
| 382981 | Jan 7, 1991 | Jan 7, 1991 | Esenjay Petroleum Corp. | Bolling-Collier #11 | 4,612 | 23931329 |
| 382981Amendment | Jan 7, 1991 | Jan 7, 1991 | Esenjay Petroleum Corp. | Bolling-Collier #11 | 4,612 | 23931329 |
| 382714 | Jan 7, 1991 | Jan 7, 1991 | Sue-Ann Production Company | M.L. & I. Co. #32 | 7,450 | 23932227 |
| 382714Amendment | Jan 7, 1991 | Jan 7, 1991 | Sue-Ann Production Company | M.L. & I. Co. #32 | 7,015 | 23932227 |
| 381827 | Jan 5, 1991 | Jan 5, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #516 | 7,450 | 23932230 |
| 382096 | Jan 4, 1991 | Jan 4, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch State #2 | 8,600 | 23902797 |
| 381764 | Jan 3, 1991 | Jan 3, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #503 | 8,250 | 23932014 |
| 381187 | Dec 31, 1990 | Dec 31, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #58 | 7,496 | 23902413 |
| 382726 | Dec 28, 1990 | Dec 28, 1990 | Eagle Oil & Gas Co. | Ormand #2 | 5,000 | 23932575 |
| 381856 | Dec 12, 1990 | Dec 12, 1990 | Sue-Ann Production Company | Hanna Ross (Ross GU) #2 | 6,700 | 23900880 |
| 381685 | Dec 12, 1990 | Dec 12, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #526 | 8,400 | 23932574 |
| 382209 | Dec 11, 1990 | Dec 11, 1990 | Atapco | Rose, E. T. #1 | 7,300 | 23932519 |
| 381857 | Dec 11, 1990 | Dec 11, 1990 | Sue-Ann Production Company | Silliman, L. A. #5 | 6,639 | 23900823 |
| 381758 | Nov 29, 1990 | Nov 29, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #48 | 6,580 | 23902403 |
| 381402 | Nov 21, 1990 | Nov 21, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #287 | 6,299 | 23902635 |
| 381343 | Nov 20, 1990 | Nov 20, 1990 | Royal Oil & Gas Corp. | Kuhlman, Shelton #1 | 12,000 | 23932573 |
| 381343Amendment | Nov 20, 1990 | Nov 20, 1990 | Royal Oil & Gas Corp. | Kuhlman, Shelton #1 | 13,000 | 23932573 |
| 381042 | Nov 19, 1990 | Nov 19, 1990 | Neumin Production Company | Johnson, A. T. #1 | 6,200 | 23932572 |
| 380797 | Nov 19, 1990 | Nov 19, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #477 | 6,441 | 23930542 |
| 380738 | Nov 16, 1990 | Nov 16, 1990 | Carnes Exploration Company | No. 1 Bain Gas Unit #1 | 10,000 | 23932570 |
| 376151 | Nov 16, 1990 | Nov 16, 1990 | Haas, C. F. Oil & Gas Inc. | Kopecky, John #1 | 5,010 | 23930628 |
| 380855 | Nov 13, 1990 | Nov 13, 1990 | Atapco | Robinson, Velma #1 | 5,000 | 23932571 |
| 378548 | Nov 13, 1990 | Nov 13, 1990 | Fuller, Ancil T. | Matcek, Bennie #1 | 7,310 | 23931464 |
| 379355 | Nov 9, 1990 | Nov 9, 1990 | Union Texas Petroleum Corp. | Rose #1 | 10,500 | 23932560 |
| 380758 | Nov 7, 1990 | Nov 7, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #127 | 5,819 | 23902482 |
| 380251 | Nov 7, 1990 | Nov 7, 1990 | Yuma Petroleum Company | Ormand #1 | 6,000 | 23932565 |
| 378582 | Nov 7, 1990 | Nov 7, 1990 | Mobil Producing TX. & N.M. Inc. | Gordin Estate #36 | 8,400 | 23932558 |
| 378582Amendment | Nov 7, 1990 | Nov 7, 1990 | Mobil Producing TX. & N.M. Inc. | Gordin Estate #36 | 8,400 | 23932558 |
| 379171 | Nov 6, 1990 | Nov 6, 1990 | Vandermeer Energy Corp. | Scott, A. J. et Al #1 | 7,200 | 23932281 |
| 380429 | Nov 5, 1990 | Nov 5, 1990 | Cameron, Paul E., Jr., Inc. | Ackley, W. L. #9 | 4,018 | 23932503 |
| 380259 | Nov 5, 1990 | Nov 5, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #525 | 9,500 | 23932566 |
| 380554 | Nov 2, 1990 | Nov 2, 1990 | Atapco | Kolle #1 | 4,800 | 23932568 |
| 380553 | Nov 2, 1990 | Nov 2, 1990 | Atapco | Kolle #2 | 5,000 | 23932569 |
| 380501 | Nov 1, 1990 | Nov 1, 1990 | Tri-C Resources, Inc. | Stockton #2 | 3,800 | 23932567 |
| 380426 | Oct 31, 1990 | Oct 31, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #407 | 6,244 | 23902754 |
| 380309 | Oct 30, 1990 | Oct 30, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #114 | 5,816 | 23902469 |
| 380308 | Oct 30, 1990 | Oct 30, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #489 | 6,219 | 23931252 |
| 380252 | Oct 29, 1990 | Oct 29, 1990 | Westhall Associates, Inc. | Robinson, Velma #1 | 4,000 | 23932564 |
| 379877 | Oct 26, 1990 | Oct 26, 1990 | Carnes Exploration Company | Stanford, F. #1 | 11,500 | 23932151 |
| 379910 | Oct 22, 1990 | Oct 22, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #523 | 8,555 | 23932368 |
| 379846 | Oct 19, 1990 | Oct 19, 1990 | Ladd Petroleum Corp. | Hlavinka Co. et Al #3 | 6,300 | 23932563 |
| 379448 | Oct 17, 1990 | Oct 17, 1990 | Tri-C Resources, Inc. | Rose #1 | 13,500 | 23932561 |
| 379448Amendment | Oct 17, 1990 | Oct 17, 1990 | Tri-C Resources, Inc. | Rose #1 | 13,500 | 23932561 |
| 379588 | Oct 16, 1990 | Oct 16, 1990 | Bridge Oil Company, L. P. | Martin #2 | 10,500 | 23932562 |
| 379249 | Oct 11, 1990 | Oct 11, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #361 | 8,250 | 23902708 |
| 379085 | Oct 11, 1990 | Oct 11, 1990 | Energy Development Corp. | Sharp, Harry F. #1 | 4,000 | 23932559 |
| 379222 | Oct 10, 1990 | Oct 10, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #404 | 6,302 | 23902751 |
| 378890 | Oct 10, 1990 | Oct 10, 1990 | Mobil Producing TX. & N.M. Inc. | Traylor, W. L. #5 | 12,000 | 23930566 |
| 378890Amendment | Oct 10, 1990 | Oct 10, 1990 | Mobil Producing TX. & N.M. Inc. | Traylor, W. L. #5 | 12,000 | 23930566 |
| 379089 | Oct 8, 1990 | Oct 8, 1990 | Carter Exploration Company | Powell, Sam #3 | 6,995 | 23931969 |
| 377503 | Oct 8, 1990 | Oct 8, 1990 | KTX Management, Inc. | Graves, T. A. #2 | 6,157 | 23901770 |
| 378384 | Oct 1, 1990 | Oct 1, 1990 | Amend Energy Company | Maggie Branch #17 | 6,754 | 23901060 |
| 378635 | Sep 28, 1990 | Sep 28, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #509J | 6,360 | 23932134 |
| 378581 | Sep 27, 1990 | Sep 27, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #334 | 6,555 | 23902681 |
| 378220 | Sep 24, 1990 | Sep 24, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #372 | 6,314 | 23902719 |
| 378323 | Sep 21, 1990 | Sep 21, 1990 | Engelke, R. H. | Bennett, J. M. Heirs "O" #1 | 8,700 | 23932557 |
| 378151 | Sep 19, 1990 | Sep 19, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #424 | 6,192 | 23902771 |
| 377965 | Sep 18, 1990 | Sep 18, 1990 | Sue-Ann Production Company | Ross, Hanna #9 | 6,800 | 23932556 |
| 377965Amendment | Sep 18, 1990 | Sep 18, 1990 | Sue-Ann Production Company | Ross, Hanna (Ross GU) #9 | 6,812 | 23932556 |
| 376183 | Sep 12, 1990 | Sep 12, 1990 | Haas, C. F. Oil & Gas Inc. | Allen-Hamons #3A | 4,843 | 23931510 |
| 377688 | Sep 11, 1990 | Sep 11, 1990 | Conoco Inc. | Goff Mineral Trust #1 | 6,000 | 23932555 |
| 377660 | Sep 7, 1990 | Sep 7, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #449 | 6,350 | 23902795 |
| 374054 | Sep 7, 1990 | Sep 7, 1990 | TXO Production Corp. | Rose "B" #2 | 4,812 | 23931927 |
| 377550 | Sep 6, 1990 | Sep 6, 1990 | Union Expl. Partners, Ltd. | Neibuhr, A. L. #11 | 6,420 | 23932497 |
| 377550Amendment | Sep 6, 1990 | Sep 6, 1990 | Union Expl. Partners, Ltd. | Neibuhr, A. L. #11 | 6,420 | 23932497 |
| 376025 | Sep 5, 1990 | Sep 5, 1990 | San Patricio Corporation | Bonnot, Louise #6 | 7,654 | 23932193 |
| 377309 | Sep 4, 1990 | Sep 4, 1990 | Tal-Con, Inc. | Finley, Dee #3 | 7,200 | 23931947 |
| 377452 | Aug 31, 1990 | Aug 31, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #53 | 7,500 | 23902408 |
| 377449 | Aug 31, 1990 | Aug 31, 1990 | Mobil Producing TX. & N.M. Inc. | Gordin Estate #30 | 6,650 | 23932248 |
| 377287 | Aug 29, 1990 | Aug 29, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #522 | 8,494 | 23932378 |
| 377244 | Aug 28, 1990 | Aug 28, 1990 | Bridge Oil Company, L. P. | Phillips et Al #1 | 9,000 | 23932554 |
| 376873 | Aug 23, 1990 | Aug 23, 1990 | Corpus Christi Oil & Gas Co. | Hasdorff, Fred #1 | 7,500 | 23932474 |
| 376601 | Aug 21, 1990 | Aug 21, 1990 | KTX Management, Inc. | Graves, T. A. #4 | 6,200 | 23901771 |
| 376625 | Aug 15, 1990 | Aug 15, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #211 | 6,208 | 23902566 |
| 376394 | Aug 13, 1990 | Aug 13, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #439 | 7,800 | 23902785 |
| 376418 | Aug 10, 1990 | Aug 10, 1990 | Esenjay Petroleum Corp. | Bolling-Collier #15 | 3,000 | 23932553 |
| 376418Amendment | Aug 10, 1990 | Aug 10, 1990 | Esenjay Petroleum Corp. | Bolling-Collier #15 | 3,000 | 23932553 |
| 376401 | Aug 9, 1990 | Aug 9, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #40 | 5,115 | 23902395 |
| 376400 | Aug 9, 1990 | Aug 9, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #199 | 5,761 | 23902554 |
| 376357 | Aug 9, 1990 | Aug 9, 1990 | Mobil Producing TX. & N.M. Inc. | Traylor, C. S. #1 | 10,000 | 23930736 |
| 376361 | Aug 8, 1990 | Aug 8, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #488 | 6,288 | 23931249 |
| 376273 | Aug 6, 1990 | Aug 6, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #516 | 7,500 | 23932230 |
| 377451 | Aug 3, 1990 | Aug 3, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #520 | 6,545 | 23932286 |
| 376115 | Aug 1, 1990 | Aug 1, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #351 | 7,000 | 23902698 |
| 376115Amendment | Aug 1, 1990 | Aug 1, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #351 | 7,000 | 23902698 |
| 376043 | Aug 1, 1990 | Aug 1, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #337 | 7,000 | 23902684 |
| 376043Amendment | Aug 1, 1990 | Aug 1, 1990 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #337 | 7,000 | 23902684 |
| 375905 | Jul 27, 1990 | Jul 27, 1990 | Energy Development Corp. | Smith, Alice B. #1 | 13,500 | 23932552 |
| 375710 | Jul 25, 1990 | Jul 25, 1990 | Neumin Production Company | Porche Estate #1 | 10,000 | 23932473 |