| 389171 | Jul 16, 1991 | Jul 16, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #501 | 6,350 | 23932008 |
| 389171Amendment | Jul 16, 1991 | Jul 16, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #501 | 6,350 | 23932008 |
| 389859 | Jul 15, 1991 | Jul 15, 1991 | Breck Operating Corp. | Dugger, Charlotte #1 | 7,978 | 23930798 |
| 389859Amendment | Jul 15, 1991 | Jul 15, 1991 | Breck Operating Corp. | Dugger, Charlotte #1 | 7,978 | 23930798 |
| 387341 | Jul 11, 1991 | Jul 11, 1991 | E.G. Operating | Peters #2 | 6,000 | 23900719 |
| 389636 | Jul 9, 1991 | Jul 9, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #531 | 5,500 | 23932602 |
| 389635 | Jul 9, 1991 | Jul 9, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #529 | 5,500 | 23932601 |
| 389626 | Jul 8, 1991 | Jul 8, 1991 | Quisto Energy Corp. | McDowell, Bertha #1 | 6,300 | 23932715 |
| 389433 | Jul 8, 1991 | Jul 8, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #516 | 7,450 | 23932230 |
| 389548 | Jul 5, 1991 | Jul 5, 1991 | Ellsworth, H. P. O&G Properties | Dittrich/Kubecks Gas Unit #1 | 3,250 | 23932600 |
| 389434 | Jul 5, 1991 | Jul 5, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #488 | 6,321 | 23931249 |
| 389434Amendment | Jul 5, 1991 | Jul 5, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #488 | 6,321 | 23931249 |
| 389559 | Jul 2, 1991 | Jul 2, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #340 | 6,352 | 23902687 |
| 389559Amendment | Jul 2, 1991 | Jul 2, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #340 | 6,352 | 23902687 |
| 389457 | Jul 1, 1991 | Jul 1, 1991 | American Exploration Company | Brooking, G.T. #38 | 9,150 | 23930448 |
| 389442 | Jun 28, 1991 | Jun 28, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #449 | 6,350 | 23902795 |
| 389442Amendment | Jun 28, 1991 | Jun 28, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #449 | 6,350 | 23902795 |
| 389300 | Jun 28, 1991 | Jun 28, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #403 | 6,303 | 23902750 |
| 389098 | Jun 24, 1991 | Jun 24, 1991 | Killam Oil Company | Wearden, Robert J. #2 | 8,000 | 23932511 |
| 389056 | Jun 19, 1991 | Jun 19, 1991 | Fina Oil & Chemical Company | Goff, E. G. #2 | 7,800 | 23932599 |
| 387841 | Jun 18, 1991 | Jun 18, 1991 | French Production Incorporated | Miller Gas Unit No. 1 #2 | 9,500 | 23932039 |
| 388958 | Jun 17, 1991 | Jun 17, 1991 | Ken Petroleum Corporation | Melton Unit #2 | 12,000 | 23932597 |
| 388982 | Jun 14, 1991 | Jun 14, 1991 | Bridge Oil Production Co., Inc. | Fenner-Bridge Oil Fee #1 | 7,000 | 23932598 |
| 388982Amendment | Jun 14, 1991 | Jun 14, 1991 | Bridge Oil Production Co., Inc. | Fenner-Bridge Oil Fee #1 | 7,500 | 23932598 |
| 388812 | Jun 13, 1991 | Jun 13, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch State Oil & Gas Unit #10 | 7,300 | 23930111 |
| 388812Amendment | Jun 13, 1991 | Jun 13, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch State Oil & Gas Unit #10 | 7,300 | 23930111 |
| 388765 | Jun 11, 1991 | Jun 11, 1991 | Arco Oil & Gas Co. | Lee, Kathryn #3 | 11,600 | 23932596 |
| 388765Amendment | Jun 11, 1991 | Jun 11, 1991 | Arco Oil & Gas Co. | Lee, Kathryn #3 | 11,600 | 23932596 |
| 388765Amendment | Jun 11, 1991 | Jun 11, 1991 | Arco Oil & Gas Co. | Lee, Kathryn #3 | 11,600 | 23932596 |
| 388759 | Jun 11, 1991 | Jun 11, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch State Oil & Gas UT.1 #2 | 8,805 | 23903828 |
| 388714 | Jun 11, 1991 | Jun 11, 1991 | Davidson, Jake, Inc. | Kuhlman, Shelton #1 | 12,286 | 23932573 |
| 388714Amendment | Jun 11, 1991 | Jun 11, 1991 | Davidson, Jake, Inc. | Kuhlman, Shelton #1 | 12,286 | 23932573 |
| 388599 | Jun 11, 1991 | Jun 11, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #417 | 19,060 | 23902764 |
| 388423 | Jun 7, 1991 | Jun 7, 1991 | Scana Petroleum Resources, Inc. | Rose & Sample #1 | 5,200 | 23932476 |
| 388307 | May 30, 1991 | May 30, 1991 | Swift Energy Company | Sklar #3W | 9,600 | 23932533 |
| 388307Amendment | May 30, 1991 | May 30, 1991 | Swift Energy Company | Sklar #2 | 6,300 | 23932533 |
| 388362 | May 29, 1991 | May 29, 1991 | American Exploration Company | Brooking, G.T. #38 | 7,530 | 23930448 |
| 388285 | May 29, 1991 | May 29, 1991 | Bridge Oil Production Co., Inc. | Powers "G" #5 | 4,312 | 23931902 |
| 387931 | May 29, 1991 | May 29, 1991 | M. J. G., Inc. | Finley, Dee #1 | 7,250 | 23932542 |
| 388108 | May 28, 1991 | May 28, 1991 | Neumin Production Company | State Tract 260 Unit 1 #2 | 9,670 | 23931730 |
| 388315 | May 24, 1991 | May 24, 1991 | Cox & Perkins Exploration, Inc. | Callaway #1 ST | 11,000 | 23932536 |
| 388125 | May 24, 1991 | May 24, 1991 | Westhall Associates, Inc. | Vaughn, Annie Marie #1 | 4,000 | 23932595 |
| 387173 | May 20, 1991 | May 20, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #349 | 7,529 | 23902696 |
| 387173Amendment | May 20, 1991 | May 20, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #349 | 7,529 | 23902696 |
| 387641 | May 15, 1991 | May 15, 1991 | Arco Oil & Gas Co. | Lee, Kathryn #2 | 11,500 | 23932593 |
| 387604 | May 15, 1991 | May 15, 1991 | Sue-Ann Production Company | Hultquist, O. #9 | 5,513 | 23930357 |
| 387900 | May 14, 1991 | May 14, 1991 | Energy Development Corp. | Shackelford, M. W. #1 | 13,000 | 23932594 |
| 387897 | May 13, 1991 | May 13, 1991 | American Exploration Company | Brookings, G. T. #35 | 7,350 | 23930413 |
| 387566 | May 8, 1991 | May 8, 1991 | Sue-Ann Production Company | Silliman, L.A. #3 | 6,654 | 23900822 |
| 387566Amendment | May 8, 1991 | May 8, 1991 | Sue-Ann Production Company | Silliman, L. A. #3 | 6,654 | 23900822 |
| 387526 | May 8, 1991 | May 8, 1991 | Lundberg Operating Corporation | Seale #1 | 7,800 | 23932591 |
| 387232 | May 8, 1991 | May 8, 1991 | Exxon Corp. | West Ranch Unit No. 1 #1 | 7,670 | 23932416 |
| 387499 | May 6, 1991 | May 6, 1991 | Mobil Producing TX. & N.M. Inc. | Gordin Estate #28 | 7,797 | 23932198 |
| 387336 | Apr 30, 1991 | Apr 30, 1991 | Cox & Perkins Exploration, Inc. | Batt #2 | 11,000 | 23932592 |
| 385737 | Apr 30, 1991 | Apr 30, 1991 | Unocal Exploration Corporation | Cravens, E. T. #6 | 4,850 | 23900592 |
| 387237 | Apr 29, 1991 | Apr 29, 1991 | American Exploration Company | Brooking, G.T. #37 | 7,680 | 23930444 |
| 387012 | Apr 26, 1991 | Apr 26, 1991 | Engelke, R. H. | Schuech, D. W. "E" #3 | 7,200 | 23903033 |
| 386999 | Apr 26, 1991 | Apr 26, 1991 | New London Oil Inc. | Foust #2 | 5,200 | 23932436 |
| 387065 | Apr 22, 1991 | Apr 22, 1991 | Sue-Ann Production Company | Ross, Hanna #9 | 6,812 | 23932556 |
| 386922 | Apr 22, 1991 | Apr 22, 1991 | EP Operating Company | Amoco-Mobil Fee #2 | 7,500 | 23932590 |
| 386734 | Apr 12, 1991 | Apr 12, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #48 | 6,580 | 23902403 |
| 386661 | Apr 12, 1991 | Apr 12, 1991 | Sue-Ann Production Company | Bonnot, Louise #1 | 6,016 | 23931967 |
| 386568 | Apr 12, 1991 | Apr 12, 1991 | Ladd Petroleum Corp. | Smith, C.F. #2 | 5,980 | 23932485 |
| 386360 | Apr 12, 1991 | Apr 12, 1991 | Bridge Oil Production Co., Inc. | Powers "G" #5 | 4,312 | 23931902 |
| 385365 | Apr 11, 1991 | Apr 11, 1991 | Unocal Exploration Corporation | Halamicek, J. M. #1 | 6,098 | 23900578 |
| 386616 | Apr 10, 1991 | Apr 10, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #48 | 6,580 | 23902403 |
| 386494 | Apr 10, 1991 | Apr 10, 1991 | Fina Oil & Chemical Company | Goff, E.G. #1 | 7,800 | 23932589 |
| 386493 | Apr 10, 1991 | Apr 10, 1991 | Fina Oil & Chemical Company | Goff Mineral Trust #1 | 5,500 | 23932588 |
| 386350 | Apr 4, 1991 | Apr 4, 1991 | New London Oil Inc. | Belschner #2 | 5,200 | 23932470 |
| 386264 | Apr 1, 1991 | Apr 1, 1991 | Atapco | Cound #1 | 4,600 | 23932587 |
| 386264Amendment | Apr 1, 1991 | Apr 1, 1991 | Atapco | Cound #1 | 4,600 | 23932587 |
| 386264Amendment | Apr 1, 1991 | Apr 1, 1991 | Atapco | Cound #1 | 5,000 | 23932587 |
| 386264Amendment | Apr 1, 1991 | Apr 1, 1991 | Atapco | Cound #1 | 5,000 | 23932587 |
| 386248 | Apr 1, 1991 | Apr 1, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #312 | 6,700 | 23902660 |
| 385903 | Mar 28, 1991 | Mar 28, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #391 | 7,050 | 23902738 |
| 385884 | Mar 21, 1991 | Mar 21, 1991 | Breck Operating Corp. | Dugger, Charlotte #1 | 8,090 | 23930798 |
| 385856 | Mar 21, 1991 | Mar 21, 1991 | New London Oil Inc. | McCurry -A- #1 | 5,191 | 23932500 |
| 385821 | Mar 21, 1991 | Mar 21, 1991 | Westhall Associates, Inc. | Lapham Gas Unit #1 | 4,400 | 23932586 |
| 385899 | Mar 20, 1991 | Mar 20, 1991 | Cox & Perkins Exploration, Inc. | Henry #1 | 12,000 | 23932585 |
| 385773 | Mar 19, 1991 | Mar 19, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch State Oil&gas Unit 1 #2 | 8,805 | 23903828 |
| 385691 | Mar 19, 1991 | Mar 19, 1991 | Westhall Associates, Inc. | Morton #1 | 4,400 | 23932584 |
| 385673 | Mar 13, 1991 | Mar 13, 1991 | Miner, R. C. Inc. | Four Way Ranch #4 | 5,214 | 23901233 |
| 385233 | Mar 7, 1991 | Mar 7, 1991 | Engelke, R. H. | Bennett, J. M. "R" #2 | 7,100 | 23903066 |
| 385015 | Mar 6, 1991 | Mar 6, 1991 | Engelke, R. H. | Schuech O. U. 2 #1 | 8,270 | 23932142 |
| 383592 | Mar 6, 1991 | Mar 6, 1991 | Unocal Exploration Corporation | Hamons, Dan #3 | 6,400 | 23932452 |
| 384862 | Feb 21, 1991 | Feb 21, 1991 | Sue-Ann Production Company | Hultquist, O. #6 | 6,460 | 23930245 |
| 384862Amendment | Feb 21, 1991 | Feb 21, 1991 | Sue-Ann Production Company | Hultquist, O. #6 | 6,460 | 23930245 |
| 384752 | Feb 21, 1991 | Feb 21, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #528 | 5,800 | 23932583 |
| 383289 | Feb 13, 1991 | Feb 13, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #119 | 8,600 | 23902474 |
| 384521 | Feb 12, 1991 | Feb 12, 1991 | Esenjay Petroleum Corp. | Bolling-Collier #5 | 2,492 | 23900391 |
| 384332 | Feb 12, 1991 | Feb 12, 1991 | Energy Development Corp. | Dittrich, A.L. et Al #1 | 3,500 | 23932582 |
| 384308 | Feb 11, 1991 | Feb 11, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #486 | 6,229 | 23931251 |
| 384308Amendment | Feb 11, 1991 | Feb 11, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #486 | 6,229 | 23931251 |
| 384377 | Feb 7, 1991 | Feb 7, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch 'A' #522 | 8,297 | 23932378 |
| 384327 | Feb 6, 1991 | Feb 6, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #488 | 6,321 | 23931249 |
| 383965 | Jan 30, 1991 | Jan 30, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #122 | 5,595 | 23902477 |
| 383981 | Jan 29, 1991 | Jan 29, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #32 | 6,610 | 23902387 |
| 383885 | Jan 25, 1991 | Jan 25, 1991 | Mobil Producing TX. & N.M. Inc. | West Ranch "A" #527 | 5,600 | 23932581 |
| 383803 | Jan 23, 1991 | Jan 23, 1991 | Rodel Oil & Gas Company | Evans Gas Unit #1 | 5,000 | 23932580 |
| 383621 | Jan 22, 1991 | Jan 22, 1991 | Tri-C Resources, Inc. | Young #1 | 9,800 | 23932579 |