| Steedman, S. D. -B- O-13-8721 | Shell Western E&P Inc. only | Big Mineral Creek (V Sdstn.) | — | 1 | 1.16K | 20.9K | Jan 1993 – Feb 1994 |
| Embry, J. O-13-2706 | Shell Western E&P Inc. only | Big Mineral Creek (U Sand) | — | 1 | 1.04K | 13.3K | Jan 1993 – Feb 1994 |
| Chapman, J.O. O-4-12547 | Shell Western E&P Inc. only | Chapman Ranch (6600) | Nueces | 1 | 973 | 1.86K | Jan 1996 – Oct 1997 |
| TXL -L- a/C 2 O-10-30737 | Shell Western E&P Inc. only | TXL (Montoya) | Ector | 1 | 940 | 4.78K | Jan 1993 – Aug 1994 |
| Embry, J., Unit O-13-2707 | Shell Western E&P Inc. only | Big Mineral Creek (U Sand) | — | 1 | 887 | 6.64K | Jan 1993 – Feb 1994 |
| Moore, W. M. "A" O-11-19856 | Shell Western E&P Inc. only | Wasson, S. (Wichita-Albany) | — | 1 | 868 | 5 | Jan 1993 – May 1994 |
| Jones, Bush O-13-2730 | Shell Western E&P Inc. only | Big Mineral Creek (V Sdstn.) | Grayson | 1 | 791 | 15.4K | Jan 1993 – Jan 1994 |
| Embry, J. Unit O-13-2718 | Shell Western E&P Inc. only | Big Mineral Creek (V Sdstn.) | — | 1 | 779 | 6.07K | Jan 1993 – Feb 1994 |
| Steedman, S. D., Unit O-13-2724 | Shell Western E&P Inc. only | Big Mineral Creek (V Sdstn.) | Grayson | 1 | 748 | 6.44K | Jan 1993 – Feb 1994 |
| Amacker-Cowden 22 Unit 1 O-9-8545 | Shell Western E&P Inc. only | Tippett (Leonard, Lower) | Pecos | 1 | 622 | 18.9K | Jan 1993 – Jul 1996 |
| Green, T. D. O-13-2720 | Shell Western E&P Inc. only | Big Mineral Creek (V Sdstn.) | — | 1 | 584 | 53K | Jan 1993 – Feb 1994 |
| Steedman, S. D. O-13-2722 | Shell Western E&P Inc. only | Big Mineral Creek (V Sdstn.) | Grayson | 1 | 566 | 5.87K | Jan 1993 – Feb 1994 |
| Shell-Dillard O-5-3399 | Ridley Oil Corporation only | Flag Lake | Henderson | 1 | 550 | 18 | Jan 1993 – Nov 1996 |
| Ownby O-11-63334 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 539 | 2.76K | Jan 1993 – May 1993 |
| Ownby "A" O-11-60311 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 2 | 530 | 2.36K | Jan 1993 – Jun 1993 |
| Chittim O-1-14983 | Shell Western E&P only | Sacatosa (Eagle Ford) | Maverick | 2 | 518 | 0 | Jun 2008 – Jul 2013 |
| Steedman, L. A. O-13-2721 | Shell Western E&P Inc. only | Big Mineral Creek (V Sdstn.) | Grayson | 2 | 503 | 9K | Jan 1993 – Feb 1994 |
| Ownby "B" O-11-60325 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 2 | 414 | 1.13K | Jan 1993 – Jun 1993 |
| Martin, H. C. O-11-60292 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | — | 1 | 409 | 928 | Jan 1993 – Dec 1993 |
| Waples-Platter "Tga" O-11-63392 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 2 | 402 | 453 | Jan 1993 – May 1993 |
| Shell-University O-9-10925 | JM Cox Resources, L.P. only | Benedum (Dean Sand) | Upton | 1 | 388 | 3.53K | Jan 1993 – Mar 2008 |
| Colburn, L. M. O-7-7664 | Shell Western E&P Inc. only | East Texas | — | 10 | 381 | 0 | Jan 1993 – Nov 1995 |
| Brandt O-2-9088 | Big Shell Oil & Gas, Inc. only | Cottonwood Creek, S. (Yegua 4500 | De Witt | 1 | 355 | 0 | Mar 2006 – Aug 2007 |
| Hounshell O-8-23623 | Hane Operating, Inc. only | Brown County Regular | Brown | 1 | 352 | 4.49K | Jan 1993 – Nov 1999 |
| Mann-Lynch 22 Unit 2 O-9-12497 | Shell Western E&P Inc. only | Tippett (Leonard, Lower) | Pecos | 1 | 297 | 5 | Jan 1993 – Jul 1996 |
| Miller "B" O-8-21922 | Stryker Energy Corp. only | Shell (King Sand) | Shackelford | 1 | 289 | 19 | Jan 1993 – Jul 2026 |
| Waples-Platter O-11-60340 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | — | 1 | 277 | 2 | Jan 1993 – Jun 1993 |
| Blue Star-Liberty 35 O-1-15078 | Shell Western E&P only | Sacatosa (Georgetown) | Maverick | 1 | 250 | 3.68K | Jul 2006 – Jul 2026 |
| Price -8- O-10-31388 | Shell Western E&P Inc. only | Crossett, S. (Detrital) | — | 0 | 153 | 0 | Jan 1993 – Dec 1995 |
| Lackey O-11-60319 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | — | 1 | 142 | 2 | Jan 1993 – Jun 1993 |
| Phillips -A- O-13-20336 | Peden, Marshell only | Peden (Miss) | Clay | 1 | 123 | 21 | Jan 1993 – Jul 2026 |
| Lackey, Mary O-11-65199 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 118 | 2 | Jan 1993 – Jul 1993 |
| Carr, D. O-7-7944 | Shell Western E&P Inc. only | East Texas | — | 9 | 115 | 2 | Jan 1993 – Nov 1995 |
| Milco O-8-22938 | Stryker Energy Corp. only | Shell (King Sand) | Shackelford | 1 | 90 | 8 | Jan 1993 – Jul 2026 |
| Chapman, J. O. O-4-8618 | Shell Western E&P Inc. only | Chapman Ranch (6850) | Nueces | 1 | 70 | 208 | Jan 1993 – Sep 1998 |
| Mathis, L. H. O-11-65274 | Shell Western E&P Inc. only | Ownby (Clear Fork, Upper) | Yoakum | 1 | 59 | 2 | Jan 1993 – Apr 1993 |
| Amacker-Cowden 22 Unit 2 O-9-5695 | Shell Western E&P Inc. only | Tippett (Leonard, Lower) | Pecos | 1 | 49 | 4K | Jan 1993 – Jul 1996 |
| Birdie-Bell 54-2-18 Lov O-10-42372 | Shell Western E&P only | Sandbar (Bone Spring) | Loving | 1 | 35 | 0 | Sep 2011 – Sep 2017 |
| Zhou, X.X. O-1-20843 | Red Shell Inc only | Tenney Creek | Caldwell | 3 | 32 | 0 | Jan 2023 – Jul 2026 |
| Shell Fee 57 O-14-8752 | Presidio Petroleum LLC only | Hemphill (Oswego) | Hemphill | 1 | 8 | 0 | May 2013 – Jul 2026 |
| Hill, M. J. -23-A- O-10-33222 | Shell Western E&P only | Halley, South (Queen Sand) | Winkler | 2 | 3 | 0 | Jan 1993 – Jan 2015 |
| Zachry, H.B. Co. G-4-123378 | Shell Western E&P only | Fandango (Wilcox, Upper T10) | Zapata | 1 | 0 | 0 | Jan 1993 – Nov 2002 |
| Guerra, E.E. Jr. G-4-122823 | Shell Western E&P Inc. only | McAllen Ranch (Guerra) | Hidalgo | 1 | 0 | 0 | Jan 1993 – Oct 1994 |
| Mc Allen,a.a. G-4-57030 | Shell Western E&P only | McAllen Ranch (Vksbg P-V,s Cons) | — | 1 | 0 | 852K | Jan 1993 – Sep 2010 |
| Beaurline, A. W. G-4-121251 | Shell Western E&P Inc. only | McAllen Ranch (Guerra) | Hidalgo | 1 | 0 | 582K | Jan 1993 – Nov 1996 |
| Davenport, O. H. Heirs G-4-120469 | Shell Western E&P only | Hinde, West (Vicksburg 8) | Starr | 1 | 0 | 0 | Jan 1993 – Dec 2006 |
| McAllen, A.A. G-4-56863 | Shell Western E&P only | McAllen Ranch (Vicksburg S) | Hidalgo | 1 | 0 | 15.3K | Jan 1993 – Aug 2001 |
| State Lease M-96872 G-3-165043 | Shell Offshore Inc. only | Putski (Marg. A) | Galveston-LB | 1 | 0 | 487K | Nov 1996 – Nov 1999 |
| Chapman, J. O. G-4-120196 | Shell Western E&P Inc. only | Chapman Ranch (L-23) | Nueces | 1 | 0 | 0 | Jan 1993 – Apr 1998 |
| Schmidt, J.M. Gas Unit G-4-119702 | Shell Western E&P Inc. only | Schmidt (Vicksburg 14600) | Hidalgo | 1 | 0 | 53.5K | Jan 1993 – Oct 1993 |