| Arco Fee LJ O-3-22256 | Joes Lake, W. (Wilcox) | Tyler | 1 | 275K | 198K | Dec 1993 – Jul 2026 |
| Vastar Fee O-3-23094 | Joes Lake, W. (Wilcox) | Tyler | 3 | 184K | 125K | Nov 1996 – Jul 2026 |
| Kirby-McInnis O-3-13507 | Theuvenins Creek (Wilcox 8400) | Tyler | 2 | 159K | 7.31K | Jan 1993 – Jul 2026 |
| Moller O-3-23416 | Danbury Dome (5655 Sand) | Brazoria | 3 | 130K | 122K | Nov 1997 – Jul 2026 |
| Kirby-McInnis O-3-12858 | Theuvenins Creek (Yegua 1 -D) | Tyler | 1 | 106K | 3.18K | Jan 1993 – Jul 2026 |
| Atlantic-Sinclair Fee 'B' O-3-8784 | Ramers Island (Wilcox 7890) | Tyler | 1 | 97.5K | 144K | Jan 1993 – Jul 2026 |
| Atlantic Sinclair Fee O-3-20577 | Ramers Island (Yegua 5600) | Tyler | 3 | 94.1K | 240K | Jan 1993 – Jul 2026 |
| Atlantic Sinclair Fee O-3-20688 | Ramers Island | Tyler | 2 | 89.9K | 146K | Jan 1993 – Jul 2026 |
| Rosenfelder O-2-9334 | Helen Gohlke ( Wilcox) | DE Witt | 1 | 86.1K | 0 | Jun 2009 – Jul 2026 |
| Hurd O-3-17689 | Joes Lake, E.(1ST Wilcox) | Tyler | 3 | 79.6K | 60 | Jan 1993 – Jul 2026 |
| Gohlke Heirs -A- O-2-671 | Helen Gohlke ( Wilcox) | DE Witt | 5 | 75.8K | 141K | Jan 1993 – Jul 2026 |
| Myska, Robert O-3-22768 | Boling | Fort Bend | 4 | 71.6K | 22 | Jul 1995 – Jul 2026 |
| Cockburn Oil Corp. O-3-4733 | Humble | Harris | 3 | 65.6K | 269 | Jan 1993 – Jul 2026 |
| Oliver Unit O-3-11316 | Oliver (Frio 8640) | Brazoria | 1 | 19.2K | 19.6K | Jan 1993 – Jul 2026 |
| Minor Oil Company O-3-4705 | Humble | — | 3 | 8.98K | 18 | Jan 1993 – Jul 2026 |
| Zengerle, Wayne O. et UX O-2-9390 | Arneckeville (Wilcox B) | DE Witt | 1 | 43 | 331 | Feb 2010 – Jul 2026 |
| Oliver Unit G-3-49527 | Oliver (Frio 8750,E.) | Brazoria | 1 | 0 | 185 | Jan 1993 – Jul 2026 |
| Kloss, Ed L. G-3-49931 | Oliver (Frio 8640) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Kirby-McInnis G-3-103318 | Theuvenins Creek (Yegua 1 -D) | Tyler | 1 | 0 | 108K | Jan 1993 – Jul 2026 |
| B. P. Fee G-3-213299 | New Ulm, SW (10,300) | Colorado | 1 | 0 | 279K | Dec 2005 – Jul 2026 |
| Atlantic Sinclair Fee G-3-228622 | Ramers Island (Yegua 5540) | Tyler | 1 | 0 | 53.2K | Jun 2007 – Jul 2026 |
| Atlantic Sinclair Fee G-3-242355 | Ramers Island (Yegua 5480) | Tyler | 1 | 0 | 209K | Jul 2008 – Jul 2026 |
| B. P. Fee G-3-259547 | New Ulm (Wilcox 10500) | Colorado | 1 | 0 | 0 | May 2009 – Jul 2026 |
| Engelman Community -A- G-4-13977 | San Salvador (Consolidated Frio) | — | 1 | 0 | 194K | Jan 1993 – Jul 2026 |
| Wilcox, H. E. G-4-13984 | San Salvador (Consolidated Frio) | — | 1 | 0 | 708K | Jan 1993 – Jul 2026 |
| Engleman, J. C., Jr. G-4-13995 | San Salvador (Consolidated Frio) | — | 1 | 0 | 677K | Jan 1993 – Jul 2026 |
| Youngblood Gas Unit G-4-14004 | San Salvador (Consolidated Frio) | — | 1 | 0 | 853K | Jan 1993 – Jul 2026 |
| Engleman, J. C., Jr. G-4-14022 | San Salvador (Consolidated Frio) | — | 1 | 0 | 1.03M | Jan 1993 – Jul 2026 |
| Cardenas, Josefa G-4-33078 | San Salvador (Consolidated Frio) | — | 1 | 0 | 572K | Jan 1993 – Jul 2026 |
| Barrera-Leyendecker GU 1 G-4-169825 | Leyendecker (6100) | Webb | 1 | 0 | 310K | Aug 1998 – Jul 2026 |
| Volpe G-4-170400 | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 0 | 4.87M | Oct 1998 – Jul 2026 |
| C.H. Ramirez Minerals, Ltd. G-4-215181 | Hereford (Lobo) | Webb | 1 | 0 | 981K | Oct 2005 – Jul 2026 |
| C.H. Ramirez Minerals, Ltd. G-4-222207 | Hereford (Lobo) | Webb | 1 | 0 | 738K | Jun 2006 – Jul 2026 |
| Ramirez, C.H. Minerals, Ltd B G-4-232488 | Hereford (Lobo) | Webb | 1 | 0 | 7.06M | Oct 2007 – Jul 2026 |
| Vergara G-4-233208 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 0 | 659K | Sep 2007 – Jul 2026 |
| Garza G-4-233226 | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 0 | 690K | Jun 2007 – Jul 2026 |
| Vergara G-4-233227 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 0 | 1.3M | Nov 2007 – Jul 2026 |
| Haralson Beefmasters, Ltd. G-4-233229 | Exsun (Lobo Cons.) | Zapata | 1 | 0 | 1.28M | Sep 2007 – Jul 2026 |
| Garza G-4-235037 | Munoz (Lobo) | Zapata | 1 | 0 | 43.7K | Dec 2007 – Jul 2026 |
| Garza G-4-235923 | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 0 | 712K | Feb 2008 – Jul 2026 |
| Barrera-Leyendecker G.U. No. 1 G-4-236427 | Barrera (Lobo) | Webb | 1 | 0 | 359K | Feb 2008 – Jul 2026 |
| Volpe G-4-236753 | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 0 | 1.92M | Jan 2008 – Jul 2026 |
| Villarreal et AL G-4-237512 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 0 | 494K | Mar 2008 – Jul 2026 |
| Haralson Beefmaster, Ltd G-4-238516 | Exsun (Lobo Cons.) | Zapata | 1 | 0 | 227K | Dec 2007 – Jul 2026 |
| Fernandez G-4-241564 | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 0 | 775K | May 2008 – Jul 2026 |
| Vergara G-4-241975 | Vaquillas Ranch (Lobo Cons.) | Webb | 1 | 0 | 447K | Mar 2008 – Jul 2026 |
| Garza G-4-241977 | Munoz (Lobo) | Zapata | 1 | 0 | 627K | May 2008 – Jul 2026 |
| Martin, S. J. "A" G-4-243095 | Valley (Navarro) | Webb | 1 | 0 | 105K | Jan 2008 – Jul 2026 |
| BMT "A" G-4-245171 | Valley (Navarro) | Webb | 1 | 0 | 386K | Aug 2008 – Jul 2026 |
| Rash G-4-247007 | Roleta (Wilcox Consolidated) | Zapata | 1 | 0 | 1.1M | Aug 2008 – Jul 2026 |