| Hill-Aldwell, Winnie R. Trust B G-9-152657 | Smith Pipe of Abilene only | Aldwell Ranch (Canyon) | Sutton | 1 | 0 | 1.3K | Aug 1994 – Aug 1996 |
| Henderson Trust "OO" G-9-151875 | Enron Oil & Gas Company only | Ozona, SW. (Strawn) | Crockett | 1 | 0 | 12.1K | Oct 1994 – Oct 1994 |
| West Ranch G-10-252996 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 61K | Apr 2009 – Sep 2023 |
| Mitchell - Williams Trust G-5-213632 | Valence Operating Company only | Stewards Mill (CV Consolidated) | Freestone | 1 | 0 | 0 | — |
| Henderson Trust "NN" G-9-151686 | Enron Oil & Gas Company only | Ozona, SW. (Strawn) | Crockett | 1 | 0 | 25.3K | Oct 1994 – Oct 1994 |
| West Ranch South G-10-252931 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 0 | — |
| West Ranch G-10-252818 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 0 | — |
| Carthage Unit G-6-29603 | Eqv Operating LLC only | Carthage (Bruster) | Panola | 1 | 0 | 0 | — |
| Holt "112" G-9-138710 | Texas Energy Trust Company only | Calvin (Dean) | Reagan | 1 | 0 | 8.11K | by Jan 1993 – Feb 1994 |
| Hill-Aldwell, Winnie R. Trust B G-9-108044 | Smith Pipe of Abilene only | Aldwell Ranch (Canyon) | Sutton | 1 | 0 | 2.22K | by Jan 1993 – Jun 1996 |
| Hill-Fawcett, Randee Trust "F" G-9-106728 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 0 | 59.2K | by Jan 1993 – Sep 1999 |
| Hill-Randee Fawcett Trust "B" G-9-105635 | Dominion Oklahoma Texas E&P, Inc only | Sawyer (Canyon) | Sutton | 1 | 0 | 57.5K | by Jan 1993 – Aug 1995 |
| Hill-Aldwell, Winnie R. Trust C G-9-103079 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 0 | 221K | by Jan 1993 – Oct 2024 |
| Winterbotham, J. M. Trust "B" G-9-98162 | OXY USA Inc. only | Dove Creek (Canyon -D-) | Irion | 1 | 0 | 134K | by Jan 1993 – Mar 2011 |
| Fawcett, Randee Trust G-9-77022 | Dominion Oklahoma Texas E&P, Inc only | Sawyer (Canyon) | Sutton | 1 | 0 | 9.26K | by Jan 1993 – Dec 1996 |
| Wendt, Jack Trustee G-9-67663 | Gedco Oil & Gas, Inc. only | Doreen (Penn.) | Kimble | 1 | 0 | 0 | — |
| Aldwell, Winnie R. Trust "D" G-9-67642 | Highmount Expl & Prod Texas LLC only | Sawyer (Canyon) | Sutton | 1 | 0 | 3.68K | by Jan 1993 – Jun 1996 |
| Aldwell, Winnie R. Trust "C" G-9-67640 | Smith Pipe of Abilene only | Aldwell Ranch (Canyon) | Sutton | 1 | 0 | 9.38K | by Jan 1993 – Jun 1996 |
| Aldwell, Winnie R. Trust -D- G-9-67339 | Enervest Operating, L.L.C. only | Sawyer (Canyon) | Sutton | 1 | 0 | 30.4K | by Jan 1993 – Mar 1999 |
| Fawcett, Randee Trust -B- G-9-66665 | Dreyfus, Louis Natural Gas Corp only | Sawyer (Canyon) | Sutton | 1 | 0 | 7.51K | by Jan 1993 – Jun 1996 |
| Aldwell, Winnie R. Trust G-9-66275 | Smith Pipe of Abilene only | Sawyer (Canyon) | Sutton | 1 | 0 | 18.8K | by Jan 1993 – Aug 1997 |
| Fawcett, Randee Trust -B- G-9-66047 | Dreyfus, Louis Natural Gas Corp only | Sawyer (Canyon) | Sutton | 1 | 0 | 19K | by Jan 1993 – Mar 1999 |
| Fawcett, Randee Trust -B- G-9-65743 | Dreyfus, Louis Natural Gas Corp only | Sawyer (Canyon) | Sutton | 1 | 0 | 3.59K | by Jan 1993 – Sep 1994 |
| Mitchell, N. M., Jr. -B- G-9-64480 | Chesapeake Operating, Inc. only | Pakenham (Thrusted) | Terrell | 1 | 0 | 36K | by Jan 1993 – Jan 1998 |
| Aldwell, Winnie R. Trust "J" G-9-64150 | Smith Pipe of Abilene only | Aldwell Ranch (Canyon) | Sutton | 1 | 0 | 10.1K | by Jan 1993 – Jan 1997 |
| Longfellow State 600 E2 G-10-252704 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 0 | — |
| Aldwell, Winnie R. Trust G-9-64147 | Enervest Operating, L.L.C. only | Sawyer (Canyon) | Sutton | 1 | 0 | 60.5K | by Jan 1993 – May 2011 |
| Fawcett, Randee Trust G-9-61509 | Dreyfus, Louis Natural Gas Corp only | Sawyer (Canyon) | Sutton | 1 | 0 | 0 | — |
| Fawcett, Randee Trust -C- G-9-58471 | Dreyfus, Louis Natural Gas Corp only | Sawyer (Canyon) | Sutton | 1 | 0 | 4.62K | by Jan 1993 – Aug 1997 |
| Fawcett, Randee Trust -B- G-9-55914 | Smith Pipe of Abilene only | Sawyer (Canyon) | Sutton | 1 | 0 | 47 | Mar 1994 – Mar 1994 |
| Maxwell Trust "A" G-8-243307 | Upham Oil & Gas Company only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 0 | 1.05K | Jan 2009 – Jun 2012 |
| Longfellow State G-10-252123 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 0 | — |
| Trust "139" Lease G-8-194423 | Van Operating, Ltd. only | Hillview (Caddo) | Shackelford | 1 | 0 | 4.19K | Jan 2003 – Jun 2003 |
| Trainer Trust G-6-262712 | Apex Natural Gas, LLC only | Carthage (Haynesville Shale) | Nacogdoches | 1 | 0 | 3.56M | Jul 2011 – Aug 2026 |
| Trust "139" G-8-174642 | Van Operating, Ltd. only | Hillview (Caddo) | Shackelford | 1 | 0 | 5.1K | Oct 1999 – Oct 1999 |
| Matthews Trust "13" G-8-167321 | Clear Fork, Incorporated only | L. G. Cook (Miss.) | Shackelford | 1 | 0 | 0 | — |
| Walker-Buckler Trust-Tract 15 G-8-82914 | Keating Energy, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 3.77K | by Jan 1993 – Aug 2026 |
| Trust "BS & F" Unit G-8-159748 | Supreme Energy Company, Inc. only | Gatlin (Caddo) | Shackelford | 1 | 0 | 34.3K | Aug 1996 – Mar 2010 |
| Mercer Trust G-8-157212 | Cumming Company, Inc. The only | Palo Pinto Co. Reg. (Gas) | Palo Pinto | 1 | 0 | 1.85K | Jan 1996 – Mar 1996 |
| Snyder Mineral Trust G-8-147659 | Hess, Jerry Operating Co. only | SMT (Ellenburger) | Callahan | 1 | 0 | 0 | — |
| Alice Walker Trust Unit G-8-138755 | EP Operating Limited Partnership only | Little Cone (Duffer Chert) | Stephens | 1 | 0 | 609 | by Jan 1993 – Apr 1993 |
| Orion P G-10-251090 | Longfellow Energy, LP only | Pinon (Overthrust) | Pecos | 1 | 0 | 0 | — |
| Dunlap G-8-135881 | Family Trust B, The only | Coleman County Regular (Gas) | Coleman | 1 | 0 | 233 | by Jan 1993 – May 1993 |
| Dunlap G-8-134897 | Family Trust B, The only | Coleman County Regular (Gas) | Coleman | 1 | 0 | 1.24K | by Jan 1993 – May 1993 |
| Aldwell, Winnie R. Trust "C" G-9-67641 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 0 | 425K | by Jan 1993 – Jul 2026 |
| Fawcett, Randee Trust "C" G-9-76211 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 0 | 99K | by Jan 1993 – Nov 2005 |
| Dunlap G-8-132733 | Family Trust B, The only | Camp Colorado, N. (Gardner) | Coleman | 1 | 0 | 127K | by Jan 1993 – Feb 2016 |
| Hooker Trust G-8-131001 | M-Tex Resources, Inc. only | Jack-Fred-Bob (Canyon Reef) | Jones | 1 | 0 | 0 | — |
| Richardson Grande Trust G-8-130626 | Gunnagoe Production, LLC only | Throckmorton County Regular(gas) | Throckmorton | 1 | 0 | 0 | — |
| Hill-Aldwell, Winnie R. Trust E G-9-103323 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 0 | 222K | by Jan 1993 – Feb 2026 |