| Terrell Unit G-3-146589 | Seneca Resources Corporation only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 33.9K | 816K | Jul 1993 – Aug 1999 |
| Terrell G-2-261913 | CML Exploration, LLC only | Berclair (Luling) | Goliad | 1 | 28.6K | 1.3M | Jul 2011 – Jun 2020 |
| Welder-Terrell G-2-230170 | C & E Operating, Inc. only | Devils Run (Chamberlain 3A) | Refugio | 1 | 17.4K | 917K | May 2007 – Mar 2016 |
| Terrell G-3-162090 | Crawford Hughes Operating Co. only | Giddings (Austin Chalk, Gas) | Brazos | 1 | 12.1K | 359K | Dec 1996 – Jan 2010 |
| Terrell, George G-6-197617 | Buffco Production Inc. only | Cedar Springs (Cotton Valley SD) | Upshur | 1 | 6.97K | 581K | Jul 2003 – Apr 2026 |
| Terrell Gas Unit G-6-137866 | Chisos, Ltd. only | Oak Hill (Cotton Valley) | Rusk | 1 | 6.33K | 3.17M | Jan 1993 – Apr 2026 |
| Welder-Terrell G-2-194134 | C & E Operating, Inc. only | Devil's Run (6600) | Refugio | 1 | 6.01K | 48.8K | Nov 2002 – Nov 2003 |
| Terrell G-6-164386 | Southwest Operating, Inc.-Tyler only | Purt,w. (Rodessa 10,200) | Anderson | 1 | 5.31K | 47.4K | Jun 1997 – Oct 2012 |
| Terrell G-3-153348 | Redbud E & P, Inc. only | Clay, NE (Austin Chalk 11350) | Brazos | 1 | 5.03K | 2.12M | Sep 1994 – Apr 2026 |
| Terrell Gas Unit G-6-141627 | Chisos, Ltd. only | Oak Hill (Cotton Valley) | Rusk | 1 | 3.98K | 2.69M | Jan 1993 – Mar 2026 |
| Terrell Gas Unit G-6-135067 | Chisos, Ltd. only | Oak Hill (Cotton Valley) | Rusk | 1 | 3.97K | 2.93M | Jan 1993 – Apr 2026 |
| Terrell Gas Unit G-6-218576 | Pedernales Petroleum OP, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 3.49K | 516K | Dec 2005 – Dec 2023 |
| Terrell Gas Unit G-6-163674 | TGNR East Texas II LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.98K | 2.03M | May 1997 – Apr 2026 |
| Terrell Gas Unit G-6-184682 | TGNR East Texas II LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.91K | 1.48M | Jul 2001 – Apr 2026 |
| Terrell Gas Unit G-6-177117 | TGNR East Texas II LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.61K | 1.16M | Jan 2000 – Jul 2012 |
| Terrell Gas Unit G-6-161607 | TGNR East Texas II LLC only | Oak Hill (Cotton Valley) | Rusk | 1 | 1.43K | 1.98M | Jan 1997 – Apr 2026 |
| Welder-Terrell G-2-194137 | C & E Operating, Inc. only | Devil's Run (5250) | Refugio | 1 | 1.42K | 403K | Jan 2003 – Aug 2004 |
| Welder-Terrell G-2-204466 | C & E Operating, Inc. only | Devil's Run (5250) | Refugio | 1 | 935 | 261K | Aug 2003 – Jan 2005 |
| Terrell, Emma G-8-173853 | DFG Energy Company LLC only | North Ridge (Duffer) | Eastland | 1 | 864 | 55.5K | Mar 1999 – Dec 2013 |
| Terrell, J. C. G-8-154383 | North Ridge Corporation only | Jackson (Strawn) | Stephens | 1 | 327 | 4.92K | May 1995 – May 2001 |
| Welder-Terrell G-2-205471 | C & E Operating, Inc. only | Devil's Run (5250) | Refugio | 1 | 239 | 61.7K | Dec 2004 – Mar 2006 |
| Terrell G-3-127330 | Tomcat Exploration, Inc only | Clay, N.E. (Austin Chalk 11870) | Brazos | 1 | 225 | 18.1K | Jan 1993 – Oct 1995 |
| Terrell 972 G-14-97676 | Samson Lone Star, LLC only | Follett (Morrow) | Lipscomb | 1 | 179 | 480K | Jan 1993 – Sep 2011 |
| Terrell, C.E. G-8-146517 | North Ridge Corporation only | Eastland County Regular | Eastland | 1 | 85 | 5.42K | Sep 1993 – Mar 1995 |
| Terrell, C. E. G-8-146284 | Smith Pipe of Abilene only | Eastland County Regular | Eastland | 1 | 85 | 6.3K | Jul 1993 – Mar 1995 |
| Terrell Farms G-3-131791 | Express Oil Co. only | Clay, N.E. (Austin Chalk 11870) | Brazos | 1 | 67 | 520 | Jan 1993 – Jun 1998 |
| Terrell, Etta, -A- G-2-4307 | Rincon Petroleum Corporation only | Terrell Point (3900) | Goliad | 1 | 60 | 71.7K | Jan 1993 – Jul 2009 |
| Terrell G-14-88793 | Samson Resources Company only | May (Basal Morrow) | Lipscomb | 1 | 47 | 17.2K | Jan 1993 – Sep 1993 |
| Marks G-2-256617 | Western Energy Group, LLC only | Terrell Point (3915) | Goliad | 1 | 46 | 191K | Apr 2010 – Oct 2017 |
| Swickheimer G-2-231491 | Opal Energy, Inc. only | Terrell Point (4470) | Goliad | 1 | 26 | 24K | Dec 2007 – Jan 2009 |
| Johnson, Stella G-2-194580 | Rincon Petroleum Corporation only | Terrell Point (4300) | Goliad | 1 | 9 | 54.7K | Mar 2003 – Jun 2007 |
| Terrell Gas Unit G-3-129939 | Seneca Resources Corporation only | Clay, N.E. (Austin Chalk 11870) | Brazos | 1 | 5 | 2.99K | Jan 1993 – Sep 1995 |
| Terrell, Etta C. G-2-202781 | Petra Oleum Corp. only | Coletto Creek (2300) | Victoria | 1 | 3 | 370K | Mar 2003 – Feb 2011 |
| Marks G-2-148609 | Allegro Investments, Inc. only | Terrell Point (Catahoula) | Goliad | 1 | 2 | 623K | Jan 1994 – Apr 2005 |
| Terrell "A" G-2-176350 | Petra Oleum Corp. only | Coleto Creek (4050) | Victoria | 1 | 1 | 155K | Jan 2000 – Oct 2005 |
| Lewis, K. M. Unit G-2-4308 | A & D Exploration Company only | Terrell Point (3900) | Goliad | 1 | 1 | 287K | Jan 1993 – Jul 1999 |
| Terrell, Averill Etta G-2-152532 | Petra Oleum Corp. only | Coletto Creek (2250 Stray) | Victoria | 1 | 1 | 99.4K | Dec 1994 – Nov 2007 |
| Terrell "B" G-2-146088 | Petra Oleum Corp. only | Coletto Creek (2100) | Victoria | 1 | 0 | 4.73K | Aug 1999 – Jan 2002 |
| Terrell "B" G-2-146046 | Petra Oleum Corp. only | Coletto Creek (1400 Miocene) | Victoria | 1 | 0 | 31.6K | Jun 1993 – Jan 2002 |
| Stella, Johnson G-2-96919 | Marquee Corporation only | Terrell Point (4550) | Goliad | 1 | 0 | 0 | — |
| Terrell "A" G-2-143948 | Graham Royalty, Ltd. only | Coletto Creek (4000) | Victoria | 1 | 0 | 0 | — |
| Swickheimer et Al G-2-139843 | Tucker Operating Co., Inc. only | Terrell Point (Catahoula) | Goliad | 1 | 0 | 64.8K | Jan 1993 – Oct 1995 |
| Johnson, Stella G-2-93933 | Marquee Corporation only | Terrell Point (4450) | Goliad | 1 | 0 | 0 | — |
| State of Texas G-2-44060 | Mayfield Engineering Service only | Terrell Point, E. (4030) | — | 0 | 0 | 0 | — |
| Terrell, Etta B G-2-138641 | Enron Oil & Gas Company only | Terrell Point (3965) | Victoria | 1 | 0 | 0 | — |
| Terrell A G-2-138313 | Petra Oleum Corp. only | Coletto Creek (4550) | Victoria | 1 | 0 | 389K | Jan 1993 – Jan 2003 |
| Johnson, Stella G-2-56815 | Rincon Petroleum Corporation only | Terrell Point (Catahoula) | Goliad | 1 | 0 | 301K | Jan 1993 – Dec 2009 |
| Johnson, Stella G-2-192628 | Rincon Petroleum Corporation only | Terrell Point (2850) | Goliad | 1 | 0 | 0 | — |
| Terrell, Etta -C- G-2-131651 | Petra Oleum Corp. only | Coletto Creek (3800 Frio) | Victoria | 1 | 0 | 147K | Jan 1993 – Apr 2001 |
| O'Connor, Dennis et al -D- G-2-179819 | T-C Oil Company, LLC only | Terrell Point (2800) | Goliad | 1 | 0 | 95.8K | Jun 2000 – Feb 2015 |