| Bennett, John M. -B- O-2-7004 | McGowan Working Partners, Inc. | La Salle, West (Frio 6170) | 4 | 10.7K | 17.9K | by Jan 1993 – Dec 1998 |
| Mauritz Unit O-2-5200 | Richardson, Marshall T. | Francitas (7360) | 1 | 10.6K | 108 | by Jan 1993 – May 2004 |
| Brooking, G. T. O-2-9677 | Britnic Oil & Gas, Inc. | Swan Lake (6300) | 1 | 10.6K | 13.7K | Mar 2011 – Jul 2014 |
| Mauritz "A" G-2-269824 | Marquee Corporation | Mauritz, East (5600) | 1 | 10.6K | 346K | Sep 2012 – Feb 2016 |
| Brooking, G. T. O-2-10548 | Britnic Oil & Gas, Inc. | Swan Lake (7465) | 1 | 10.5K | 29.4K | Jan 2013 – Mar 2023 |
| Schuech Unit No. 1 O-2-7216 | Engelke, R. H. | TW (Frio 7765) | 1 | 10.5K | 39.9K | by Jan 1993 – Sep 1995 |
| Goff G-2-237964 | SV Energy Company, LLC | Cantankerous (Yegua) | 1 | 10.4K | 876K | Jun 2008 – Nov 2011 |
| Hackbarth-Bures O-2-11768 | Viper S.W.D., LLC | La Ward, North (5330) | 1 | 10.3K | 1.95K | Mar 2019 – Jul 2026 |
| J. H. Drummond O-2-10179 | Phere Operating Inc | West Ranch (Frio 6840) | 1 | 10.2K | 18.7K | Oct 2011 – Feb 2013 |
| Brooking, G. T. O-2-3477 | Bull Operating, LLC | Swan Lake (6700) | 3 | 10.2K | 29.7K | Apr 1993 – Apr 2025 |
| Stafford-Menefee G-2-198407 | Cox & Perkins Exploration, Inc. | Lost Bridge (Yegua 9400) | 1 | 10.1K | 320K | Jul 2003 – Sep 2008 |
| Layden, Pete G-2-121276 | Ken Petroleum Corporation | Lost Bridge (Yegua 7900) | 1 | 10.1K | 774K | by Jan 1993 – Dec 1998 |
| Strauss, Mike O-2-8606 | Sue-Ann Operating, L.C. | Maurbro (Patrick 5500) | 1 | 10.1K | 182K | Jan 2001 – May 2003 |
| Burditt, Allen L., et Al O-2-4339 | Kasey G. Oil & Gas | Carancahua Creek (TM C LO) | 1 | 10.1K | 58.2K | by Jan 1993 – Aug 1999 |
| Schuech, D. W. "F" O-2-12712 | Aldine Oil and Gas, LP | West Ranch (Ward) | 1 | 10K | 0 | Dec 2023 – Jul 2026 |
| Toney, Mrs. M. H. O-2-9277 | Hilcorp Energy Company | West Ranch (Lavaca) | 1 | 9.82K | 29.6K | Nov 2008 – Sep 2010 |
| Schuech, Irma "B" O-2-8042 | Angel Operating LLC | TW (Frio 6570) | 1 | 9.78K | 9.66K | Feb 1995 – May 2002 |
| Bennett G-2-226799 | Double Play Oil & Gas, Inc | La Salle (6300) | 1 | 9.78K | 528K | Jan 2007 – Aug 2025 |
| West Ranch State Oil & Gas UNIT1 O-2-12143 | Hilcorp Energy Company | West Ranch, South (Frio 5960) | 1 | 9.74K | 4.83K | Feb 2021 – May 2022 |
| Gordin Estate O-2-6462 | Hilcorp Energy Company | La Ward, North (5800 -A-) | 4 | 9.73K | 10.4K | by Jan 1993 – Nov 2019 |
| Melton Unit G-2-128290 | Ken Petroleum Corporation | Kenlon (Malibu Sand) | 1 | 9.72K | 1.23M | by Jan 1993 – Oct 2005 |
| McHaney, George O-2-4367 | Viper S.W.D., LLC | Carancahua Creek (TM a LO) | 1 | 9.66K | 36.4K | by Jan 1993 – Jun 1998 |
| Vincik O-2-9477 | Howard Exploration, Inc. | Bennview, E. (6950 Frio) | 1 | 9.62K | 0 | May 2010 – Jun 2012 |
| Weaver, T. Hensly O-2-7447 | Fredco | Laura (7450) | 1 | 9.49K | 37.9K | Mar 2000 – Mar 2008 |
| Drummond, J.H. O-2-11538 | Hilcorp Energy Company | West Ranch (Menefee 5500) | 3 | 9.48K | 2.51K | Feb 2018 – Aug 2026 |
| West Ranch "A" G-2-188861 | Vintage Petroleum, Inc. | West Ranch (Ward) | 1 | 9.38K | 454K | Dec 2001 – Feb 2005 |
| GSR G-2-182914 | Ventex Operating Corp. | Bright Falcon (Yegua 9600) | 1 | 9.37K | 80.6K | Apr 2001 – Jun 2011 |
| Wiese, Della O-2-7509 | Penn Virginia Oil & Gas Corp. | Ganado, West (5500 Duke -A-) | 1 | 9.36K | 6.88K | by Jan 1993 – Jan 1995 |
| Batt G-2-138654 | Cox & Perkins Exploration, Inc. | Bright Falcon (Yegua 10,300) | 1 | 9.34K | 2.58M | by Jan 1993 – Apr 2010 |
| Pressly, Edmonia G-2-234524 | Cordele Development Corporation | Cordele, East (2900) | 1 | 9.24K | 191K | Dec 2007 – Apr 2015 |
| Silliman, L.A. O-2-6692 | KD Energy, LLC | Ganado (F- 3-C) | 1 | 9.15K | 6.76K | Sep 2018 – Aug 2026 |
| Westhoff, A.E. G-2-249411 | Atinum Operating, Inc. | Westhoff (Combined Associated) | 1 | 9.15K | 55.1K | Dec 2008 – Apr 2010 |
| Scheel, Annie G-2-213979 | Gemarmi Inc. | Harmon, South (6400) | 1 | 9.07K | 54.6K | Nov 2008 – Dec 2014 |
| Mauritz D O-2-10986 | Marquee Corporation | Mauritz (5500) | 1 | 9.07K | 10.8K | Jan 2015 – May 2017 |
| Patman, Carrin M "A" O-2-9207 | Caskids Operating Company | Francitas, North | 1 | 9.03K | 7.4K | Aug 2008 – Jan 2015 |
| West Ranch Unit 1 O-2-8763 | Hilcorp Energy Company | West Ranch (Ward) | 1 | 8.91K | 111K | Apr 2002 – Apr 2009 |
| Scherer G-2-269578 | TC Oil and Gas, LLC | Wayside Chapel (Yegua) | 1 | 8.9K | 719K | Nov 2011 – Feb 2019 |
| Bennett, John M. B-F O-2-5153 | Snyder Oil Corporation | La Salle, West (Frio 6375) | 1 | 8.83K | 10.6K | by Jan 1993 – Aug 1994 |
| Rogers G-2-280083 | Renuergy LLC | El Toro Bueno (AY-3) | 1 | 8.77K | 137K | May 2014 – May 2022 |
| Westhoff "A" O-2-9075 | Projj Energy LLC | Westhoff (Combined Associated) | 1 | 8.73K | 43.8K | Oct 2006 – Oct 2008 |
| McInnis G-2-179950 | Sue-Ann Operating, L.C. | Ganado, Deep (Upper 6650) | 1 | 8.72K | 539K | Sep 2000 – Oct 2001 |
| Hillyer, Maude K. O-2-11232 | Beard Oil Company, LLC | Gabrysch (6300) | 1 | 8.7K | 72K | Feb 2016 – Jul 2022 |
| West Ranch State Oil & Gas UNIT1 O-2-10279 | Hilcorp Energy Company | West Ranch, S. (Frio 7050) | 1 | 8.7K | 16.1K | May 2012 – Jan 2014 |
| Robbins G-2-271741 | Cyber Enviro-Tech Inc | Westhoff (Combined Associated) | 1 | 8.67K | 443K | Aug 2013 – Nov 2024 |
| Drummond-Superior O-2-8819 | Hilcorp Energy Company | West Ranch (Glasscock) | 1 | 8.63K | 0 | Aug 2003 – Jul 2009 |
| Nowlin, C.B. Estate O-2-7428 | Cyber Enviro-Tech Inc | La Salle (Marg.) | 1 | 8.62K | 0 | Jan 2014 – Jun 2026 |
| Drummond, J. H. O-2-9107 | Hilcorp Energy Company | West Ranch (Mitchell) | 1 | 8.61K | 39 | Mar 2007 – Jul 2012 |
| Toney, M.H. O-2-10960 | Hilcorp Energy Company | West Ranch (41-a & 98-a Cons.) | 2 | 8.6K | 5.87K | Feb 2015 – Jun 2016 |
| Menefee O-2-8307 | Ffa Petroleum Services | Texana, N. (Frio 5880) | 1 | 8.58K | 36.2K | Sep 1997 – Apr 1999 |
| Mike Stauss G-2-261788 | KD Energy, LLC | Maurbro (Dinger Sand) | 1 | 8.58K | 9.44K | Nov 2011 – Jun 2014 |