| Spielhagen, E. J. -B- O-2-345 | CTR Petroleum, Inc. | Cosden, West | 3 | 22.5K | 21 | by Jan 1993 – Jul 2004 |
| McFall-Kerby O-2-8981 | Halex Oil Corporation | Rudman, W. (Queen City) | 1 | 22K | 10.7K | May 2005 – Sep 2018 |
| Hancock, D.W. O-2-6266 | Redhorn Resources, LLC | Clareville (Hockley 4500) | 3 | 21.5K | 132 | by Jan 1993 – Jan 2026 |
| Npu (Ray -9L) G-2-60137 | Legend Natural Gas II, LP | Tulsita-Wilcox ( Massive) | 1 | 21.5K | 1.85M | Oct 1993 – Sep 1997 |
| Davis, Nona Berry O-2-10471 | Welderxp Ltd. | Yougeen (Hockley 4500) | 2 | 21.4K | 80K | Feb 2013 – Oct 2024 |
| Morris O-2-9398 | Nog Production & Operating LLC | Tuleta | 2 | 21.1K | 12.7K | Oct 2009 – Jul 2026 |
| Mansker-Shell Unit G-2-183334 | Hughes, Dan A. Company | Causey (7750) | 1 | 21K | 611K | Feb 2001 – Jul 2003 |
| Brown O-2-10957 | Headwaters Energy Partners, LLC | Beeville, W. (Hockley) | 1 | 21K | 14.6K | Sep 2014 – Sep 2016 |
| Cryer, Julia B. et Al O-2-6557 | Texas, Les & Co. | Norbee, S. E. (Hockley 4000) | 1 | 20.6K | 15.6K | by Jan 1993 – Nov 2019 |
| Page, Gladys O-2-10719 | Welderxp Ltd. | Cosden, West (Mackhank) | 1 | 20.3K | 11.1K | Jul 2013 – Oct 2018 |
| Berger O-2-7248 | CLR Gauging Corp. | Mudhill (Hockley) | 1 | 20.3K | 4.03K | by Jan 1993 – Aug 2026 |
| McFall Kerbey O-2-9366 | Halex Oil Corporation | Rudman, W. (Queen City) | 1 | 20.2K | 2.72K | Nov 2009 – Oct 2019 |
| Grissom G-2-214360 | Tidal Petroleum, Inc. | Cosden, West (Wilcox 9500) | 1 | 20.2K | 927K | Jun 2005 – May 2017 |
| Fox, J. E. et Al G-2-160481 | Oil & Gas Acquisition Group, Inc | Caesar, South (7200) | 1 | 20.1K | 661K | Sep 1996 – Oct 2000 |
| Bush, Edith Smith O-2-7059 | Staples, James W. Prod. Co. | San Domingo, S. (3100 Sd.) | 2 | 20K | 38.1K | by Jan 1993 – Aug 2026 |
| Sutherland O-2-7058 | Vaquero Operating | Sutherland (Luling Lower) | 1 | 19.9K | 27 | by Jan 1993 – Sep 2019 |
| McKinney, J. E. O-2-8247 | Magnum Producing, LP | Pettus, SE. (Wilcox 7650) | 1 | 19.9K | 50.9K | Jan 1997 – Oct 2014 |
| Edler, J.B. O-2-9580 | Welderxp Ltd. | Yougeen (Yegua 5400) | 1 | 19.8K | 264K | Oct 2010 – Oct 2025 |
| Patterson, Buster & Dorothy O-2-7452 | Wallis Energy, Inc. | Singleton, East (4020) | 1 | 19.7K | 111 | by Jan 1993 – Jun 2026 |
| Sky McCarn G-2-301293 | Warwick-Artemis, LLC | Sugarkane (Eagle Ford) | 1 | 19.7K | 1.97M | Dec 2025 – Aug 2026 |
| Normanna Townsite Unit II O-2-8734 | Wallis Energy, Inc. | Normanna (Hockley 3525) | 1 | 19.7K | 45.2K | Aug 2002 – Apr 2006 |
| Brown, Ed G-2-207642 | Vision Oil and Gas LLC | Holzmark, E. (10,300) | 1 | 19.6K | 1.56M | Aug 2004 – Aug 2021 |
| Karen Kennedy Unit A G-2-297801 | Burlington Resources O & G Co LP | Sugarkane (Eagle Ford) | 1 | 19.3K | 1.25M | Feb 2024 – Aug 2026 |
| Murphy, John #1-A O-2-6945 | Granite Crossing, LLC | Papalote, E. (3250) | 1 | 18.8K | 3 | Jul 1994 – Aug 2026 |
| Perez, Porfirio -B- O-2-5511 | Staples, James W. Prod. Co. | Tuleta (Hockley) | 1 | 18.6K | 386 | by Jan 1993 – Apr 2026 |
| Wtu Robinson G-2-209990 | Britanco, L.L.C. | Tuleta, West (Slick-Wilcox 7900) | 1 | 18.5K | 969K | Apr 2005 – Aug 2026 |
| Hughes Unit O-2-10283 | Headwaters Energy Partners, LLC | Norbee S. (Yegua 4800) | 1 | 18.3K | 11.1K | May 2012 – Aug 2019 |
| Wtu-Gill G-2-135005 | West Tuleta Operating Corp. | Tuleta, West (8760) | 1 | 18.2K | 1.38M | by Jan 1993 – Aug 2003 |
| Grissom Unit G-2-222043 | Tidal Petroleum, Inc. | Cosden, West (Wilcox 9500) | 1 | 18.2K | 721K | Sep 2006 – Oct 2015 |
| Karen Kennedy Unit A G-2-266284 | Burlington Resources O & G Co LP | Sugarkane (Eagle Ford) | 1 | 18.1K | 1.89M | Oct 2012 – Aug 2026 |
| Brown, Edwin O-2-4860 | Staples, James W. Prod. Co. | Normanna, SW (Hockley 3600) | 4 | 18.1K | 1.25K | by Jan 1993 – Feb 2019 |
| Brinkoeter, H. C. G-2-256869 | Rock Resources, Inc. | Yoward, SW. (Slick) | 1 | 18K | 579K | Feb 2005 – Aug 2026 |
| Linney, Margaret M O-2-5672 | Outline Oil Company LLC | Papalote, E. (3250) | 1 | 18K | 21 | by Jan 1993 – Jul 2023 |
| Arc - Thomson - Barrow G-2-229827 | Aurora Resources Corporation | Burkes Ridge (Vksbg 4800) | 1 | 17.9K | 54.2K | Apr 2007 – Jul 2010 |
| Olson O-2-8520 | Chandler Oil & Gas, LLC | Tuleta | 1 | 17.8K | 17.7K | Dec 1999 – Jan 2002 |
| Fox O-2-11458 | Dynamic Production, Inc. | Blanconia, South | 2 | 17.5K | 15.5K | Nov 2017 – Oct 2023 |
| Martinson O-2-10599 | Sydson Energy, Inc. | Ray (Vicksburg-Hockley) | 2 | 17.4K | 430K | Sep 2013 – Jun 2026 |
| Helm-Arburn Unit G-2-207976 | Hughes, Dan A. Company, L.P. | Garden (Middle Wilcox) | 1 | 17.3K | 215K | Dec 2004 – Aug 2005 |
| Karen Kennedy Unit A G-2-298234 | Burlington Resources O & G Co LP | Sugarkane (Eagle Ford) | 1 | 17.2K | 1.4M | Feb 2024 – Aug 2026 |
| Sky City B G-2-294271 | Warwick-Artemis, LLC | Sugarkane (Eagle Ford) | 1 | 17.1K | 3.04M | Sep 2022 – Aug 2026 |
| Stoltzfus Estate O-2-1554 | Staples, James W. Prod. Co. | Tuleta, West (Hockley) | 4 | 16.9K | 1.59K | by Jan 1993 – Aug 2026 |
| Thomson-Barrow O-2-8789 | Dewbre Petroleum Corporation | Papalote, E. (3250 -B-) | 1 | 16.8K | 0 | May 2003 – Jun 2013 |
| McKinney, J.E. G-2-145179 | Hughes, Dan A. Company | Pettus, S.E. (Slick) | 1 | 16.7K | 307K | Mar 1993 – Mar 1999 |
| Roberts G-2-149128 | Shoreham Oil & Gas Company, Inc. | Strauch-Wilcox (Vela) | 1 | 16.6K | 479K | Mar 1994 – Sep 2006 |
| Karen Kennedy Unit A G-2-298236 | Burlington Resources O & G Co LP | Sugarkane (Eagle Ford) | 1 | 16.6K | 1.52M | Feb 2024 – Aug 2026 |
| Smith, W. S. O-2-8364 | Edge Petroleum Oper. Co., Inc. | Beeville, NW. (Hockley) | 1 | 16.5K | 17.2K | Apr 1998 – Feb 2000 |
| Heldenfels O-2-7810 | Jad Oil, Inc. | Yougeen, SE. (Massive Vicksburg) | 3 | 16.4K | 67 | Jul 1993 – Aug 2000 |
| Bob White O-2-13074 | Dahco Operating, LLC | Tuleta, West (Hockley 3100) | 1 | 16.4K | 11.1K | Feb 2025 – Aug 2026 |
| McKinney, J. E. O-2-8551 | Magnum Producing, LP | Pettus, S.E. (Mutt) | 1 | 16.4K | 1.16K | Jun 2000 – Aug 2004 |
| Coffin Farms O-2-9432 | Enpower Resources Inc. | Tynan | 1 | 16.4K | 0 | Dec 2009 – Jul 2026 |