| Carpenter, J. R. G-2-92153 | Chesnutt Oil & Gas, Inc. only | Singleton (3950) | Bee | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| L2 Ranch G-2-102743 | Petroleum Management, Inc. only | Singleton (1900) | Bee | 1 | 0 | 0 | Jan 1993 – Dec 2016 |
| Bear Creek Ranch G-2-143880 | Discovery Energy Corp. CC only | Singleton, E. (Hockley) | Bee | 1 | 0 | 166K | Jan 1993 – Jan 1996 |
| Bear Creek Ranch G-2-149953 | Discovery Energy Corp. CC only | Singleton, E. (Pettus) | Bee | 1 | 0 | 121K | Mar 1994 – Feb 1996 |
| Bear Creek Ranch G-2-157869 | Bellows Operating Co., L. C. only | Singleton, E. (Hockley) | Bee | 1 | 0 | 303K | Feb 1996 – Jul 2024 |
| Freeze G-2-167470 | Edge Petroleum Oper. Co., Inc. only | Singleton (Pettus) | Bee | 1 | 0 | 64K | Jan 1998 – Aug 2001 |
| D. Martin Gas Unit G-2-168811 | Edge Petroleum Oper. Co., Inc. only | Singleton (Pettus) | Bee | 1 | 0 | 449K | Apr 1998 – Jul 2006 |
| Culli G-2-173186 | Edge Petroleum Oper. Co., Inc. only | Singleton, E. (Pettus) | Bee | 1 | 0 | 72.8K | Oct 1998 – Oct 2001 |
| Long G-2-183653 | Enco Exploration Company only | Singleton (Hockley 3800) | Bee | 1 | 0 | 273K | Mar 2001 – Sep 2009 |
| Long G-2-205535 | Enco Exploration Company only | Singleton (Pettus) | Bee | 1 | 0 | 44.6K | Jun 2004 – Jul 2006 |
| Culli G-2-237248 | Enco Exploration Company only | Singleton (Pettus) | Bee | 1 | 0 | 86.4K | May 2008 – Dec 2009 |
| Culli G-2-245526 | Enco Exploration Company only | Singleton (Hockley 3800) | Bee | 1 | 0 | 21K | Jan 2009 – Aug 2009 |
| Smith Gill Unit G-2-250401 | Kebo Oil & Gas, Inc. only | Singleton, E. (Wilson) | Bee | 1 | 0 | 49K | May 2009 – Apr 2016 |
| Malone G-2-262238 | Trailblazer Oil & Gas LLC only | Singleton (Hockley 3800) | Bee | 1 | 0 | 101K | Aug 2011 – Jul 2026 |
| Finger et al Unit G-2-263097 | Zachry Exploration, LLC only | Singleton (Pettus) | Bee | 1 | 0 | 78.5K | Oct 2011 – May 2015 |
| Finger et al Unit G-2-282337 | Zachry Exploration, LLC only | Singleton (Hockley 3800) | Bee | 1 | 0 | 6.84K | Jan 2017 – Oct 2017 |
| Long G-2-283437 | Long, Fred E. only | Singleton (1900) | Bee | 1 | 0 | 5.52K | Jul 2017 – Jul 2026 |
| Culli-McKay G-2-286049 | Chandler Oil & Gas, LLC only | Singleton (Pettus) | Bee | 1 | 0 | 3.45K | Jan 2019 – Jul 2026 |
| Singleton Gas Unit G-4-182456 | Teamco Operating LLC only | Portland, N. (Commonwealth Serie | San Patricio | 1 | 0 | 35.7K | Feb 2001 – Jan 2002 |
| Singleton G-8-18070 | Jeff Dooley Operating, LLC only | Palo Pinto Co. Reg. (Gas) | — | 1 | 0 | 0 | Jan 1993 – Oct 2014 |
| Lamkin G-8-59863 | Singleton, W. only | Bethesda (Big Saline) | — | 1 | 0 | 0 | Jan 1993 – Aug 1997 |
| Singleton, T. F. G-8-72261 | Upham Oil & Gas Company only | Palo Pinto Co. Reg. (Gas) | Palo Pinto | 1 | 0 | 57.5K | Jan 1993 – May 2024 |
| Featherston, Baxter G-8-85793 | Singleton, W. only | Buttram (Harkey) | Coleman | 1 | 0 | 0 | Jan 1993 – May 1997 |
| Baxter Featherston G-8-93271 | Singleton, W. only | Buttram (Harkey) | Coleman | 1 | 0 | 0 | Jan 1993 – Sep 1994 |
| Baxter Featherston G-8-93272 | Singleton, W. only | Buttram (Harkey) | Coleman | 1 | 0 | 0 | Jan 1993 – Jun 1997 |
| Baxter Feasterston G-8-93273 | Singleton, W. only | Buttram (Harkey) | Coleman | 1 | 0 | 0 | Jan 1993 – Jun 1997 |
| Baxter Featherston G-8-93274 | Singleton, W. only | Buttram (Harkey) | Coleman | 1 | 0 | 0 | Jan 1993 – Jun 1997 |
| Featherston, Baxter G-8-101959 | Singleton, W. only | Buttram (Harkey) | Coleman | 1 | 0 | 0 | Jan 1993 – May 1997 |
| Singleton G-8-119240 | Petex only | Stephens County Regular (Gas) | Stephens | 1 | 0 | 171K | Jan 1993 – Jul 2026 |
| Bucy, Betty G-8-143543 | Singleton Oil only | Brown Co. Regular (Marble Falls) | Brown | 1 | 0 | 0 | Jan 1993 – Sep 2007 |
| B & D G-8-155361 | Triple Singleton, Inc. only | Shackelford County Regular (Gas) | Shackelford | 1 | 0 | 270K | Aug 1995 – Jan 2014 |
| Brackeen G-8-165964 | Talon Production, Inc. only | Singleton (Big Saline) | Erath | 1 | 0 | 0 | Aug 1997 – May 2000 |
| Brackeen G-8-167193 | Talon Production, Inc. only | Singleton (Big Saline) | Erath | 1 | 0 | 0 | Aug 1997 – Feb 1998 |
| Ezzell G-8-179393 | Singleton Investments, Inc. only | Callahan County Regular (Gas) | Callahan | 1 | 0 | 37.4K | Sep 2000 – Feb 2006 |
| Ezzell G-8-183919 | Singleton Investments, Inc. only | Callahan County Regular (Gas) | Callahan | 1 | 0 | 1.48K | Apr 2001 – Feb 2006 |
| Ezzell G-8-183920 | Singleton Investments, Inc. only | Callahan County Regular (Gas) | Callahan | 1 | 0 | 1.19K | Apr 2001 – Feb 2006 |
| Ezzell G-8-188456 | Singleton Investments, Inc. only | Callahan County Regular (Gas) | Callahan | 1 | 0 | 2.16K | Sep 2001 – Feb 2006 |
| Ezzell G-8-188939 | Singleton Investments, Inc. only | Callahan County Regular (Gas) | Callahan | 1 | 0 | 1.57K | Apr 2002 – Feb 2006 |
| Singleton, Joe G-8-190182 | Stovall Operating Co. only | Graford (Congl. 4150) | Palo Pinto | 1 | 0 | 83.2K | Jul 2002 – Aug 2005 |
| Ezzell G-8-193385 | Singleton Investments, Inc. only | Callahan County Regular (Gas) | Callahan | 1 | 0 | 0 | Oct 2002 – Feb 2006 |
| Singleton, Joe G-8-195779 | Stovall Operating Co. only | Palo Pinto Co. Reg. (Gas) | Palo Pinto | 1 | 0 | 97.7K | Apr 2003 – Jul 2026 |
| Singleton, Joe G-8-200559 | Stovall Operating Co. only | Palo Pinto Co. Reg. (Gas) | Palo Pinto | 1 | 0 | 116K | Mar 2004 – Jul 2026 |
| Singleton G-8-205060 | Robert C. Brower, LLC only | Hart Ranch (Strawn 2850) | Palo Pinto | 1 | 0 | 98.9K | Sep 2004 – Jul 2026 |
| Singleton, Joe G-8-209104 | Stovall Operating Co. only | Oran (4230 Congl) | Palo Pinto | 1 | 0 | 102K | May 2005 – Jul 2026 |
| Singleton, Joe G-8-236874 | Stovall Operating Co. only | Hart Ranch (Strawn) | Palo Pinto | 1 | 0 | 41K | Jan 2008 – Mar 2025 |
| Sky Singleton G-8-241930 | Cholla Petroleum, Inc. only | Graford, S. (Congl.) | Palo Pinto | 1 | 0 | 54.2K | Jun 2008 – Feb 2016 |
| Singleton, Joe G-8-259003 | Stovall Operating Co. only | M.E.S. (Ellenberger) | Palo Pinto | 1 | 0 | 50.9K | Sep 2010 – Jul 2026 |
| Superior G-10-106590 | Singleton, Wayne only | Cactus Jack (Wichita - Albany) | Pecos | 1 | 0 | 0 | Jan 1993 – Jul 1996 |
| Singleton, T. F. G-13-70202 | Sweetwater Drilling Co., Inc. only | Jack County Regular (Gas) | — | 1 | 0 | 127K | Jan 1993 – Jul 2026 |
| Singleton, J. R. G-13-80344 | Richey, Ray Management Co., Inc. only | Boonsville (Bend Congl., Gas) | Wise | 1 | 0 | 91.1K | Jan 1993 – Feb 2013 |