| Mayo-Koonce GU G-4-197769 | Energy Twenty Operating LLC only | White Point, East (Consolidated) | San Patricio | 1 | 23.1K | 842K | Sep 2003 – Jun 2019 |
| Mayo Koonce GU G-4-201058 | Southcoast Production Inc only | White Point, East (Consolidated) | San Patricio | 1 | 5.38K | 434K | Mar 2004 – Jun 2019 |
| Koonce Gas Unit G-3-214666 | Mountain V Texas, LLC only | Bob Alexander (Massive Wilcox) | Wharton | 1 | 2.21K | 2.31M | Oct 2005 – Jul 2026 |
| Koonce Gas Unit G-3-216466 | Mountain V Texas, LLC only | Bob Alexander (Massive Wilcox) | Wharton | 1 | 2.13K | 251K | Mar 2006 – Jul 2026 |
| Koonce Gas Unit G-3-209048 | Mountain V Texas, LLC only | Bob Alexander (Massive Wilcox) | Wharton | 1 | 1.55K | 2.61M | Jan 2005 – Jul 2026 |
| St. Nueces Bay -Abc- Gas Unit G-4-162614 | Comstock Oil & Gas, Inc. only | White Point, East (Koonce) | San Patricio | 1 | 1.47K | 20K | Feb 1997 – Oct 1997 |
| Mayo-Koonce GU G-4-174668 | EOG Resources, Inc. only | White Point, E. (5990) | San Patricio | 1 | 789 | 220K | Sep 1999 – May 2009 |
| Mayo Owen GU G-4-197441 | Peoples Energy Prod.-TX, L.P. only | White Point, East (Koonce) | San Patricio | 1 | 692 | 22.2K | Aug 2003 – Nov 2003 |
| Koonce Gas Unit G-3-212055 | Mountain V Texas, LLC only | Bob Alexander (Massive Wilcox) | Wharton | 1 | 615 | 4.47M | Apr 2005 – Jul 2026 |
| Koonce, Tessie C. G-6-232074 | Brookston Energy, Inc. only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 496 | 540K | Sep 2007 – Aug 2026 |
| Koonce Gas Unit G-3-209742 | Mountain V Texas, LLC only | Bob Alexander (Massive Wilcox) | Wharton | 1 | 286 | 1.23M | Apr 2005 – Jul 2026 |
| Homer Koonce GU G-5-218178 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 233 | 1.98M | Dec 2005 – Jun 2026 |
| Koonce "A" G-8-107090 | Upham Oil & Gas Company only | Ittleson (4300) | Parker | 1 | 227 | 71.7K | by Jan 1993 – Sep 2017 |
| Koonce, Tessie C. G-6-116003 | Comstock Oil & Gas, LLC only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 138 | 263K | by Jan 1993 – Sep 2018 |
| Koonce, Tessie C. G-6-234381 | Brookston Energy, Inc. only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 79 | 208K | Dec 2007 – Jul 2026 |
| Koonce G-8-82302 | Upham Oil & Gas Company only | Lake Mineral Wells (4000 Congl.) | Parker | 1 | 75 | 28.3K | by Jan 1993 – Apr 2022 |
| State Tracts D & E Unit G-4-141605 | Abraxas Production Corporation only | White Point, East (Koonce) | Nueces | 1 | 64 | 18.2K | by Jan 1993 – Oct 1995 |
| Koonce "A" G-8-99049 | Upham Oil & Gas Company only | Ittleson (4300) | Parker | 1 | 53 | 180K | by Jan 1993 – Jul 2025 |
| Koonce, Tessie C. G-6-228776 | Brookston Energy, Inc. only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 40 | 434K | May 2007 – Aug 2026 |
| Koonce, Tessie C. G-6-226139 | Brookston Energy, Inc. only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 33 | 367K | Feb 2007 – Jul 2026 |
| Koonce, Tessie C. G-6-235783 | Brookston Energy, Inc. only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 28 | 210K | Jan 2008 – Jul 2026 |
| Koonce, Tessie C. G-6-206386 | Brookston Energy, Inc. only | Douglass, W. (Travis Peak) | Nacogdoches | 1 | 28 | 421K | Nov 2004 – Jul 2026 |
| Koonce, Homer G-5-124429 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 3 | 505K | by Jan 1993 – Aug 2026 |
| Koonce, Homer G-5-217624 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 2 | 1.2M | Aug 2005 – Aug 2026 |
| Koonce, Homer G-5-205589 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 1 | 1.57M | Aug 2004 – Aug 2026 |
| Homer Koonce G-5-180428 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 0 | 3.3M | Dec 2000 – Aug 2026 |
| Koonce G-3-196117 | Decker Operating Co., L.L.C. only | Hungerford, N.(4300) | Wharton | 1 | 0 | 99.3K | Jul 2003 – Jun 2007 |
| Koonce, Homer G-5-219312 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 0 | 145K | Feb 2006 – Aug 2026 |
| Koonce,jim G-8-96644 | Caraway Drilling Company only | De Leon,n. (Strawn | Comanche | 1 | 0 | 2 | Dec 1993 – Dec 1993 |
| Koonce, Jim G-8-94545 | Caraway Drilling Company only | De Leon,n. (Strawn | Comanche | 1 | 0 | 11 | Dec 1993 – Dec 1993 |
| Walton/Koonce G-3-140468 | Southcoast Production Inc only | M. Gaston (Queen City "A") | Trinity | 1 | 0 | 45.7K | by Jan 1993 – Jan 2014 |
| Mayo-Koonce GU G-4-173406 | Peoples Energy Prod.-TX, L.P. only | White Point, E. Deep (Anderson) | San Patricio | 1 | 0 | 404K | May 1999 – Feb 2004 |
| Mayo-Koonce GU G-4-157513 | Marathon Oil Company only | White Point East Deep(guedin LWR | San Patricio | 1 | 0 | 2.23M | Dec 1995 – Feb 1999 |
| Koonce, Homer G-5-172939 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 0 | 1.67M | Nov 1998 – Mar 2014 |
| Koonce, Homer G-5-195874 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 0 | 775K | Apr 2003 – Aug 2026 |
| State Tract 707 G-4-123403 | Comstock Oil & Gas, Inc. only | White Point, East (Koonce) | San Patricio | 1 | 0 | 0 | — |
| Mayo-Koonce Unit G-4-87111 | Marathon Oil Company only | White Point, E. (French Seg. A) | San Patricio | 1 | 0 | 1.24M | by Jan 1993 – Jul 1995 |
| Mayo-Koonce Unit G-4-87110 | Marathon Oil Company only | White Point, East (Koonce) | San Patricio | 1 | 0 | 32.5K | by Jan 1993 – Sep 1994 |
| Homer Koonce G-5-182961 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 0 | 1.46M | May 2001 – Feb 2024 |
| Kellogg Gas Unit G-4-76141 | Marathon Oil Company only | White Point, East (Koonce) | San Patricio | 1 | 0 | 1.38M | by Jan 1993 – Oct 1998 |
| Koonce, Homer G-5-220514 | Diversified Production LLC only | Nan-SU-Gail (CV Consolidated) | Freestone | 1 | 0 | 2.1M | Mar 2006 – Aug 2026 |
| Mayo-Koonce Unit G-4-68717 | Marathon Oil Company only | White Point, East (French) | San Patricio | 1 | 0 | 0 | — |