| State Tract 74 O-3-22226 | Umbrella Point (F-10) | Chambers | 1 | 75.2K | 126K | Dec 1993 – Jul 2026 |
| State Tract 330 O-3-24318 | Eagle Bay (Frio 13,200) | Galveston | 1 | 1.65K | 56.8K | Jan 2003 – Jul 2026 |
| Texas State Tract 87 O-3-20891 | Umbrella Point (F-10) | Chambers | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| Steinman, Edmund O-2-3655 | Provident City, NE. (6000) | — | 1 | 0 | 0 | Jan 1993 – Jul 2026 |
| State Tract 331 G-3-183756 | Eagle Bay (Vicksburg) | Galveston | 1 | 0 | 3.75M | May 2001 – Feb 2024 |
| Blow Fish Gas Unit 329 G-3-227360 | Eagle Bay (Vicksburg) | Galveston | 1 | 0 | 664K | May 2006 – Jan 2024 |
| San Leon Gas Unit G-3-185633 | Eagle Bay (Vicksburg) | Galveston | 1 | 0 | 3.59M | Oct 2001 – Nov 2023 |
| State Tract 331 G-3-178537 | Eagle Bay (Vicksburg 15750) | Galveston | 1 | 0 | 133K | Jul 2000 – Oct 2023 |
| State Tract 331 G-3-179673 | Eagle Bay (Vicksburg) | Galveston | 1 | 0 | 422K | Aug 2000 – Oct 2023 |
| State Tract 330 Gas Unit G-3-234082 | Eagle Bay (Vicksburg) | Galveston | 1 | 0 | 6.8M | Jun 2007 – Sep 2023 |
| San Leon Gas Unit B G-3-255675 | Eagle Bay (Vicksburg) | Galveston | 1 | 0 | 72.9K | Jul 2008 – Aug 2023 |
| State Tract 331 G-3-207398 | Eagle Bay (Vicksburg) | Galveston | 1 | 0 | 5.44M | Dec 2004 – Jul 2023 |
| San Leon Unit SWD G-3-176012 | Eagle Bay (Vicksburg) | Galveston | 1 | 0 | 0 | Sep 1999 – May 2023 |
| Acom, O. H. Estate Gas Unit G-3-165888 | Wildcat | Chambers | 1 | 0 | 0 | Jun 1997 – Aug 2022 |
| Acom, O. H. Estate Gas Unit G-3-168986 | Seabreeze, N. (Nodosaria 1-A) | Chambers | 1 | 0 | 3.7M | Apr 1998 – Apr 2021 |
| Texas State Tract 87 O-3-20599 | Umbrella Point (F- 4) | Chambers | 1 | 195K | 204K | Jan 1993 – Dec 2020 |
| State Tract 87 O-3-23729 | Umbrella Point (F-14) | Chambers | 2 | 119K | 209K | Sep 1999 – Dec 2020 |
| Umbrella Point Unit O-3-5752 | Umbrella Point (F- 1A) | Chambers | 2 | 336 | 3.29K | Jan 1993 – Dec 2020 |
| Frost-Acom Gas Unit G-3-206882 | Wildcat | Chambers | 1 | 0 | 0 | Nov 2004 – Aug 2020 |
| Frost-Acom Gas Unit G-3-189098 | Seabreeze (8700) | Chambers | 1 | 0 | 202K | May 2002 – Jul 2020 |
| State Tract 331 G-3-167352 | Eagle Bay (Vicksburg) | Galveston | 1 | 0 | 53.7M | Dec 1997 – Feb 2018 |
| Neuhaus, F. W. G-2-120398 | Provident City (Frio 3550) | Lavaca | 1 | 0 | 84.4K | Jan 1993 – Mar 2015 |
| Frost-Acom Gas Unit G-3-194640 | Oyster Bayou (Frio 2-8200) | Chambers | 1 | 0 | 1.34M | May 2003 – Jan 2015 |
| Korenek Gas Unit G-3-233243 | Porter's Creek, South (Wilcox) | Wharton | 1 | 0 | 23.6K | Nov 2006 – Dec 2014 |
| Corman-Hudgins G-3-212054 | Bob Alexander (Massive Wilcox) | Wharton | 1 | 0 | 922K | May 2005 – Nov 2014 |
| Trans Texas Bonus SWD G-3-193381 | Bonus, SW. (Vicksburg) | Wharton | 1 | 0 | 0 | Jul 2002 – Oct 2014 |
| Glaze Gas Unit G-3-178543 | Bonus, SW. (Wilcox) | Wharton | 1 | 0 | 426K | Aug 2000 – Oct 2014 |
| Neuhaus, F. W. G-2-180814 | Provident City (Wilcox 8,500) | Lavaca | 1 | 0 | 230K | Oct 2000 – Oct 2014 |
| Bass, W. T. G-3-205217 | Garwood, North (2100) | Colorado | 1 | 0 | 379K | Oct 2004 – Sep 2014 |