| Carbondale Unit G-6-145827 | Sulphur River Exploration, Inc. | Carbondale (Smackover 9660) | Cass | 1 | 214K | 1.29M | Jun 1993 – Oct 2015 |
| Portland Gas Unit "D" G-4-233979 | Sulphur River Exploration, Inc. | Portland, N. (Commonwealth Serie | San Patricio | 1 | 204K | 3.33M | Mar 2008 – Apr 2026 |
| Ashford, H. Gas Unit G-6-72957 | Sulphur River Exploration, Inc. | Carbondale, N. (Smackover) | Bowie | 1 | 177K | 999K | Jan 1993 – Apr 2026 |
| Indian Rock Gas Unit No. 8 G-6-142336 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 123K | 7.89M | Jan 1993 – Apr 2026 |
| Indian Rock Gas Unit No. 1 G-6-141271 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 109K | 8.51M | Jan 1993 – Mar 2026 |
| Portland Gas Unit "D" G-4-177359 | Sulphur River Exploration, Inc. | Portland, W. (F-6) | San Patricio | 1 | 105K | 987K | Apr 2000 – Apr 2026 |
| Indian Rock Gas Unit #7 G-6-142295 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 95.1K | 7.59M | Jan 1993 – Apr 2026 |
| Indian Rock Gas Unit #5 G-6-142654 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 89.6K | 7.3M | Jan 1993 – Feb 2026 |
| Clemens Unit G-6-145228 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 89.5K | 6.49M | Apr 1993 – Apr 2026 |
| Indian Rock Gas Unit #5 G-6-141719 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 88K | 6.61M | Jan 1993 – Mar 2021 |
| Indian Rock Gas Unit #5 G-6-143430 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 87.2K | 6.08M | Jan 1993 – Apr 2026 |
| Indian Rock Gas Unit No. 8 G-6-144730 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 79.3K | 6.64M | Mar 1993 – May 2024 |
| Indian Rock Gas Unit 3 G-6-140964 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 78.4K | 7.06M | Jan 1993 – Apr 2026 |
| Clemens Unit G-6-145268 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 76.7K | 5.74M | Apr 1993 – Apr 2026 |
| Indian Rock Gas Unit 6 G-6-145050 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 71.7K | 5.78M | Mar 1993 – Apr 2026 |
| Indian Rock Gas Unit 3 G-6-145068 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 68.6K | 4.64M | Mar 1993 – Apr 2026 |
| State Tract 25 G-4-110766 | Sulphur River Exploration, Inc. | Portland, S. (Morris) | San Patricio | 1 | 67.8K | 967K | Jan 1993 – Jan 2010 |
| Indian Rock Gas Unit #7 G-6-160980 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 66.3K | 6.97M | Nov 1996 – Apr 2026 |
| Indian Rock Gas Unit 6 G-6-160168 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 64.8K | 4.44M | Sep 1996 – Apr 2026 |
| Indian Rock Gas Unit #7 G-6-144870 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 64.8K | 6.3M | Mar 1993 – Apr 2026 |
| Indian Rock Gas Unit No. 1 G-6-144091 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 63.8K | 4.64M | Jan 1993 – Apr 2026 |
| Indian Rock Gas Unit 3 G-6-144599 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 62.9K | 4.74M | Feb 1993 – May 2004 |
| Indian Rock Gas Unit No. 8 G-6-47471 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 62.3K | 4.97M | Jan 1993 – Apr 2026 |
| Indian Rock Gas Unit No. 8 G-6-159473 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 59.2K | 3.77M | Jul 1996 – Apr 2026 |
| Indian Rock Gas Unit #9 G-6-180628 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 55.4K | 2.19M | Nov 2000 – Apr 2026 |
| Indian Rock Gas Unit #5 G-6-43146 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 54.9K | 4.83M | Jan 1993 – Apr 2026 |
| Indian Rock Gas Unit #9 G-6-166914 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 54.9K | 3.73M | Jan 1998 – Apr 2026 |
| Indian Rock Gas Unit #9 G-6-144260 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 47.9K | 3.46M | Feb 1993 – Jun 2003 |
| Indian Rock Gas Unit 6 G-6-44249 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 47.5K | 3.46M | Jan 1993 – Sep 2022 |
| Clemens Unit G-6-161359 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 47.1K | 3.43M | Nov 1996 – Apr 2026 |
| Delrose G.U. 1 G-6-170982 | Sulphur River Exploration, Inc. | Delrose (Haynesville) | Upshur | 1 | 45.1K | 11.6M | Oct 1998 – Apr 2026 |
| Talley "D" G-6-117827 | Sulphur River Exploration, Inc. | Hagansport (Smackover) | Franklin | 1 | 44.3K | 2.62M | Jan 1993 – Apr 2002 |
| Laughlin G-6-275917 | Sulphur River Exploration, Inc. | Gilmer (Cotton Valley Sands) | Upshur | 1 | 44.1K | 2.36M | Oct 2014 – Apr 2026 |
| Indian Rock Gas Unit 6 G-6-179633 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 40.4K | 2.4M | Sep 2000 – Apr 2026 |
| H. J. Trammell Gas Unit G-6-278322 | Sulphur River Exploration, Inc. | Gilmer (Cotton Valley Sands) | Upshur | 1 | 38.2K | 1.31M | Mar 2015 – Apr 2026 |
| Indian Rock Gas Unit #11 G-6-59218 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 38.1K | 3.91M | Jan 1993 – Apr 2026 |
| Arrington Gas Unit G-6-145371 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 36.6K | 3.38M | Apr 1993 – Apr 2026 |
| Indian Rock Gas Unit #9 G-6-49799 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 35.8K | 5.12M | Jan 1993 – Apr 2026 |
| Indian Rock Gas Unit #7 G-6-45755 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 35.6K | 3.01M | Jan 1993 – Apr 2026 |
| State Tract 25 G-4-255546 | Sulphur River Exploration, Inc. | Portland, South (Grimshaw) | San Patricio | 1 | 35K | 178K | Feb 2010 – Feb 2026 |
| Indian Rock Gas Unit No. 8 G-6-189334 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 34.6K | 2.99M | Apr 2002 – Apr 2026 |
| Indian Rock Gas Unit 1 G-6-37072 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 33.9K | 3.06M | Jan 1993 – Apr 2026 |
| Delrose G.U. 1 G-6-190162 | Sulphur River Exploration, Inc. | Delrose (Haynesville) | Upshur | 1 | 33.4K | 4.11M | Aug 2002 – Apr 2026 |
| Indian Rock Gas Unit #5 G-6-179159 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 32.6K | 2.54M | Aug 2000 – Apr 2026 |
| Indian Rock Gas Unit 8 G-6-274207 | Sulphur River Exploration, Inc. | Gilmer (Cotton Valley Sands) | Upshur | 1 | 32.6K | 1.84M | Apr 2014 – Apr 2026 |
| Indian Rock Gas Unit 3 G-6-38801 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 32.5K | 2.87M | Jan 1993 – Dec 2001 |
| Clemens Unit G-6-74485 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 32.2K | 3.39M | Jan 1993 – Mar 2023 |
| Indian Rock Gas Unit 1 G-6-143353 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 31.4K | 2.8M | Jan 1993 – Apr 2026 |
| Portland Gas Unit 'A' G-4-281783 | Sulphur River Exploration, Inc. | Portland, W. (F-13) | San Patricio | 1 | 29.8K | 1.72M | Nov 2016 – Apr 2026 |
| Indian Rock Gas Unit #7 G-6-180680 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 29.2K | 1.83M | Nov 2000 – Apr 2026 |