| 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 |
| Rodessa "B" Waterflood Unit 1 O-6-11696 | Sulphur River Exploration, Inc. | Bryans Mill (Rodessa B) | Cass | 7 | 30.8K | 35.6K | Apr 1993 – Nov 1993 |
| 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 |
| Arrington Gas Unit G-6-76134 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 28.4K | 2.65M | Jan 1993 – Jul 2024 |
| Indian Rock Gas Unit No. 9 G-6-204547 | Sulphur River Exploration, Inc. | Gilmer (Cotton Valley Sands) | Upshur | 1 | 27.3K | 2.28M | Jun 2003 – Apr 2026 |
| Indian Rock Gas Unit No. 8 G-6-189722 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 27K | 1.81M | May 2002 – Apr 2026 |
| Arrington-Clemens Gas Unit G-6-169282 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 25.5K | 2.18M | Jul 1998 – Apr 2026 |
| Laughlin G-6-227959 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 25.3K | 2.22M | Dec 2006 – Apr 2026 |
| Indian Rock Gas Unit #9 G-6-211098 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 24.4K | 673K | Feb 2005 – Apr 2026 |
| Indian Rock Gas Unit 3 G-6-184695 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 23.1K | 1.86M | Jul 2001 – Apr 2026 |
| Indian Rock Gas Unit NO 2 G-6-145317 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 22.9K | 2.42M | Apr 1993 – Mar 2026 |
| Indian Rock Gas Unit 3 G-6-187292 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 22.9K | 1.37M | Jan 2002 – Apr 2026 |
| Portland Gas Unit - B G-4-147374 | Sulphur River Exploration, Inc. | Portland, W. (F-9) | San Patricio | 1 | 22.8K | 2.5M | Nov 1993 – Mar 2026 |
| Warren Oil Unit #1 O-6-5386 | Sulphur River Exploration, Inc. | Gilmer (Cotton Valley Upper) | Upshur | 1 | 22.8K | 63.9K | Jan 1993 – Apr 2026 |
| Indian Rock Gas Unit #7 G-6-181914 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 22.2K | 2.59M | Feb 2001 – Apr 2026 |
| Indian Rock Gas Unit No. 1 G-6-184679 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 21.8K | 1.79M | May 2001 – Aug 2025 |
| Clemens Unit G-6-186537 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 21.5K | 2.88M | Oct 2001 – Apr 2026 |
| Indian Rock Gas Unit 3 G-6-187291 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 20.7K | 1.94M | Dec 2001 – Jun 2025 |
| Indian Rock Gas Unit 3 G-6-186493 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 19K | 2.14M | Oct 2001 – Apr 2026 |
| Trammel, H. J. Gas Unit G-6-83988 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 18.8K | 1.38M | Jan 1993 – Apr 2026 |
| Laughlin G-6-214128 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 18.6K | 2.83M | Apr 2005 – Apr 2026 |
| Indian Rock Gas Unit No. 6 G-6-278705 | Sulphur River Exploration, Inc. | Gilmer (Cotton Valley Sands) | Upshur | 1 | 18.3K | 495K | Mar 2015 – Apr 2026 |
| Portland Gas Unit "A" G-4-181887 | Sulphur River Exploration, Inc. | Portland, N. (Commonwealth Serie | San Patricio | 1 | 18.2K | 129K | Jan 2001 – Oct 2016 |
| Indian Rock Gas Unit #5 G-6-187126 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 17.6K | 1.96M | Nov 2001 – Dec 2022 |
| Latham "B" O-6-14826 | Sulphur River Exploration, Inc. | Bryans Mill (Rodessa Cons.) | Cass | 2 | 17.1K | 138K | Sep 2008 – Oct 2021 |
| Kubena Gas Unit G-2-145248 | Sulphur River Exploration, Inc. | Word, N. (Edwards) | Lavaca | 1 | 17.1K | 2.94M | Apr 1993 – May 2019 |
| Trammel, H. J. Gas Unit G-6-149710 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 16.8K | 1.15M | May 1994 – Apr 2026 |
| Indian Rock Gas Unit NO 2 G-6-47040 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 16.8K | 1.42M | Jan 1993 – Apr 2026 |
| Indian Rock Gas Unit NO 2 G-6-187972 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 16.4K | 1.83M | Jan 2002 – Apr 2026 |
| Clack 277 O-8-28053 | Sulphur River Exploration, Inc. | Peacock, S. (Tannehill) | Stonewall | 1 | 15.6K | 0 | Oct 1996 – Jul 2013 |
| Indian Rock Gas Unit #9 G-6-186290 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 14.6K | 1.36M | Sep 2001 – Apr 2026 |
| Indian Rock Gas Unit #7 G-6-190575 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 14.5K | 2.17M | Jun 2002 – Apr 2026 |
| Indian Rock Gas Unit No. 9 G-6-205039 | Sulphur River Exploration, Inc. | Gilmer (Cotton Valley Sands) | Upshur | 1 | 13.7K | 1.04M | Aug 2003 – Apr 2026 |
| Indian Rock Gas Unit No. 8 G-6-181395 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 13.4K | 2.17M | Jan 2001 – Apr 2026 |
| Arrington Gas Unit G-6-46911 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 12.5K | 1.26M | Jan 1993 – Apr 2026 |
| Indian Rock Gas Unit No. 11 G-6-204814 | Sulphur River Exploration, Inc. | Gilmer (Cotton Valley Sands) | Upshur | 1 | 11.9K | 1.11M | Dec 2003 – Apr 2026 |
| Dean Gas Unit G-6-222244 | Sulphur River Exploration, Inc. | Gilmer(jurassic) | Upshur | 1 | 11.8K | 1.46M | Mar 2006 – Apr 2026 |