| R Hasty Unit G-6-256679 | RFE Operating, LLC only | Woodlawn (Cotton Valley) | Marion | 1 | 45.5K | 2.45M | Apr 2010 – Apr 2026 |
| Allbright G-6-261470 | Ark-La-Tex Energy, L.L.C. only | Whelan (Cotton Valley) | Marion | 1 | 43.5K | 340K | Nov 2010 – Apr 2026 |
| Neal, J. A. Unit G-6-186368 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 42.3K | 1.01M | Mar 2001 – Apr 2026 |
| Brooks Unit (Hall Estate) G-6-135299 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 38.6K | 2.99M | Jan 1993 – Apr 2026 |
| Brooks Unit (Hall Estate) G-6-165338 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 37.2K | 2.04M | Sep 1997 – Apr 2026 |
| Cartwright, L. (Cartwright Unit) G-6-173427 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 36.3K | 825K | May 1999 – Apr 2026 |
| Orr Unit G-6-186161 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 36.3K | 1.56M | Aug 2001 – Apr 2026 |
| Kelsey, Annie D. Gas Unit G-6-170222 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 35.9K | 1.01M | Jul 1998 – Apr 2026 |
| Orr Unit G-6-148061 | Linder, John Operating Co., LLC only | Lassater (Cotton Valley) | Marion | 1 | 33.1K | 1.69M | Dec 1993 – Jul 2009 |
| Annie D. Kelsey Gas Unit G-6-179872 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 31.9K | 705K | Aug 2000 – Apr 2026 |
| Cartwright, L. (Cartwright Unit) G-6-167099 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 31.5K | 2.47M | Dec 1997 – Apr 2026 |
| Neal, J. A. Unit G-6-167610 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 31.4K | 2.03M | Dec 1997 – Apr 2026 |
| Brooks Unit (Hall Estate) G-6-174267 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 28.4K | 1.48M | Jul 1999 – Apr 2026 |
| Brooks Unit (Hall Estate) G-6-170282 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 25.9K | 2.42M | Aug 1998 – Apr 2026 |
| Wilson G-6-233797 | Ark-La-Tex Energy, L.L.C. only | Lassater, E. (Cotton Valley) | Marion | 1 | 25.2K | 1.02M | Apr 2008 – Apr 2026 |
| Clear Lake GU G-6-241870 | RFE Operating, LLC only | Woodlawn (Cotton Valley) | Marion | 1 | 24.8K | 2.04M | Jul 2008 – Apr 2026 |
| Cartwright, L. (Cartwright Unit) G-6-182005 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 23.8K | 915K | Feb 2001 – Apr 2026 |
| Orr Unit G-6-173944 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 23.2K | 737K | Jun 1999 – Apr 2026 |
| Simpson Family G-6-179086 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 23.1K | 1M | Jul 2000 – Apr 2026 |
| Cartwright, L. (Cartwright Unit) G-6-136356 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 22.8K | 3.1M | Jan 1993 – Apr 2026 |
| Simpson Family G-6-166879 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 22.4K | 951K | Aug 1997 – Apr 2026 |
| Neal, J. A. Unit G-6-219156 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 22.3K | 1.38M | Dec 2005 – Apr 2026 |
| Simpson Family G-6-157265 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 21.5K | 1.1M | Oct 1995 – Apr 2026 |
| Chatten G-6-152471 | Poco LLC only | Rodessa (Gloyd, North) | Marion | 1 | 19.5K | 596K | Oct 1994 – Feb 2018 |
| Murphy, O.G. Heirs G-6-245056 | RFE Operating, LLC only | Woodlawn (Cotton Valley) | Marion | 1 | 19.2K | 1.42M | Dec 2008 – Apr 2023 |
| Brooks Unit (Hall Estate) G-6-77886 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 18.6K | 1.02M | Jan 1993 – Apr 2026 |
| Waldrop "A" G-6-135736 | Buffco Production Inc. only | Lassater (Travis Peak, Gas) | Marion | 1 | 18.5K | 1.02M | Jan 1993 – Jan 2013 |
| Kelsey, Annie D. Gas Unit G-6-162744 | Linn Operating, LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 18.5K | 721K | Nov 1996 – Nov 2010 |
| Kelsey, Annie D. Gas Unit G-6-35704 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 18.3K | 859K | Jan 1993 – Apr 2026 |
| Brooks Unit (Hall Estate) G-6-170948 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 18.1K | 1.46M | Sep 1998 – Apr 2026 |
| Neal, J. A. Unit G-6-72729 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 17.3K | 626K | Jul 1998 – Apr 2026 |
| Littleton Lake G-6-233685 | RFE Operating, LLC only | Woodlawn (Cotton Valley) | Marion | 1 | 16.8K | 1.16M | Sep 2006 – Sep 2023 |
| Walker Heirs Unit G-6-245646 | RFE Operating, LLC only | Woodlawn (Cotton Valley) | Marion | 1 | 16.4K | 1.4M | Jan 2009 – Jul 2024 |
| Simpson Family G-6-225612 | Linder, John Operating Co., LLC only | Lassater (Cotton Valley) | Marion | 1 | 16.3K | 425K | Jun 2006 – Apr 2026 |
| Reagan, Sydney C. et Al G-6-205768 | Ramtex Energy LLC only | Rodessa (Pettit 6500) | Marion | 1 | 15.9K | 117K | Sep 2004 – Dec 2020 |
| Neal, J.A. Unit G-6-174270 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 15.6K | 259K | Jul 1999 – Apr 2026 |
| Cromer G-6-253910 | Faulconer Energy, LLC only | Rodessa (Cotton Valley Cons.) | Marion | 1 | 15.4K | 154K | Oct 2009 – Apr 2026 |
| Wakefield G-6-153381 | Nadel and Gussman, L.L.C. only | Rodessa (Travis Peak) | Marion | 1 | 15.4K | 875K | May 1995 – Jan 2002 |
| Cromer, Alma Preston G-6-16653 | Nadel and Gussman, L.L.C. only | Rodessa (Travis Peak) | Marion | 1 | 14.8K | 493K | Jan 1993 – Sep 2003 |
| Cartwright, L. (Cartwright Unit) G-6-174864 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 14.4K | 645K | Jun 1999 – Apr 2026 |
| Cromer G-6-153358 | XTO Energy Inc. only | Rodessa (Travis Peak) | Marion | 1 | 14.1K | 1.5M | Jan 1995 – Jul 2017 |
| Cartwright, L. (Cartwright Unit) G-6-179015 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 13.8K | 868K | Jun 2000 – Apr 2026 |
| Cartwright, L. (Cartwright Unit) G-6-16276 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 13.4K | 1.03M | Jan 1993 – Apr 2026 |
| Clifton, W.B. G-6-178784 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 12.8K | 943K | Jul 2000 – Apr 2026 |
| Bradley, Kyle G-6-211226 | Randall Exploration, LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 12.6K | 571K | Apr 2005 – Sep 2009 |
| Brooks Unit (Hall Estate) G-6-156258 | Linder, John Operating Co., LLC only | Lassater (Cotton Valley) | Marion | 1 | 12.5K | 1.03M | Sep 1995 – Apr 2026 |
| Reverra Estate G-6-190526 | Burk Royalty Co., Ltd. only | Lassater (Cotton Valley) | Marion | 1 | 12.4K | 945K | Aug 2002 – Jan 2019 |
| Kelsey, Annie D. Gas Unit G-6-218191 | Linder, John Operating Co., LLC only | Lassater (Travis Peak, Gas) | Marion | 1 | 11.5K | 420K | Dec 2005 – Apr 2026 |
| Grogan-Veach Unit G-6-223021 | RFE Operating, LLC only | Green Fox (Smith) | Marion | 1 | 11.5K | 377K | Jun 2006 – Mar 2026 |
| Beaird, George G-6-246561 | Diversified Production LLC only | Woodlawn (Cotton Valley) | Marion | 1 | 11.1K | 1.02M | Dec 2008 – Apr 2026 |