| Brask Ranch G-4-196351 | Proline Energy Resources Inc only | Gold River, North (Olmos) | Webb | 1 | 28 | 66K | Aug 2003 – Aug 2026 |
| Lineberry Gas Unit NO.1 G-10-75396 | Shell Western E&P only | Linebery (Silurian) | Loving | 1 | 28 | 3.36M | by Jan 1993 – Nov 2016 |
| Cline G-14-71380 | B and G Production, Inc. only | Hansford, North (Tonkawa) | Hansford | 1 | 27 | 187K | by Jan 1993 – Apr 2007 |
| Mainka G-2-170530 | Coastline Exploration, Inc. only | Brandt (Yegua 4600) | Goliad | 1 | 27 | 282K | Aug 1998 – Jun 2008 |
| Rochelle G-2-172034 | Proline Energy Resources Inc only | Dry Hollow (Rainbow Sand) | Lavaca | 1 | 26 | 228K | Nov 1998 – Mar 2005 |
| Stuart "A" G-8-72376 | J-Tec Operating, LLC only | Brad, SW. (Big Saline Congl.) | Palo Pinto | 1 | 26 | 352K | by Jan 1993 – Aug 2026 |
| Walsh Ranch West G-8-252535 | Walsh & Watts, Inc. only | Walsh Ranch (Lower Big Saline) | Tarrant | 1 | 26 | 11.8K | May 2009 – Aug 2009 |
| Baker, E. G-2-175922 | Proline Energy Resources Inc only | Mikeska (Massive Wilcox) | Live Oak | 1 | 26 | 51.4K | Nov 1999 – Oct 2003 |
| Ulmer, C. M. G-8-150013 | Bridwell Oil Co. only | Big Sunday Creek (Big Saline) | Erath | 1 | 25 | 3.33K | Apr 1994 – Nov 1994 |
| Walsh Ranch West G-8-247982 | Walsh & Watts, Inc. only | Walsh Ranch (Lower Big Saline) | Parker | 1 | 25 | 26.1K | Dec 2008 – Mar 2009 |
| Villarreal, Alonzo O-4-12994 | American Shoreline, Inc. only | Amargosa (6000 Sand) | Jim Wells | 1 | 25 | 50 | Feb 2001 – Feb 2001 |
| Peters Estate Gas Unit "B" G-4-184775 | Proline Energy Resources Inc only | Muy Grande (15900 Sand) | Duval | 1 | 25 | 4.21M | May 2001 – Aug 2026 |
| Rochelle G-2-203594 | Proline Energy Resources Inc only | Dry Hollow (Gilstrap) | Lavaca | 1 | 25 | 824K | Sep 2003 – Aug 2026 |
| Baldwin 'A' O-8-28949 | Borderline Operating Corp. only | Humphrey-Chapman (Strawn, Upper) | Haskell | 1 | 25 | 15 | Apr 2001 – Aug 2003 |
| Rochelle G-2-212420 | Proline Energy Resources Inc only | Dry Hollow (Rainbow Sand) | Lavaca | 1 | 25 | 459K | Sep 2003 – Jun 2013 |
| Orr-Burks GU G-6-230344 | Proline Energy Resources Inc only | Minden (Travis Peak Cons.) | Rusk | 1 | 24 | 0 | Jan 2022 – Jan 2022 |
| Orr-Burks GU G-6-235955 | Proline Energy Resources Inc only | Minden (Travis Peak Cons.) | Rusk | 1 | 24 | 0 | Jan 2022 – Jan 2022 |
| Porter G-8-183304 | DMV Pipeline LLC only | Desdemona, E. (Marble Falls) | Erath | 1 | 24 | 98.7K | Jun 2001 – Jun 2019 |
| Prior Heirs Gas Unit G-6-206006 | Proline Energy Resources Inc only | Beckville (Cotton Valley) | Rusk | 1 | 24 | 24.7K | Jul 2004 – Nov 2004 |
| Sun Mineral Deed G-8-194336 | Stephens & Johnson Operating Co. only | Gilmore Creek (Big Saline ) | Palo Pinto | 1 | 24 | 2.99K | Mar 2003 – Apr 2003 |
| Turner "C" G-8-129382 | DMV Pipeline LLC only | Mittie (Marble Falls) | Comanche | 1 | 23 | 13.4K | by Jan 1993 – Oct 2017 |
| Dalton, B. G-8-86634 | Somerset Operating, LLC only | Cabbage Patch (Big Saline) | Parker | 1 | 22 | 112K | Feb 1994 – Jun 2026 |
| Cee Bar Ranch "N" G-8-125884 | Hexagon Oil and Gas Inc. only | Big Sunday Creek (Big Saline) | Erath | 1 | 22 | 377K | by Jan 1993 – Aug 2026 |
| Walsh Ranch West G-8-242476 | Walsh, F H Jr. Operating Co. Inc only | Walsh Ranch (Upper Big Saline) | Tarrant | 1 | 22 | 17.1K | Jul 2008 – Oct 2008 |
| Goldston, W. L. et Al G-4-172253 | Proline Energy Resources Inc only | Los Indios (3850 Stray) | Hidalgo | 1 | 21 | 24 | Oct 2019 – Nov 2019 |
| Gottschalk O-9-11720 | Evangeline Trading Company only | Ballinger (Palo Pinto, N.) | Runnels | 2 | 21 | 4 | by Jan 1993 – Apr 1993 |
| Williams G-8-214875 | Borderline Operating Corp. only | Strawn, NW. (Marble Falls) | Palo Pinto | 1 | 21 | 66.1K | Feb 2006 – Jan 2014 |
| Sipes, Etal G-13-283657 | Itx Pipeline Company, LLC only | Chico, West (Caddo Congl. Upper) | Wise | 1 | 21 | 4.18K | Feb 2018 – Aug 2026 |
| Brask State 1840 G-4-215800 | Proline Energy Resources Inc only | Gold River, North (Olmos) | Webb | 1 | 21 | 214K | Dec 2005 – Dec 2025 |
| O'Connor Ranch G-2-237221 | Proline Energy Resources Inc only | Oconnor Ranch, S. (Vicksburg) | Goliad | 1 | 21 | 639K | Apr 2005 – May 2014 |
| Velas, Siete G-4-201177 | Proline Energy Resources Inc only | El Grullo (Wilcox 11,000) | Zapata | 1 | 21 | 608K | Sep 2003 – Oct 2021 |
| Hiline Gas Unit G-5-241660 | Hilcorp Energy Company only | Farrar (Cotton Valley Lime) | Limestone | 1 | 20 | 705K | Nov 2008 – Jul 2026 |
| Suggs G-8-139627 | Borderline Operating Corp. only | Weatherford, SW. (Strawn) | Parker | 1 | 20 | 158K | by Jan 1993 – May 2003 |
| Grant, J.M. G-6-221786 | Proline Energy Resources Inc only | Beckville (Travis Peak) | Rusk | 1 | 20 | 21 | Jan 2010 – Jun 2010 |
| Brask State 1840 G-4-194028 | Proline Energy Resources Inc only | Gold River, North (Olmos) | Webb | 1 | 20 | 248K | Mar 2003 – Aug 2026 |
| Peters Estate Gas Unit "B" G-4-182387 | Proline Energy Resources Inc only | Muy Grande (15900 Sand) | Duval | 1 | 19 | 3.75M | Oct 2000 – May 2020 |
| Sikes-Green G-8-65749 | Dallas Production, Inc. only | Mineral Wells (Big Saline) | Palo Pinto | 1 | 19 | 204K | by Jan 1993 – Jun 2017 |
| Boggus G-8-159601 | Reval Exploration LLC only | J. R. Jacobs (Big Saline) | Palo Pinto | 1 | 19 | 104K | Jul 1996 – Jun 2006 |
| Bouldin, Pauline Bowers O-1-10533 | Sellers Lease Service, Inc. only | Bouldin (Recklaw B) | Gonzales | 1 | 19 | 10 | by Jan 1993 – Feb 1995 |
| Whitt O-8-27789 | Star Operating, Inc only | Whitt (Big Saline) | Parker | 1 | 18 | 120 | May 1996 – Apr 1997 |
| Carthage Unit 4 G-6-30247 | Sabine Valley Pipeline LLC only | Carthage (Pettit, Lower Gas) | Rusk | 1 | 18 | 0 | Sep 2003 – Sep 2003 |
| Wagener G-2-149295 | Coastline Exploration, Inc. only | Brandt (Miocene 2100) | Goliad | 1 | 18 | 40.3K | Apr 1994 – Aug 1995 |
| Cee Bar Ranch "D" G-8-127264 | Hexagon Oil and Gas Inc. only | Big Sunday Creek (Big Saline) | Erath | 1 | 18 | 135K | by Jan 1993 – Jan 2009 |
| Cee Bar Ranch "D" G-8-115332 | Hexagon Oil and Gas Inc. only | Big Sunday Creek (Big Saline) | Erath | 1 | 17 | 64.5K | by Jan 1993 – Oct 2012 |
| Hart, I.N. O-8-16820 | Johnco Petroleum, Inc. only | Bankline-Owen, N. (Marble Falls) | Eastland | 1 | 17 | 3.3K | by Jan 1993 – Jun 1993 |
| Cline Unit G-8-130563 | M. E. Operating & Services, Inc. only | Bethesda (Big Saline) | Parker | 1 | 17 | 26.6K | by Jan 1993 – Aug 2006 |
| Brask Ranch G-4-195944 | Proline Energy Resources Inc only | Gold River, North (Olmos) | Webb | 1 | 17 | 132K | Jun 2003 – Aug 2026 |
| MHS-Cline G-6-180167 | Exco Operating Company, LP only | Bethany (Travis Peak Cons.) | Panola | 1 | 17 | 1.86K | Feb 2001 – Jun 2001 |
| Linebery, Evelyn, Etal -16-B- O-10-12461 | Kaiser-Francis Oil Company only | Union | Andrews | 2 | 17 | 4 | May 1993 – Aug 1993 |
| Goldston, W.L. et Al G-4-153413 | Proline Energy Resources Inc only | Los Indios (L) | Hidalgo | 1 | 17 | 10.5K | Jan 1995 – Nov 1995 |