| Johnson Estate 56-T1-8 G-10-278218 | BPX Operating Company only | Phantom (Wolfcamp) | Loving | 1 | 451K | 2.14M | Feb 2015 – Apr 2026 |
| Johnson Estate 57-T1-4 G-10-278221 | BPX Operating Company only | Phantom (Wolfcamp) | Loving | 1 | 382K | 1.79M | Jun 2014 – Apr 2026 |
| Pierce Estate "B" G-3-249561 | Ballard Exploration Company,inc. only | Pierce Ridge (Yegua 12150) | Wharton | 1 | 316K | 5.8M | Dec 2008 – Jun 2018 |
| Johnson Estate 57-T1-4 G-10-295444 | Mewbourne Oil Company only | Sandbar (Bone Spring) | Loving | 1 | 267K | 1.16M | May 2023 – Apr 2026 |
| Slick, T.B. Estate B-266 G-4-155693 | Kerr-McGee Oil & Gas Onshore LLC only | Rincon (Vicksburg 6190) | Starr | 1 | 234K | 6.37M | Jul 1995 – Nov 2003 |
| Slick, T. B. Estate G-4-193895 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 230K | 10.9M | Dec 2002 – Aug 2019 |
| Johnson Estate 57-T1-4 G-10-295445 | Mewbourne Oil Company only | Sandbar (Bone Spring) | Loving | 1 | 228K | 1M | May 2023 – Apr 2026 |
| Johnson Estate 57-T1-4 G-10-295495 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Loving | 1 | 226K | 992K | May 2023 – Apr 2026 |
| Johnson Estate 57-T1-4 G-10-295527 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Loving | 1 | 203K | 1.04M | May 2023 – Apr 2026 |
| Slick, T. B. Estate "A" G-4-155685 | Hilcorp Energy Company only | Rincon (Vicksburg Cons.) | Starr | 1 | 202K | 7.21M | Apr 1995 – Apr 2026 |
| A. Webb Estate G-14-263947 | Unit Petroleum Company only | Mendota, NW. (Granite Wash) | Hemphill | 1 | 195K | 3.93M | Dec 2010 – Apr 2026 |
| Pierce Estate A G-3-263198 | Ballard Exploration Company,inc. only | Pierce (Yegua DY-1) | Wharton | 1 | 193K | 3.28M | Jan 2011 – Jul 2018 |
| Underwood Estate G-2-269437 | Ballard Exploration Company,inc. only | Sublime, West (Midway, U.) | Lavaca | 1 | 191K | 9.18M | Aug 2013 – Mar 2026 |
| Johnson Estate 57-T1-4 G-10-297672 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Loving | 1 | 184K | 741K | Jul 2024 – Apr 2026 |
| Naiser, J.E. Estate G-3-131991 | Faulconer Energy, LLC only | Mott Slough (Yegua) | Wharton | 1 | 182K | 10.3M | Jan 1993 – Apr 2026 |
| Johnson Estate 57-T1-4 G-10-297790 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Loving | 1 | 176K | 786K | Jul 2024 – Apr 2026 |
| Johnson Estate 57-T1-4 G-10-295494 | Mewbourne Oil Company only | Sandbar (Bone Spring) | Loving | 1 | 174K | 864K | May 2023 – Apr 2026 |
| Johnson Estate 57-T1-4 G-10-297838 | Mewbourne Oil Company only | Sandbar (Bone Spring) | Loving | 1 | 174K | 653K | Jul 2024 – Apr 2026 |
| Slick, T. B. Estate G-4-162486 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 173K | 8.63M | Oct 1996 – Apr 2026 |
| Willis Estate G-3-202098 | Urban Oil & Gas Group, LLC only | Felicia (Yegua) | Liberty | 1 | 172K | 4.68M | Apr 2004 – Aug 2021 |
| Slick, T. B. Estate G-4-191560 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 159K | 8.2M | Aug 2002 – Apr 2026 |
| Slick, T. B. Estate G-4-148382 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 155K | 3.48M | Jan 1994 – Apr 2026 |
| Slick, T. B. Estate G-4-210832 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 154K | 7.05M | May 2005 – Jun 2022 |
| Johnson Estate 57-T1-4 G-10-297681 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Loving | 1 | 152K | 753K | Aug 2024 – Apr 2026 |
| Willis Estate G-3-204035 | Urban Oil & Gas Group, LLC only | Felicia (Yegua) | Liberty | 1 | 142K | 4.04M | Aug 2004 – Apr 2016 |
| Slick, T. B. Estate G-4-201856 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 139K | 7.21M | Mar 2004 – Apr 2026 |
| Johnson Estate 57-T1-4 G-10-297684 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Loving | 1 | 139K | 620K | Aug 2024 – Apr 2026 |
| Johnson Estate 57-T1-4 G-10-295492 | Mewbourne Oil Company only | Sandbar (Bone Spring) | Loving | 1 | 138K | 793K | May 2023 – Apr 2026 |
| Schulz Estate 01 G-2-268802 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 135K | 1.42M | Dec 2012 – Apr 2026 |
| Johnson Estate 57-T1-4 G-10-295503 | Mewbourne Oil Company only | Sandbar (Bone Spring) | Loving | 1 | 133K | 735K | May 2023 – Apr 2026 |
| Slick, T. B. Estate G-4-159300 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 133K | 5.08M | Apr 1996 – Apr 2026 |
| Slick, T. B. Estate G-4-173868 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 132K | 7.9M | Apr 1999 – Mar 2025 |
| Hamill Estate G-3-140785 | Daylight Petroleum LLC only | Milton, N. (13000) | Harris | 1 | 129K | 10.6M | Jan 1993 – Apr 2026 |
| Schulz Estate 02 G-2-268836 | Marathon Oil EF LLC only | Sugarkane (Eagle Ford) | Live Oak | 1 | 128K | 1.26M | Dec 2012 – Apr 2026 |
| Slick, T. B. Estate G-4-229987 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 128K | 3.2M | Aug 2007 – Apr 2026 |
| Slick, T. B. Estate G-4-223937 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 127K | 3.77M | Dec 2006 – Apr 2026 |
| Halff Estate "20" G-9-205244 | EOG Resources, Inc. only | Amacker-Tippett (Devonian) | Upton | 1 | 122K | 1.52M | Feb 2004 – Apr 2026 |
| Halff Estate "20" G-9-185073 | EOG Resources, Inc. only | Amacker-Tippett (Devonian) | Upton | 1 | 120K | 2.67M | Jun 2001 – Apr 2026 |
| Slick, T. B. Estate G-4-184976 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 119K | 6.31M | Feb 2001 – Jul 2015 |
| Bedgood Estate G-6-118211 | Southwest Operating, Inc.-Tyler only | McLeod, North (Smackover) | Cass | 1 | 119K | 4.11M | Jan 1993 – Oct 2018 |
| Slick, T. B. Estate G-4-235432 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 116K | 3.39M | Feb 2008 – Apr 2026 |
| Slick, T. B. Estate G-4-241702 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 116K | 5.66M | Jun 2008 – Apr 2026 |
| Johnson Estate 57-T1-4 G-10-297719 | Mewbourne Oil Company only | Sandbar (Bone Spring) | Loving | 1 | 113K | 548K | Aug 2024 – Apr 2026 |
| Slick, T. B. Estate G-4-237128 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 113K | 3.02M | Mar 2008 – Apr 2026 |
| Slick, T. B. Estate G-4-196441 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 110K | 5.29M | Sep 2002 – May 2022 |
| Bracewell Estate G-3-168884 | Wagner Oil Company only | Taylor Lake, East (Lox B) | Harris | 1 | 109K | 17M | Mar 1998 – Feb 2019 |
| Johnson Estate 57-T1-4 G-10-295528 | Mewbourne Oil Company only | Phantom (Wolfcamp) | Loving | 1 | 108K | 985K | May 2023 – Apr 2026 |
| Judd Estate-State G-4-242274 | Merit Energy Company only | La Copita (Vicksburg Cons.) | Starr | 1 | 107K | 2.65M | Aug 2008 – Apr 2026 |
| Slick, T. B. Estate G-4-246183 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 102K | 2.87M | Jun 2008 – Apr 2026 |
| Slick, T. B. Estate "A" G-4-154448 | Hilcorp Energy Company only | Rincon (Vicksburg Cons.) | Starr | 1 | 101K | 4.6M | May 1995 – Apr 2026 |