| UL Benny East 18-29-30 WA G-10-299893 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 331K | 1.09M | Jan 2023 – Apr 2026 |
| Big Bend G-3-289983 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk, Gas) | Fayette | 1 | 287K | 5.49M | Nov 2020 – Apr 2026 |
| UL Benny East 18-29-30 TB G-10-299895 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 284K | 731K | Jan 2023 – Apr 2026 |
| UL Benny East 18-29-30 WB G-10-299894 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 268K | 702K | Jan 2023 – Apr 2026 |
| Hellbender State 150 G-10-299858 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 260K | 224K | Jun 2014 – Apr 2026 |
| Benavides, Rosa V. B3 G-4-142510 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 229K | 8.05M | Jan 1993 – Apr 2026 |
| Vaquillas Ranch "L" G-4-155352 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 211K | 6.83M | Aug 1995 – Jun 2007 |
| Hellbender State 150 G-10-299857 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 192K | 173K | May 2014 – Apr 2026 |
| Benavides, Rosa V. D1 G-4-154309 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 190K | 9.55M | Mar 1995 – Apr 2026 |
| Hellbender State 150 G-10-299856 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 186K | 177K | Sep 2016 – Apr 2026 |
| Bentsen Bros. - State G-4-67228 | Merit Energy Company only | La Copita (Vicksburg Cons.) | Starr | 1 | 183K | 13.3M | Jan 1993 – Apr 2026 |
| Big Bend B G-1-292378 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 175K | 507K | Nov 2021 – Apr 2026 |
| Bentsen Bros. - State G-4-76318 | Merit Energy Company only | La Copita (Vicksburg Cons.) | Starr | 1 | 169K | 12.7M | Jan 1993 – Oct 2019 |
| Big Bend A G-1-292360 | EOG Resources, Inc. only | Eagleville (Eagle Ford-1) | Gonzales | 1 | 169K | 561K | Nov 2021 – Apr 2026 |
| Benjamin 112 G-14-285584 | BE Anadarko II, LLC only | Lipscomb, S.E. (Cleveland) | Lipscomb | 1 | 153K | 626K | Dec 2017 – Apr 2026 |
| Graben 21903 G-10-287905 | BTA Oil Producers, LLC only | Phantom (Wolfcamp) | Reeves | 1 | 147K | 1.27M | May 2019 – Jul 2023 |
| Lechenger G-4-167437 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 142K | 5.21M | Mar 1998 – Apr 2026 |
| UL 18 Benny West D G-10-301288 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 139K | 448K | Aug 2025 – Apr 2026 |
| Benavides, Rosa V. A1 G-4-143128 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 137K | 6.64M | Jan 1993 – Apr 2026 |
| Marshall, S. et Al G-4-159851 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 137K | 7.92M | Aug 1996 – Mar 2026 |
| Martin-Volz G-4-159343 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 130K | 9.11M | Jun 1996 – Apr 2026 |
| UL 18 Benny West F G-10-301228 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 120K | 305K | Aug 2025 – Apr 2026 |
| Obenhaus Gas Unit G-3-171196 | Mountain V Texas, LLC only | Bonus, SW. (Wilcox) | Wharton | 1 | 118K | 3.73M | Aug 1998 – Apr 2026 |
| Ben Parnell 165 Lip G-14-274437 | Unbridled Resources, LLC only | Lipscomb (Cleveland) | Lipscomb | 1 | 117K | 670K | Apr 2014 – Apr 2026 |
| Rubenstein Unit G-3-149586 | Verdun Oil & Gas LLC only | Clay, NE (Austin Chalk 11350) | Burleson | 1 | 113K | 3.03M | May 1994 – Feb 2026 |
| Benge, Arch G-10-195793 | XTO Energy Inc. only | Parks (Devonian) | Midland | 1 | 112K | 4.61M | Nov 2002 – Mar 2026 |
| UL 18 Benny West A G-10-301289 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 108K | 424K | Jul 2025 – Apr 2026 |
| Ben Unit G-3-281670 | Small, R.P. Corp. only | Deep Pines (Wdbn AC) | Walker | 1 | 107K | 2.15M | Jul 2014 – Mar 2026 |
| Benavides, Rosa V. A-2 G-4-159762 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 105K | 3.27M | May 1996 – Apr 2026 |
| Benavides, Rosa V. E4 G-4-156451 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 104K | 7.97M | Jun 1995 – Apr 2026 |
| Bentsen Bros. "B" G-4-203830 | Merit Energy Company only | La Copita (Vicksburg Cons.) | Starr | 1 | 102K | 6.47M | Jul 2004 – Apr 2026 |
| Benton C Unit G-13-275367 | EOG Resources, Inc. only | Newark, East (Barnett Shale) | Montague | 1 | 100K | 1.35M | May 2011 – Apr 2026 |
| Benavides, AN/CY F G-4-209479 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 100K | 4.14M | Dec 2004 – Apr 2026 |
| Kubena Wilcox Gas Unit G-2-165291 | Capital Star Oil & Gas, Inc. only | Halletsville (Simmons) | Lavaca | 1 | 99.8K | 2.88M | Mar 1997 – Apr 2026 |
| Benavides, Rosa V. C G-4-161510 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 93.9K | 4.27M | Nov 1996 – Apr 2026 |
| Benavides, Rosa V. B4 G-4-207355 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 91.5K | 4.28M | Sep 2004 – Apr 2026 |
| University 7 G-9-192720 | BCP Resources, LLC only | Benedum (Devonian, Gas) | Upton | 1 | 90.6K | 2.19M | Dec 2002 – Feb 2024 |
| Bentsen Tract IV G-4-275926 | Merit Energy Company only | Hinde (Vicksburg Consolidated) | Starr | 1 | 86.1K | 4.26M | Jan 2015 – Apr 2026 |
| Bentsen Bros. - State G-4-173707 | Merit Energy Company only | La Copita (Vicksburg Cons.) | Starr | 1 | 82.7K | 4.8M | Apr 1999 – Apr 2026 |
| Bennett B G-3-288937 | Wildfire Energy Operating LLC only | Giddings (Austin Chalk, Gas) | Burleson | 1 | 82.6K | 1.04M | Jul 2017 – Mar 2026 |
| Vaquillas Ranch "L" G-4-154313 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 81.1K | 5.52M | Mar 1995 – Apr 2026 |
| Benton Trust G-3-169073 | Gaither Petroleum Corporation only | Rosenberg, North (Upper Wilcox) | Fort Bend | 1 | 80.6K | 5.48M | Feb 1998 – Oct 2014 |
| UL 18 Benny West E G-10-301290 | Apache Corporation only | Phantom (Wolfcamp) | Ward | 1 | 79.5K | 359K | Jul 2025 – Apr 2026 |
| Benjamin 120 HMH G-14-270280 | Unbridled Resources, LLC only | Lipscomb, S.E. (Cleveland) | Hemphill | 1 | 78.5K | 378K | Sep 2012 – Apr 2026 |
| Benavides, Rosa V. E G-4-164270 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 77.9K | 4.49M | Aug 1997 – Apr 2026 |
| Colorado Bend Unit G-3-186607 | Magnolia Oil & Gas Operating LLC only | Giddings (Austin Chalk, Gas) | Fayette | 1 | 71.7K | 959K | Aug 2001 – Dec 2019 |
| Borchers, Vivian G-2-132903 | Hydrocarbon Operating, Inc. only | Benbow (Lower Wilcox A) | Lavaca | 1 | 70.8K | 5.96M | Jan 1993 – Apr 2026 |
| Benavides, Rosa V. A3 G-4-175686 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 70.7K | 2.96M | Dec 1999 – Apr 2026 |
| Benavides, Rosa V A2 G-4-160395 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 70.2K | 3.15M | Oct 1996 – Apr 2026 |
| Lechenger G-4-170471 | Hilcorp Energy Company only | Benavides (Lobo Cons.) | Webb | 1 | 70K | 1.86M | Jul 1998 – Dec 2024 |