| Salt House BC S3041 O-9-23025 | Discovery Natural Resources LLC only | Spraberry (Trend Area) | Irion | 7 | 922K | 2.19M | Jul 2025 – Apr 2026 |
| Butler A304-C Usw A G-2-294332 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 515K | 3.71M | Dec 2022 – Apr 2026 |
| Midland AC/Wylie B 1304 O-10-47764 | Chevron U. S. A. Inc. only | Spraberry (Trend Area) | Midland | 2 | 506K | 1.75M | Jul 2016 – Apr 2026 |
| Brunson 3046DP O-10-61268 | OXY USA Inc. only | Spraberry (Trend Area) | Glasscock | 1 | 495K | 883K | Mar 2024 – Apr 2026 |
| Butler A304-C Usw C G-2-294566 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 473K | 3.61M | Dec 2022 – Apr 2026 |
| Butler A304-C Usw B G-2-294333 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 453K | 3.67M | Dec 2022 – Apr 2026 |
| Butler a-304-Brysch Usw C G-2-286583 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 415K | 3.01M | Feb 2019 – Apr 2026 |
| Highland AC S3047 O-9-23024 | Discovery Natural Resources LLC only | Spraberry (Trend Area) | Irion | 4 | 407K | 1.5M | May 2025 – Apr 2026 |
| LHS Ranch 27-33 Allocation 3304 O-10-47279 | XTO Energy Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 1 | 384K | 1.93M | Nov 2015 – Apr 2026 |
| Midkiff 42-43 Allocation 4304 O-10-47430 | XTO Energy Inc. only | Spraberry (Trend Area) | Midland | 1 | 368K | 1.56M | Dec 2015 – Apr 2026 |
| Hartgrove 0304 A O-9-21085 | Apache Corporation only | Spraberry (Trend Area) | Reagan | 1 | 355K | 1.43M | Apr 2021 – Apr 2026 |
| Long Spring 3044DP O-10-57636 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 1 | 336K | 969K | Mar 2022 – Apr 2026 |
| Hartgrove 0304 F O-9-21112 | Apache Corporation only | Spraberry (Trend Area) | Reagan | 1 | 317K | 1.29M | May 2021 – Apr 2026 |
| Schorp 304 O-1-20045 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | La Salle | 1 | 315K | 388K | Jun 2019 – Mar 2026 |
| Hartgrove 0304 D O-9-21111 | Apache Corporation only | Spraberry (Trend Area) | Reagan | 1 | 303K | 1.06M | Apr 2021 – Apr 2026 |
| Hartgrove 0304 C O-9-21133 | Apache Corporation only | Spraberry (Trend Area) | Reagan | 1 | 292K | 1.24M | May 2021 – Apr 2026 |
| Hillman 304 O-1-21167 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | Frio | 1 | 290K | 168K | Mar 2024 – Mar 2026 |
| Butler a-304-Brysch Usw D G-2-286582 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 289K | 2.17M | Feb 2019 – Apr 2026 |
| Butler a-304-Brysch Usw E G-2-287144 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 284K | 1.56M | Feb 2019 – Apr 2026 |
| Butler A-304 G-2-259222 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 283K | 1.62M | Jun 2010 – Apr 2022 |
| Bowman East 304 O-1-19891 | Javelin Energy Partners Mgmt LLC only | Eagleville (Eagle Ford-1) | Atascosa | 1 | 266K | 80.5K | Apr 2019 – Mar 2026 |
| Butler a-304-Brysch Usw B G-2-287203 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 250K | 1.59M | Jan 2019 – Apr 2026 |
| Long Spring 3046DP O-10-57635 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 1 | 246K | 540K | Mar 2022 – Apr 2026 |
| Long Spring 3040DP O-10-58017 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 1 | 239K | 437K | Jan 2022 – Apr 2026 |
| Butler a-304-Brysch Usw G-2-287204 | Burlington Resources O & G Co LP only | Sugarkane (Austin Chalk) | De Witt | 1 | 236K | 1.61M | Jan 2019 – Mar 2026 |
| Hartgrove 0304 E O-9-21106 | Apache Corporation only | Spraberry (Trend Area) | Reagan | 1 | 232K | 1.16M | May 2021 – Apr 2026 |
| Long Spring 3042DP O-10-57549 | OXY USA Inc. only | Spraberry (Trend Area) | Howard | 1 | 227K | 517K | Mar 2022 – Apr 2026 |
| Hartgrove 0304 B O-9-21131 | Apache Corporation only | Spraberry (Trend Area) | Reagan | 1 | 217K | 1.37M | May 2021 – Apr 2026 |
| Butler a-304-Brysch Usw A G-2-287175 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 215K | 1.27M | Jan 2019 – Dec 2022 |
| Butler A-304 G-2-294325 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 214K | 1.51M | Dec 2022 – Apr 2026 |
| Talon 304 G-1-300215 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Frio | 1 | 199K | 360K | Oct 2022 – Mar 2026 |
| Alta Wood-McGarraugh '304' O-14-8812 | Mewbourne Oil Company only | Pan Petro (Cleveland) | Ochiltree | 2 | 194K | 558K | Sep 2012 – Apr 2026 |
| Simpson Canyon 3045 Unit O-9-15850 | Surge Solutions, Inc. only | Bluegrass (Wolfcamp) | Crockett | 1 | 122K | 84.9K | May 2005 – Mar 2026 |
| Simpson Canyon 3044 Unit O-9-15988 | Surge Solutions, Inc. only | Bluegrass (Wolfcamp) | Crockett | 1 | 120K | 15.3K | Jul 2006 – Mar 2026 |
| C Cross Ranch 304 O-1-20968 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Frio | 1 | 120K | 54.7K | Jul 2022 – Mar 2026 |
| E. R. Blocker 304 O-14-9662 | Unbridled Resources, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 97.6K | 217K | Nov 2018 – Apr 2026 |
| Rocker B "3048" O-9-10785 | Discovery Natural Resources LLC only | Spraberry (Trend Area) | Irion | 4 | 48.8K | 249K | Jan 1993 – Aug 2019 |
| Timber Creek Unit O-13-13202 | Brammer Petroleum, Inc. only | Timber Creek (3040) | Cooke | 4 | 26K | 32 | Jan 1993 – Mar 2026 |
| Rocker B "3048" A O-9-11375 | Discovery Natural Resources LLC only | Spraberry (Trend Area) | Irion | 1 | 23.5K | 74.1K | Jan 1993 – Mar 2017 |
| David 304 O-11-70482 | Reatta Energy, Inc. only | Draw, NW. (Strawn) | Garza | 1 | 19.6K | 0 | Jul 2016 – Apr 2026 |
| Butler a-304-Brysch Usw C O-2-11661 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 4.73K | 17.7K | Jan 2019 – Jan 2019 |
| Butler a-304-Brysch Usw D O-2-11651 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 4.7K | 15.2K | Jan 2019 – Jan 2019 |
| Butler a-304-Brysch Usw E O-2-11656 | Burlington Resources O & G Co LP only | De Witt (Eagle Ford Shale) | De Witt | 1 | 4.49K | 15.1K | Jan 2019 – Jan 2019 |
| David 304 O-11-70269 | Reatta Energy, Inc. only | Peg's Draw (Mississippian) | Garza | 1 | 3.61K | 0 | Nov 2014 – Nov 2015 |
| Guerra Shares 304-C G-4-156312 | Legend Natural Gas III, LP only | Roma, W. (Wilcox 7500) | Starr | 1 | 1.84K | 67.6K | Nov 1995 – Oct 1998 |
| Crossroads "3046" G-9-140107 | Discovery Natural Resources LLC only | Hondo (Canyon Sand) | Irion | 1 | 1.14K | 199K | Jan 1993 – Mar 2020 |
| Butler A304 G-2-247125 | Burlington Resources O & G Co LP only | Wildcat | De Witt | 1 | 200 | 220 | Dec 2008 – Dec 2008 |
| Wendel, Alonzo et UX G-2-145896 | Core E & P Corp. only | Reichert (Frio 3040) | Goliad | 1 | 32 | 310K | Mar 1993 – Feb 2001 |
| Trinity Unit 3 G-3-177363 | Modern Exploration, Inc. only | Rolling Rock, N. (Frio 3044) | Colorado | 1 | 6 | 173K | Apr 2000 – May 2003 |
| Trinity Unit No. 4 G-3-177202 | Modern Exploration, Inc. only | Rolling Rock, N. (Frio 3044) | Colorado | 1 | 5 | 102K | Apr 2000 – Mar 2002 |