| Central Coal & Coke G-3-143339 | Hilcorp Energy Company only | Mercy (10950 Wilcox) | San Jacinto | 1 | 236K | 5.04M | by Jan 1993 – Jan 2021 |
| Berger-Carnes G-3-168292 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 186K | 4.33M | May 1998 – Mar 2023 |
| Allar G-3-211961 | Arcadia Operating, LLC only | Shepherd (WX Cons) | San Jacinto | 1 | 175K | 3.19M | Sep 2005 – Aug 2026 |
| Feagin, Paula G-3-135552 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 160K | 4.06M | by Jan 1993 – Aug 2012 |
| Sanders Gas Unit O-3-14938 | Onpoint Operating LLC only | Shepherd (7682) | San Jacinto | 3 | 158K | 68K | by Jan 1993 – Dec 2016 |
| U.S.A.-Coldspring O-3-25466 | Jet Oil Producers, Inc. only | Coline | San Jacinto | 1 | 153K | 50.3K | Mar 2012 – Aug 2026 |
| Vann G-3-247543 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 150K | 2.2M | Jan 2009 – Jan 2025 |
| Houghton G-3-247909 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 149K | 2.33M | Feb 2009 – Apr 2022 |
| Foster Minerals G-3-132476 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 134K | 2.46M | by Jan 1993 – Aug 2026 |
| Bullpen O-3-27467 | New Century Exploration, Inc. only | Lick Branch, W. (Kirby Sd.) | San Jacinto | 1 | 130K | 62K | Aug 2013 – Jun 2026 |
| Central Cole & Coke G-3-246077 | Hilcorp Energy Company only | Mercy (9100, Wilcox) | San Jacinto | 1 | 129K | 2.21M | Aug 2007 – Aug 2026 |
| Central Coal & Coke G-3-148613 | Forest Oil Permian Corporation only | Mercy (10950 Wilcox) | San Jacinto | 1 | 128K | 2.43M | Feb 1994 – Sep 2006 |
| Cannon G-3-250669 | IV Standard, LLC only | Shepherd (WX Cons) | San Jacinto | 1 | 119K | 1.59M | May 2009 – Aug 2026 |
| Vann G-3-255285 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 114K | 1.89M | Mar 2010 – Jul 2022 |
| Langham, Emily "A" G-3-154380 | Energy Twenty Operating LLC only | Urbana (Wilcox Consolidated) | San Jacinto | 1 | 113K | 4.06M | Jan 1995 – Jan 2020 |
| Crane O-3-25933 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 107K | 127K | May 2012 – Aug 2023 |
| Morian G-3-233276 | Upland Operating, LLC only | Drews Landing (Wilcox Cons) | San Jacinto | 1 | 103K | 1.91M | Dec 2007 – Aug 2026 |
| Mercy Gas Unit G-3-172018 | Mueller Exploration, Inc. only | Mercy (10400 Wilcox) | San Jacinto | 1 | 102K | 1.2M | Jan 1999 – Aug 2026 |
| Coline O-3-23085 | Jet Oil Producers, Inc. only | Coline | San Jacinto | 1 | 101K | 36K | Jun 1996 – Aug 2026 |
| Richards, F. M. & L. L. G-3-135554 | Famcor Oil, Inc. only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 95.9K | 1.63M | by Jan 1993 – Feb 2009 |
| Foster Lumber Co. "A" G-3-165849 | Famcor Oil, Inc. only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 94.7K | 1.15M | Apr 1997 – Aug 2003 |
| Foster "A" O-3-25834 | Oretta Holdings LLC only | Cold Springs, E. (Wilcox 7875) | San Jacinto | 1 | 92.9K | 70.4K | May 2011 – Apr 2022 |
| Central Coal & Coke O-3-13099 | Well-Co Solutions, LLC only | Mercy, SW (8350) | San Jacinto | 1 | 92.2K | 31.4K | by Jan 1993 – Jun 2026 |
| Sanray G-3-250690 | IV Standard, LLC only | Shepherd (WX Cons) | San Jacinto | 1 | 91.6K | 2.32M | May 2009 – Aug 2026 |
| Foster Minerals "D" G-3-168291 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 91.1K | 2.23M | May 1998 – Aug 2026 |
| Foster Minerals D G-3-151795 | Royal Production Company, Inc. only | Mercy (10950 Wilcox) | San Jacinto | 1 | 90.8K | 1.47M | Oct 1994 – Apr 1998 |
| Foster Lumber Co. "D" G-3-197382 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 90.8K | 1.3M | Aug 2003 – Jul 2022 |
| Central Coal & Coke Corp. O-3-3071 | Hilcorp Energy Company only | Mercy | San Jacinto | 3 | 90.4K | 336K | by Jan 1993 – Aug 2026 |
| Langham, Emily -A- G-3-128836 | Energy Twenty Operating LLC only | Urbana (Wilcox Consolidated) | San Jacinto | 1 | 90K | 3.18M | by Jan 1993 – May 2016 |
| Vann G-3-249154 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 86.9K | 1.48M | May 2009 – Jul 2022 |
| Foster -A- G-3-174929 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 86.5K | 2.38M | Aug 1999 – Apr 2019 |
| Foster Lumber Co. "A" G-3-169285 | Famcor Oil, Inc. only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 86.2K | 1.29M | May 1998 – Jun 2005 |
| Foster Lumber Co. "A" G-3-172151 | Alta Mesa Services, LP only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 85.3K | 1.28M | Mar 1999 – Mar 2012 |
| Langham, Emily "A" G-3-53953 | Energy Twenty Operating LLC only | Urbana (Wilcox Consolidated) | San Jacinto | 1 | 85.2K | 3.2M | by Jan 1993 – Jan 2020 |
| Central Coal & Coke G-3-161707 | Hilcorp Energy Company only | Mercy (10400 Wilcox) | San Jacinto | 1 | 85.1K | 2M | Dec 1996 – Aug 2026 |
| Morian G-3-225870 | Upland Operating, LLC only | Drews Landing (Wilcox Cons) | San Jacinto | 1 | 85.1K | 4M | Feb 2007 – Aug 2026 |
| Foster Lumber Co. "A" G-3-172653 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 82K | 2.31M | Mar 1999 – Aug 2025 |
| Foster Lumber Co. "D" G-3-97266 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 78.9K | 1.63M | by Jan 1993 – Jul 2022 |
| Nutt G-3-250896 | IV Standard, LLC only | Shepherd (WX Cons) | San Jacinto | 1 | 75.4K | 1.72M | Jun 2009 – Aug 2026 |
| Berger-Carnes Unit G-3-161330 | Forest Oil Permian Corporation only | Mercy (10950 Wilcox) | San Jacinto | 1 | 71.9K | 2.01M | Oct 1996 – Aug 2006 |
| Central Coal & Coke G-3-135125 | | Mercy (10400 Wilcox) | San Jacinto | 1 | 71K | 948K | by Jan 1993 – Jul 2006 |
| Sanray G-3-212146 | Arcadia Operating, LLC only | Shepherd (WX Cons) | San Jacinto | 1 | 70.5K | 2.66M | Jul 2005 – Mar 2025 |
| Coline Yegua-C O-3-25336 | Jet Oil Producers, Inc. only | Coline | San Jacinto | 2 | 69.1K | 22.4K | Jan 2008 – Aug 2026 |
| Hood G-3-218919 | IV Standard, LLC only | Shepherd (WX Cons) | San Jacinto | 1 | 69K | 1.3M | Jul 2006 – Aug 2026 |
| Temple G-3-249149 | Oretta Holdings LLC only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 69K | 735K | Mar 2009 – Oct 2013 |
| Foster Lumber Co. A O-3-25819 | Oretta Holdings LLC only | Cold Springs (Wilcox 7,800) | San Jacinto | 2 | 68.5K | 434K | Nov 2011 – Aug 2026 |
| Horizon Properties G-3-273262 | Small, R.P. Corp. only | Deep Pines (Wdbn AC) | San Jacinto | 1 | 66.3K | 588K | Mar 2013 – Aug 2026 |
| Matt Dillon State GU1 G-3-281692 | Small, R.P. Corp. only | Deep Pines (Wdbn AC) | San Jacinto | 1 | 64.3K | 1.44M | Feb 2014 – Aug 2026 |
| Little Joe G-3-281694 | Small, R.P. Corp. only | Deep Pines (Wdbn AC) | San Jacinto | 1 | 62.6K | 888K | Mar 2014 – Aug 2026 |
| Foster Lumber Co. "D" G-3-156950 | Famcor Oil, Inc. only | Cold Springs (Wilcox, Cons.) | San Jacinto | 1 | 61.4K | 910K | Dec 1995 – Feb 2001 |