| Sanders Gas Unit O-3-14938 | Onpoint Operating LLC | Shepherd (7682) | 3 | 158K | 68K | Jan 1993 – Jul 2026 |
| U.S.A.-Coldspring O-3-25466 | Jet Oil Producers, Inc. | Coline | 1 | 151K | 50.3K | May 2009 – Jul 2026 |
| Bullpen O-3-27467 | New Century Exploration, Inc. | Lick Branch, W. (Kirby Sd.) | 1 | 130K | 62K | Aug 2013 – Jul 2026 |
| Crane O-3-25933 | Oretta Holdings LLC | Cold Springs (Wilcox, Cons.) | 1 | 107K | 127K | Dec 2011 – Jul 2026 |
| Coline O-3-23085 | Jet Oil Producers, Inc. | Coline | 1 | 99.9K | 36K | Jun 1996 – Jul 2026 |
| Foster "A" O-3-25834 | Oretta Holdings LLC | Cold Springs, E. (Wilcox 7875) | 1 | 92.9K | 70.4K | May 2011 – Jul 2026 |
| Central Coal & Coke O-3-13099 | Well-Co Solutions, LLC | Mercy, SW (8350) | 1 | 91.8K | 31.4K | Jan 1993 – Jul 2026 |
| Central Coal & Coke Corp. O-3-3071 | Hilcorp Energy Company | Mercy | 3 | 89.5K | 333K | Jan 1993 – Jul 2026 |
| Coline Yegua-C O-3-25336 | Jet Oil Producers, Inc. | Coline | 2 | 68.2K | 22.4K | Nov 2007 – Jul 2026 |
| Foster Lumber Co. A O-3-25819 | Oretta Holdings LLC | Cold Springs (Wilcox 7,800) | 2 | 65K | 434K | Nov 2011 – Jul 2026 |
| Ogletree O-3-27675 | IV Standard, LLC | Shepherd (WX Cons) | 1 | 59.8K | 170K | Oct 2019 – Jul 2026 |
| Foster "A" O-3-24718 | Oretta Holdings LLC | Cold Springs (Wilcox, Cons.) | 2 | 52K | 674K | Jul 2005 – Jul 2026 |
| Foster Lumber Co. "D" O-3-23977 | Famcor Oil, Inc. | Cold Springs (Wilcox, Cons.) | 1 | 45.9K | 208K | Mar 2001 – Jan 2008 |
| State of Texas M100530 O-3-24630 | Upland Operating, LLC | New Ace (Wilcox Consol.) | 1 | 45.6K | 24.8K | Feb 2004 – Jul 2026 |
| Bottoms O-3-25978 | Jet Oil Producers, Inc. | Coline | 1 | 39.1K | 62.2K | Nov 2011 – Jul 2026 |
| Foster Lumber Co B O-3-26985 | Jet Oil Producers, Inc. | Cold Springs | 1 | 33.9K | 12.2K | Jul 2014 – Jul 2026 |
| Central Cole & Coke O-3-24910 | Hilcorp Energy Company | Mercy (8550, Wilcox) | 1 | 32K | 65K | Apr 2005 – Jul 2026 |
| Foster -A- O-3-25820 | Oretta Holdings LLC | Cold Springs, W. (Wilcox 7800 B) | 2 | 29.6K | 175K | Nov 2011 – Jul 2026 |
| Golden Unit O-3-25412 | Arcadia Operating, LLC | Flores (WX Consolidated-3) | 1 | 26.3K | 51.1K | Sep 2009 – Jul 2026 |
| Foster Lumber Co. O-3-22805 | Famcor Oil, Inc. | Cold Springs (Wilcox, Cons.) | 1 | 23.3K | 99.9K | Feb 1995 – Feb 2002 |
| Foster Oil Unit O-3-22036 | Famcor Oil, Inc. | Cold Springs (Wilcox 7,800) | 1 | 22.8K | 21.3K | Jan 1993 – Dec 1999 |
| Foster 'D' O-3-25831 | Oretta Holdings LLC | Cold Springs (Wilcox 7,800) | 1 | 22.1K | 191K | Oct 2011 – Jul 2026 |
| USA O-3-24522 | Famcor Oil, Inc. | Cold Springs, W. (Wilcox 7800 B) | 1 | 20.1K | 70.5K | Mar 2004 – Mar 2011 |
| Polk, Lelah O-3-16198 | Big Wells Energy Corporation | Evergreen | 1 | 19.7K | 926 | Jan 1993 – Mar 2016 |
| Cluxton O-3-14939 | SK & Co. Oil and Gas Oper., LLC | Old Waverly (Yegua 4200) | 1 | 19.3K | 6.4K | Jan 1993 – Jul 2026 |
| Foster Lumber Co. D O-3-10829 | Jet Oil Producers, Inc. | Cold Springs (Yegua -C- 4400) | 1 | 19.2K | 5.36K | Jan 1993 – Jan 2002 |
| Lazy M O-3-27867 | Upland Operating, LLC | Drews Landing (Wilcox Cons) | 1 | 13.7K | 0 | Mar 2021 – Jul 2026 |
| Foster Lumber Co. -A- O-3-24581 | Alta Mesa Services, LP | Cold Springs (Wilcox, Cons.) | 1 | 13.4K | 167K | Aug 2004 – Jul 2012 |
| USA O-3-26480 | Oretta Holdings LLC | Cold Springs (Wilcox 7,800) | 1 | 12K | 85.8K | May 2012 – Jul 2026 |
| Foster O-3-24463 | Famcor Oil, Inc. | Cold Springs (Wilcox, Cons.) | 1 | 11.7K | 50.1K | Sep 2003 – Jul 2008 |
| Foster Lumber Co. "A" O-3-21291 | Famcor Oil, Inc. | Cold Springs (Wilcox 9400) | 1 | 10.3K | 195K | Jan 1993 – Apr 1994 |
| Foster Lumber Co. 'A' O-3-25822 | Oretta Holdings LLC | Cold Springs, W. (Wilcox 7800 B) | 1 | 8.58K | 46.1K | Oct 2011 – Jul 2026 |
| Feagin O-3-25441 | Oretta Holdings LLC | Cold Springs (Yegua -C- 4400) | 1 | 7.43K | 21.2K | Oct 2009 – Jul 2026 |
| Ogletree O-3-26702 | Arcadia Operating, LLC | Shepherd, S. (Wilcox 8650) | 1 | 4.78K | 86.9K | Oct 2014 – May 2018 |
| Browder O-3-19223 | Diversified O&G Prod. Co., Inc. | Old Waverly, S. (Yegua 4300) | 1 | 4.21K | 15 | Jan 1993 – Jul 2026 |
| Beazley O-3-24193 | Famcor Oil, Inc. | Ace (Wilcox 1ST) | 1 | 4.08K | 11 | Apr 2002 – May 2004 |
| Foster Lumber Co. O-3-3073 | Royal Production Company, Inc. | Mercy | 1 | 3.37K | 4.65K | Jan 1993 – Jun 1997 |
| Central Coal & Coke O-3-12160 | Wilson Oil Company | Mercy, West (8330) | 1 | 3.31K | 21 | Jan 1993 – Jul 2026 |
| Foster Lumber Co. D O-3-24488 | Jet Oil Producers, Inc. | Cold Springs (Yegua -C- 4400) | 1 | 2.68K | 997 | Nov 2001 – Jul 2026 |
| Moore O-3-26018 | Famcor Oil, Inc. | Coline, West (Yegua -B-) | 1 | 2.05K | 6.37K | Aug 2012 – Aug 2014 |
| Richards, FM & LL O-3-25865 | Oretta Holdings LLC | Cold Springs (Yegua -C-) | 1 | 1.73K | 6.87K | Jun 2011 – Jul 2026 |
| Browder, W. B. O-3-28018 | Uosi Operating, Inc. | Old Waverly (Wilcox "E") | 1 | 1.7K | 0 | Jan 2023 – Jul 2026 |
| Eastham-Horizon Gas Unit O-3-23617 | Small, R.P. Corp. | Huntsville, Northeast | 1 | 1.69K | 6.44K | Sep 1998 – Jul 2026 |
| Central Coal & Coke O-3-22082 | Bock & Bacon, Inc. | Mercy (8550, Wilcox) | 1 | 1.22K | 560 | Jun 1993 – Dec 1994 |
| Elmore "C" O-3-26922 | Arcadia Operating, LLC | Flores (WX Consolidated-3) | 1 | 876 | 0 | Nov 2014 – Sep 2025 |
| Central Coal & Coke O-3-21015 | Bock & Bacon, Inc. | Mercy (9100, Wilcox) | 1 | 801 | 12K | Jan 1993 – Aug 1993 |
| Nebletts Creek O-3-26136 | Arcadia Operating, LLC | Old Waverly (Yegua 4400) | 1 | 528 | 76.2K | Nov 2012 – Jun 2018 |
| Lazy M Ranch, Ltd. O-3-27485 | Uosi Operating, Inc. | Raven Hill (Navarro) | 1 | 315 | 0 | Oct 2016 – Jul 2026 |
| USA-Coldspring O-3-28226 | Jet Oil Producers, Inc. | Coline | 1 | 162 | 0 | Apr 2025 – Jul 2026 |
| Ogletree, Ben O-3-11951 | Great Western Onshore Inc. | Shepherd (7682) | 1 | 56 | 0 | Jan 1993 – Aug 1994 |