| Fasken ZA 4143 G-10-298974 | Fasken Oil and Ranch, Ltd. only | Emma (Barnett Shale) | Andrews | 1 | 91.8K | 328K | Nov 2024 – Aug 2026 |
| Lindsey-Bledsoe A-143 G-3-261183 | Samson Exploration, LLC only | Hartburg, S.E. (Yegua EY-2) | Orange | 1 | 53.2K | 670K | Jul 2010 – Aug 2012 |
| Champion Int'l Unit A-143 G-6-157886 | Swift Energy Company only | Brookeland (Austin Chalk, 8800) | Newton | 1 | 26.1K | 152K | Jan 1996 – Feb 1999 |
| Parnell "143" G-14-187308 | Mewbourne Oil Company only | Parsell (Morrow, Lower) | Ochiltree | 1 | 14K | 971K | Jan 2002 – Aug 2026 |
| Kirby-Holy Cross G-3-213394 | Basa Resources, Inc. only | Wadsworth, S. (Discorbis 14390) | Matagorda | 1 | 8.59K | 1.01M | Jun 2005 – Oct 2010 |
| Hardy Gas Unit G-3-212831 | Devon Energy Production Co, L.P. only | Wadsworth, S. (Discorbis 14390) | Matagorda | 1 | 7.78K | 4.81M | May 2005 – Mar 2012 |
| Texas State Tract 143 G-4-45176 | Petro-Hunt, L.L.C. only | Nine Mile Point (Consol. Fld.) | Aransas | 1 | 7.31K | 1.98M | by Jan 1993 – Sep 2012 |
| BP America A-3 G-3-206247 | Petro-Smith Operating LLC only | Bankston (14300 Sand) | Hardin | 1 | 7.29K | 42.2K | Nov 2004 – Nov 2008 |
| Sawyer 143 G-9-147582 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 1.75K | 574K | Nov 1993 – Aug 2026 |
| Sid "143" G-14-222867 | Mewbourne Oil Company only | Roadside (Atoka) | Ochiltree | 1 | 1.65K | 207K | Oct 2006 – Aug 2026 |
| Emil J. Ottis Heirs Gas Unit G-3-242064 | Devon Energy Production Co, L.P. only | Wadsworth, S. (Discorbis 14390) | Matagorda | 1 | 1.53K | 118K | Apr 2008 – Sep 2008 |
| Sawyer 143 G-9-137848 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 1.41K | 420K | by Jan 1993 – Aug 2026 |
| Sawyer 143 G-9-142176 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 1.33K | 446K | by Jan 1993 – Aug 2026 |
| Sawyer 143 G-9-147927 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 1.31K | 687K | Jan 1994 – Aug 2026 |
| Sawyer 143 G-9-139033 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 1.25K | 518K | by Jan 1993 – Aug 2026 |
| Sid "143" G-14-199150 | Mewbourne Oil Company only | Parsell (Morrow, Lower) | Ochiltree | 1 | 1.09K | 72.6K | Dec 2003 – Sep 2006 |
| Sawyer 143 G-9-138563 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 953 | 566K | by Jan 1993 – Aug 2026 |
| Sawyer 143 G-9-147580 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 934 | 431K | Nov 1993 – Mar 2024 |
| Sawyer 143 G-9-147670 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 816 | 419K | Dec 1993 – Aug 2026 |
| Sawyer 143 G-9-147926 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 748 | 449K | Jan 1994 – Aug 2026 |
| Sawyer 143 G-9-62011 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 568 | 62.3K | by Jan 1993 – Aug 2026 |
| Sawyer 143 G-9-35667 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 538 | 237K | by Jan 1993 – Aug 2026 |
| Fasken-State 1430 GU G-1-261362 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | Webb | 1 | 498 | 3.75M | Dec 2010 – Aug 2026 |
| Sawyer 143 G-9-146936 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 468 | 445K | Sep 1993 – Aug 2026 |
| Appling 1435 G-1-269920 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | La Salle | 1 | 267 | 2.75M | Jun 2012 – Aug 2026 |
| Sawyer 143 G-9-141581 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 247 | 468K | by Jan 1993 – Aug 2026 |
| Sawyer 143 G-9-61583 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 240 | 357K | by Jan 1993 – Aug 2026 |
| Sawyer 143 G-9-61311 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 202 | 141K | by Jan 1993 – Aug 2026 |
| Sawyer 143 G-9-137670 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 173 | 287K | by Jan 1993 – Aug 2026 |
| Sawyer 143 G-9-218145 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 80 | 258K | Mar 2006 – Aug 2026 |
| Sawyer 143 G-9-180226 | Robert C. Brower, LLC only | Sawyer (Canyon) | Sutton | 1 | 67 | 356K | Nov 2000 – Mar 2024 |
| Lindsey-Bledsoe A-143 G-3-266851 | Samson Exploration, LLC only | Hartburg, S.E. (Yegua EY-2) | Orange | 1 | 43 | 496 | Jun 2012 – Jun 2012 |
| Appling 1435 G-1-294824 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | La Salle | 1 | 23 | 5.09M | Apr 2023 – Aug 2026 |
| Appling 1435 G-1-294844 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | La Salle | 1 | 22 | 5.46M | Apr 2023 – Aug 2026 |
| Appling 1435 G-1-295002 | Lewis Petro Properties, Inc. only | Hawkville (Eagleford Shale) | La Salle | 1 | 22 | 5.15M | Apr 2023 – Aug 2026 |
| Aldwell Ranch B 143 G-9-227764 | Upp Operating, LLC only | Sawyer (Canyon) | Sutton | 1 | 6 | 163K | Nov 2006 – Jul 2026 |
| Garza, L. RE-Entry G-4-184837 | Tri-C Resources, Inc. only | Fandango (Wilcox 14300) | Zapata | 1 | 6 | 815K | Aug 2001 – Mar 2005 |
| Dugat "A" G-2-175140 | Dreyfus, Louis Natural Gas Corp only | Gata (14300) | Lavaca | 1 | 0 | 26.4K | Jul 1999 – Aug 1999 |
| Snyder Mineral Trust 143 G-8-127010 | L.C.S. Production Company only | SMT (Ellenburger) | Callahan | 1 | 0 | 175K | by Jan 1993 – Oct 2001 |
| Snyder Mineral Trust "143" G-8-108088 | L.C.S. Production Company only | SMT (Strawn) | Callahan | 1 | 0 | 4.02K | by Jan 1993 – Jul 1999 |
| Winding Brook Corporation G-4-186616 | El Paso Production Oil & Gas Co. only | McCook, SE. (Vicksburg 14300) | Hidalgo | 1 | 0 | 0 | — |
| Hamilton Fee G-1-53981 | Hamilton, J. R. only | Hamilton Fee (1430) | Dimmit | 1 | 0 | 2.47K | by Jan 1993 – Nov 2011 |
| Winding Brook Corporation G-4-182639 | El Paso Production Oil & Gas Co. only | McCook, SE. (Vicksburg 14300) | Hidalgo | 1 | 0 | 0 | — |
| Trevino, A. G-4-103958 | Rothwell Energy Ventures Ltd only | Fandango (Wilcox 14300) | Zapata | 1 | 0 | 0 | — |
| Exxon Fee 143 No. 1 G-3-134087 | Quail Creek Oil Corporation only | Little Oak (Yegua 6972) | Tyler | 1 | 0 | 0 | — |