| Big Wells /San Miguel/ Unit O-1-4421 | Big Wells (San Miguel) | Dimmit | 337 | 3.1M | 998K | Jan 1993 – Jul 2026 |
| Buchanan, John F. -A- O-1-13173 | Pearsall (Austin Chalk) | Zavala | 5 | 852K | 682K | Jan 1993 – Jul 2026 |
| Johnston Ranch O-1-17738 | Pearsall (Austin Chalk) | Frio | 12 | 600K | 33.7K | Nov 2013 – Jul 2026 |
| Jones, E. B. O-1-5267 | Pearsall (Austin Chalk) | Dimmit | 8 | 421K | 783K | Jan 1993 – Jul 2026 |
| Haley, C.R. O-1-12421 | Pearsall (Austin Chalk) | Zavala | 2 | 358K | 206K | Jan 1993 – Jul 2026 |
| Heitz, B.M. O-1-12350 | Pearsall (Austin Chalk) | Zavala | 3 | 350K | 289K | Jan 1993 – Jul 2026 |
| Briscoe O-1-14599 | Briscoe Ranch (Olmos) | Dimmit | 19 | 322K | 2.16M | Jun 2005 – Jul 2026 |
| Jones, E. B. O-1-12370 | Pearsall (Austin Chalk) | Zavala | 3 | 258K | 405K | Jan 1993 – Jul 2026 |
| Big Wells Lo. San Miguel Unit O-1-4208 | Big Wells(san Miguel, Lo., East) | Dimmit | 47 | 250K | 20.8K | Jan 1993 – Jul 2026 |
| Buchanan O-1-17742 | Pearsall (Buda, S.) | Zavala | 1 | 190K | 798K | Apr 2013 – Jul 2026 |
| Phillip C. James et al Unit O-1-13519 | Pearsall (Austin Chalk) | Dimmit | 1 | 188K | 193K | Jan 1993 – Jul 2026 |
| Briscoe (5140) O-1-14732 | Briscoe Ranch (Olmos) | Dimmit | 24 | 119K | 1.16M | Aug 2006 – Jul 2026 |
| Bowman, McLean "B" O-1-5859 | Good Luck (San Miguel) | Dimmit | 2 | 115K | 23 | Jan 1993 – Jul 2026 |
| Flores O-1-17607 | Pearsall (Buda Lime) | Zavala | 1 | 94.7K | 206K | Sep 2012 – Jul 2026 |
| McKinley O-1-17909 | Pearsall (Austin Chalk) | Frio | 1 | 92.6K | 34.4K | Jan 2014 – Jul 2026 |
| MB Korn O-1-5805 | Good Luck (San Miguel) | Dimmit | 3 | 65.2K | 23 | Jan 1993 – Jul 2026 |
| MB Adams O-1-18284 | Good Luck (San Miguel) | Dimmit | 4 | 59.9K | 0 | May 2014 – Jul 2026 |
| Buchanan -B- Unit O-1-14838 | Pearsall (Austin Chalk) | Zavala | 1 | 44.7K | 38.6K | Mar 2007 – Jul 2026 |
| Johnston-Osage Unit B O-1-18312 | Pearsall (Austin Chalk) | Frio | 1 | 42.3K | 1.09K | Oct 2014 – Jul 2026 |
| Mann-San Miguel O-1-15050 | Pearsall (Austin Chalk) | Frio | 1 | 34.7K | 0 | Nov 2008 – Jul 2026 |
| Johnston-Osage Unit O-1-18103 | Pearsall (Austin Chalk) | Frio | 1 | 29.1K | 285 | Apr 2014 – Jul 2026 |
| Haley-Tarh O-1-17784 | Pearsall (Buda, S.) | Zavala | 1 | 28.6K | 235K | Dec 2012 – Jul 2026 |
| Harrison-Vogel Unit O-1-18365 | Pearsall (Austin Chalk) | Frio | 1 | 21.8K | 11.6K | Oct 2014 – Jul 2026 |
| Baggett, Jeff O-1-5414 | Pearsall (Austin Chalk) | Zavala | 3 | 19.2K | 4.74K | Jan 1993 – Jul 2026 |
| Alvin Blalack 77 O-1-17951 | Pearsall (Austin Chalk) | Dimmit | 1 | 18.7K | 7.67K | May 2013 – Jul 2026 |
| Huck-Harrington O-1-13161 | Pearsall (Austin Chalk) | Dimmit | 1 | 7.01K | 10 | Jan 1993 – Jul 2026 |
| Korn A O-1-19771 | Big Wells (San Miguel) | Dimmit | 1 | 4.69K | 0 | Sep 2018 – Jul 2026 |
| Robert Price 59 O-1-18498 | Pearsall (Austin Chalk) | Dimmit | 1 | 2.17K | 3.14K | Jan 2015 – Jul 2026 |
| Korn O-1-19289 | Big Wells (San Miguel) | Dimmit | 1 | 1.71K | 0 | Nov 2017 – Jul 2026 |
| Robert Price -A- O-1-15491 | Pearsall (Austin Chalk) | Dimmit | 1 | 1.44K | 558 | Dec 2009 – Jul 2026 |
| Briscoe, Dolph "C" O-1-14745 | Briscoe Ranch (Olmos) | Dimmit | 1 | 413 | 1.69K | Oct 2006 – Jul 2026 |
| Briscoe (5140) G-1-221242 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 367K | Jun 2006 – Jul 2026 |
| Briscoe (5140) G-1-221218 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 57.7K | Sep 2006 – Jul 2026 |
| Webb, J.A. G-1-152975 | Pena Creek (Olmos 2400) | Dimmit | 1 | 0 | 3.09K | Aug 1994 – Jul 2026 |
| Briscoe (5140) G-1-220888 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 26.9K | Jun 2006 – Jul 2026 |
| Briscoe G-1-220777 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 136K | Apr 2006 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-152694 | Big Wells (San Miguel) | Zavala | 1 | 0 | 291K | Jan 1995 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-52861 | Big Wells (San Miguel) | — | 1 | 0 | 1.11M | Jan 1993 – Jul 2026 |
| Briscoe (5140) G-1-220370 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 192 | Jun 2006 – Jul 2026 |
| Briscoe (5140) G-1-220367 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 436K | May 2006 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-151604 | Big Wells (San Miguel) | Zavala | 1 | 0 | 895K | Sep 1994 – Jul 2026 |
| Briscoe (5140) G-1-220342 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 0 | Apr 2006 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-55018 | Big Wells (San Miguel) | — | 1 | 0 | 1.03M | Jan 1993 – Jul 2026 |
| Briscoe (5140) G-1-232739 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 136K | Dec 2007 – Jul 2026 |
| Briscoe (5140) G-1-233663 | Wildcat | Dimmit | 1 | 0 | 0 | Oct 2007 – Jul 2026 |
| Briscoe (5140) G-1-241878 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 21K | May 2008 – Jul 2026 |
| Briscoe G-1-216436 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 629K | Dec 2005 – Jul 2026 |
| Big Wells (San Miguel) Unit G-1-150352 | Big Wells (San Miguel) | Zavala | 1 | 0 | 493K | Jun 1994 – Jul 2026 |
| Briscoe (5140) G-1-232674 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 232K | Jun 2007 – Jul 2026 |
| Briscoe, Dolph "B" G-1-230054 | Briscoe Ranch (Olmos) | Dimmit | 1 | 0 | 260K | Jan 2007 – Jul 2026 |