| Goldsmith, C. A., Etal O-10-2100 | Hilcorp Energy Company only | Goldsmith (Clear Fork) | Ector | 884 | 18.5M | 43.3M | by Jan 1993 – Jul 2026 |
| Goldsmith San Andres Unit O-10-2020 | Hilcorp Energy Company only | Goldsmith | Ector | 721 | 14.8M | 20.6M | by Jan 1993 – Aug 2026 |
| South Cowden Unit O-10-19297 | Conocophillips Company only | Cowden, South | Ector | 118 | 3.52M | 11.8M | by Jan 1993 – Aug 2026 |
| Cowden, Clyde O-10-2309 | Conocophillips Company only | Goldsmith (5600) | Ector | 87 | 2.6M | 4.04M | by Jan 1993 – Oct 2006 |
| Harper Devonian Unit O-10-20609 | Hilcorp Energy Company only | Harper (Devonian) | Ector | 42 | 2.33M | 16M | by Jan 1993 – Aug 2026 |
| Goldsmith, C. A., Etal O-10-2186 | Hilcorp Energy Company only | Goldsmith (Devonian) | Ector | 42 | 2.3M | 13.1M | by Jan 1993 – Aug 2026 |
| Cummins -12- O-10-210 | Condor Operating Company, LLC only | Andector (Ellenburger) | Ector | 8 | 1.26M | 658K | by Jan 1993 – Aug 2026 |
| N. Concho Bluff Queen Unit O-10-16561 | Hilcorp Energy Company only | Concho Bluff, North (Queen) | Upton | 51 | 1.2M | 14.6K | by Jan 1993 – Aug 2026 |
| Goldsmith Blakeney Clrfk. Unit O-10-20639 | Lario Oil & Gas Company only | Goldsmith (Clear Fork) | Ector | 25 | 1.12M | 1.07M | by Jan 1993 – Aug 2026 |
| Smith "19" O-10-34120 | Sahara Operating Company only | Cowden, North (Clear Fork) | Ector | 5 | 1.11M | 129K | Mar 1994 – Jul 2026 |
| TXL Devonian Main Pay Unit O-10-21431 | Hilcorp Energy Company only | TXL (Devonian-Main Pay) | Ector | 61 | 866K | 5.56M | by Jan 1993 – Aug 2026 |
| Jordan /San Andres/ Unit O-10-20650 | KRF Production Company LLC only | Jordan | Crane | 59 | 739K | 1.16M | by Jan 1993 – Mar 2025 |
| Goldsmith, C. A. Etal O-10-3441 | Hilcorp Energy Company only | Lawson (San Andres) | Ector | 48 | 617K | 1.07M | by Jan 1993 – Aug 2026 |
| Moss -E- O-10-17665 | Hilcorp Energy Company only | Harper (Ellenburger) | Ector | 7 | 604K | 601K | by Jan 1993 – Aug 2026 |
| Cutlass O-10-37344 | Hilcorp Energy Company only | Arbol de Nada (Devonian) | Ector | 6 | 573K | 2.37M | Mar 2004 – Aug 2026 |
| Falcatta O-10-37476 | Hilcorp Energy Company only | Arbol de Nada (Devonian) | Ector | 4 | 537K | 2.14M | Nov 2004 – Aug 2026 |
| Rapier O-10-37079 | Hilcorp Energy Company only | Arbol de Nada (Devonian) | Winkler | 7 | 471K | 3.77M | Apr 2003 – Aug 2026 |
| Johnson, J. L. "B" O-10-23320 | BP America Production Company only | Johnson | Ector | 60 | 462K | 471K | by Jan 1993 – Mar 2003 |
| Paul Slator 38 O-10-36026 | Hilcorp Energy Company only | Slator (Devonian) | Ector | 3 | 439K | 1.75M | Jul 1999 – Aug 2026 |
| Thomas, A. E. O-10-32734 | Hilcorp Energy Company only | TXL (Tubb) | Ector | 4 | 316K | 582K | by Jan 1993 – May 2026 |
| Klinger B O-10-36400 | Hilcorp Energy Company only | Mash (Devonian) | Ector | 2 | 294K | 1.3M | Aug 2000 – Aug 2026 |
| Parker -B- O-10-20333 | Dinero Operating Company only | TXL (San Andres) | Ector | 6 | 256K | 300K | by Jan 1993 – Feb 2018 |
| Cummins-J O-10-18617 | Hilcorp Energy Company only | Goldsmith, N. (San Andres, Con.) | Ector | 9 | 251K | 1.91M | by Jan 1993 – Aug 2026 |
| Cowden, J. F. O-10-18614 | Diamond S Energy Company only | Goldsmith, N. (San Andres, Con.) | Ector | 10 | 236K | 3.54M | by Jan 1993 – Aug 2026 |
| Hot Lips O-10-36365 | Hilcorp Energy Company only | Mash (Devonian) | Ector | 4 | 234K | 793K | Jul 2000 – Sep 2023 |
| Scimitar O-10-37198 | Hilcorp Energy Company only | Arbol de Nada (Devonian) | Ector | 6 | 232K | 1.33M | Jul 2003 – Aug 2026 |
| Magruder 8 O-10-45287 | Mewbourne Oil Company only | Andector (Wichita Albany) | Ector | 2 | 225K | 605K | Apr 2014 – Aug 2026 |
| Cummins -13- O-10-32363 | Condor Operating Company, LLC only | Goldsmith, N. (San Andres, Con.) | Ector | 6 | 217K | 1.69M | by Jan 1993 – Aug 2026 |
| Hawkeye C O-10-36326 | Hilcorp Energy Company only | Mash (Devonian) | Ector | 1 | 214K | 631K | Mar 2000 – Aug 2026 |
| Foster-J O-10-30774 | Conocophillips Company only | Cowden, South (Canyon 8790) | Ector | 2 | 210K | 174K | by Jan 1993 – Nov 2003 |
| Headlee, E. V., TG O-10-2513 | Four Star Oil and Gas Company only | Headlee (Ellenburger) | Ector | 4 | 207K | 322K | by Jan 1993 – May 1998 |
| Cummins -J- O-10-2234 | Hilcorp Energy Company only | Goldsmith, N. (Ellenburger) | Ector | 6 | 200K | 1.18M | by Jan 1993 – Feb 2004 |
| O'Reilly WA O-10-45235 | Hilcorp Energy Company only | Three Bar (Wichita) | Ector | 2 | 190K | 418K | May 2014 – Aug 2026 |
| Klinger A O-10-36625 | Hilcorp Energy Company only | Mash (Devonian) | Ector | 3 | 190K | 807K | Mar 2001 – Aug 2026 |
| Cummins -N- O-10-8955 | Hilcorp Energy Company only | Goldsmith, W. (Ellenburger) | Ector | 4 | 184K | 580K | by Jan 1993 – Aug 2026 |
| Radar B O-10-36551 | Hilcorp Energy Company only | Mash (Devonian) | Winkler | 3 | 180K | 620K | Feb 2001 – Nov 2023 |
| Parker, J. E. O-10-8549 | Shinnery Oil Company, Inc. only | Harper | Ector | 9 | 177K | 68.6K | by Jan 1993 – Aug 2026 |
| Cummins V O-10-27719 | Hilcorp Energy Company only | Goldsmith, N. (San Andres, Con.) | Ector | 2 | 174K | 400K | by Jan 1993 – Jan 2025 |
| Parker, J.E. O-10-37977 | Hilcorp Energy Company only | TXL (Silurian) | Ector | 1 | 174K | 274K | Jul 2005 – Aug 2026 |
| Frank -B- O-10-47355 | Conocophillips Company only | Embar (Permian) | Ector | 1 | 164K | 663K | Jan 2016 – Aug 2019 |
| Cummins -C- O-10-2004 | Hilcorp Energy Company only | Goldsmith | Ector | 22 | 162K | 234K | by Jan 1993 – Jul 2026 |
| Goldsmith Holt Unit O-10-13738 | Miltex Oil Company only | Goldsmith (Holt) | Ector | 6 | 162K | 104K | by Jan 1993 – Aug 2026 |
| Johnson 31 O-10-43446 | Sahara Operating Company only | Cowden, North (Canyon) | Ector | 1 | 155K | 50K | May 2012 – Jul 2026 |
| Klink Unit O-10-41636 | Conocophillips Company only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 2 | 147K | 118K | May 2011 – Sep 2013 |
| Thomas -E- O-10-32026 | Hilcorp Energy Company only | TXL (Tubb) | Ector | 4 | 127K | 125K | May 1993 – Aug 2026 |
| Kloh B-39 O-10-36025 | Hilcorp Energy Company only | Slator (Devonian) | Ector | 1 | 122K | 525K | Jul 1999 – Aug 2026 |
| Smith O-10-14275 | Kenworthy Oil Company only | Cowden, North | Ector | 5 | 118K | 30 | by Jan 1993 – Aug 2026 |
| Hogan O-10-41498 | Conocophillips Company only | Sallie Ann (Spraberry-Wolfcamp) | Ector | 4 | 116K | 256K | Apr 2011 – Aug 2013 |
| Ratliff "F" O-10-33223 | Eureka Prospecting Company only | Ratliff (Ellenburger) | Ector | 1 | 114K | 334K | by Jan 1993 – Feb 2017 |
| Cowden -F- O-10-31927 | Andector Exploration Company only | Goldsmith, N. (San Andres, Con.) | Ector | 3 | 110K | 287K | by Jan 1993 – May 2023 |