| TXL O-10-52153 | Andector Exploration Company only | Andector (Wichita Albany) | Ector | 1 | 3.43K | 2.76K | Oct 2015 – Apr 2026 |
| TXL -E- O-10-19257 | Cleveland Oil Company,l.l.c.,the only | TXL (McKee) | Ector | 1 | 3.42K | 38.2K | Jan 1993 – Apr 1999 |
| Slator -C- O-10-49691 | Hilcorp Energy Company only | Goldsmith, W. (San Andres) | Ector | 4 | 3.4K | 21.6K | Mar 2018 – Apr 2026 |
| TXL -C- O-10-49688 | Baker Operating, Inc. only | Goldsmith, W. (San Andres) | Ector | 4 | 3.36K | 708 | Mar 2018 – Oct 2023 |
| Frank "B" G-10-155335 | Conocophillips Company only | Andector (McKee) | Ector | 1 | 3.35K | 79.6K | Aug 1995 – Dec 1996 |
| Cummins-P G-10-31434 | Fivestones Energy LLC only | Goldsmith, N. (San Andres, Con.) | Ector | 1 | 3.35K | 226K | Jan 1993 – Feb 2010 |
| Fife, Barney O-10-36344 | OXY USA WTP LP only | Goldsmith (Devonian, Val-Al) | Ector | 1 | 3.3K | 0 | Jun 2000 – May 2003 |
| Nelson O-10-35363 | Brown, H. L., Jr. only | Bob (Ellenburger) | Ector | 1 | 3.27K | 332 | Jun 1997 – Apr 1998 |
| Cross, J. T. O-10-12062 | Acoma Operating, LLC only | Moss (Grayburg) | Ector | 5 | 3.27K | 18 | Jan 1993 – Jan 2014 |
| Smith, R. W. -F- O-10-35029 | Occidental Permian Ltd. only | Cowden, North (Clear Fork) | Ector | 1 | 3.24K | 0 | Jul 1996 – Jun 2002 |
| TXL 1902-T O-10-33940 | Endeavor Energy Resources L.P. only | York (Queen-Grayburg) | Ector | 4 | 3.23K | 17.5K | Sep 1993 – May 2006 |
| Johnson, Dora -C- O-10-22241 | O'Ryan Oil and Gas only | Cowden, South (Canyon 8790) | Ector | 1 | 3.21K | 25 | Jan 1993 – Oct 1995 |
| TXL O-10-13799 | Incline Energy only | Slator (San Andres) | Ector | 2 | 3.19K | 2.78K | Jan 1993 – Apr 2012 |
| Wig "A" O-10-22712 | Yates Oil & Gas Company only | Cowden, North (Holt) | Ector | 1 | 3.18K | 523 | Jan 1993 – Apr 2002 |
| Parker Trust 19 O-10-40973 | Acoma Operating, LLC only | Goldsmith (Clear Fork) | Ector | 1 | 3.17K | 8.01K | Mar 2011 – Sep 2013 |
| Cowden B O-10-18524 | Andector Exploration Company only | Goldsmith, N. (San Andres, Con.) | Ector | 2 | 3.16K | 2.36K | Jan 1993 – Jan 1999 |
| Cowden, R. B. "A" O-10-22664 | Endeavor Energy Resources L.P. only | Goldsmith (5600) | Ector | 3 | 3.15K | 20.7K | Jan 1993 – Apr 1994 |
| Goldsmith Andector Unit G-10-155115 | Conocophillips Company only | Goldsmith (Clear Fork) | Ector | 1 | 3.12K | 1.02M | Jul 1995 – Sep 2012 |
| Connell, A.B. 29 O-10-33926 | Cross Timbers Energy, LLC only | Jordan West (Wolfcamp) | Ector | 1 | 3.06K | 579 | Aug 1993 – Sep 1993 |
| Embar O-10-39756 | Conocophillips Company only | Andector (Grayburg) | Ector | 2 | 3.06K | 0 | Jan 2013 – Apr 2017 |
| Connell, W. E. -A- O-10-64363 | Davis Southern Operating Co LLC only | Penwell (Waddell) | Ector | 1 | 3.05K | 2.89K | Dec 2025 – Apr 2026 |
| Vest Ranch O-10-43060 | EXL Petroleum Operating Inc. only | Arenoso (Strawn Detritus) | Ector | 1 | 3.03K | 0 | Mar 2012 – Oct 2014 |
| Moneypenny O-10-36616 | OXY USA WTP LP only | Andector (Wichita Albany) | Ector | 1 | 2.94K | 6.41K | May 2001 – Jun 2021 |
| Parker O-10-31261 | Alleder Inc. only | Harper | Ector | 2 | 2.91K | 42 | Jan 1993 – Dec 1997 |
| Westbend Commercial SWD O-10-32582 | Rust Oil Corp. only | Cowden (Penn Detrital) | Ector | 1 | 2.91K | 19 | Jan 1993 – Jul 1998 |
| McKnight -A- O-10-34484 | Texaco E & P Inc. only | Headlee (Wolfcamp) | Ector | 1 | 2.88K | 26.4K | Apr 1995 – May 1995 |
| Scharbauer 'G' O-10-40268 | Merit Energy Company only | Goldsmith | Ector | 1 | 2.88K | 8.72K | May 2010 – Nov 2012 |
| Cummins D O-10-33250 | Hilcorp Energy Company only | Goldsmith, W. (Wolfcamp) | Ector | 1 | 2.86K | 4.33K | Jan 1993 – Jul 1994 |
| Ector "AK" Fee O-10-32120 | OXY USA Inc. only | Cowden, South | Ector | 2 | 2.85K | 9 | Jan 1993 – Sep 1993 |
| Goldsmith, C. A., Etal O-10-2216 | Chevron U. S. A. Inc. only | Goldsmith (Holt) | Ector | 1 | 2.81K | 1.04K | Jan 1993 – Oct 1993 |
| Embar G-10-49985 | Maverick Permian LLC only | Goldsmith, N. (San Andres, Con.) | Ector | 1 | 2.8K | 1M | Jan 1993 – Mar 2014 |
| Madison O-10-36094 | Anadarko E&P Company LP only | P-Bar (Wolfcamp) | Ector | 1 | 2.79K | 1.61K | Mar 1999 – Mar 2003 |
| TXL Devonian Main Pay Unit G-10-116620 | Hilcorp Energy Company only | TXL (Devonian-Main Pay) | Ector | 1 | 2.75K | 14.3M | Jan 1993 – Apr 2026 |
| Barrow O-10-15236 | BTA Oil Producers only | Cowden, North | Ector | 5 | 2.71K | 2.97K | Jan 1993 – Oct 1994 |
| North Goldsmith Gas Unit No. 2 G-10-32440 | R3 Operating Corporation only | Goldsmith, N. (San Andres, Con.) | Ector | 1 | 2.68K | 416K | Jan 1993 – Feb 2025 |
| Connell, W. E. Tr."b" O-10-22936 | Devon Energy Corporation(nevada) only | Jordan (Waddell) | Ector | 1 | 2.67K | 28 | Jan 1993 – Apr 1995 |
| Phillips TXL -E- O-10-26158 | Petroplex Energy Inc. only | TXL (San Andres) | Ector | 1 | 2.67K | 290K | Jan 1993 – Feb 2018 |
| Texaco-Slator -22- O-10-38085 | Rust Oil Corp. only | Goldsmith (Clear Fork) | Ector | 1 | 2.67K | 0 | Nov 2006 – Apr 2010 |
| Cowden "A" G-10-75650 | Cuervo, Inc. only | Cowden, South | Ector | 1 | 2.66K | 44.7K | Jan 1993 – Mar 2005 |
| Limpia G-10-152793 | Conocophillips Company only | Andector (McKee) | Ector | 1 | 2.62K | 424K | Dec 1994 – Feb 2012 |
| Castleman -11- O-10-32445 | Aghorn Operating, Inc. only | Harper (Glorieta) | Ector | 1 | 2.61K | 78 | Jan 1993 – Jul 1995 |
| TXL O-10-13105 | Cuervo, Inc. only | Double -H- (Grayburg) | Ector | 2 | 2.6K | 420 | Jan 1993 – Nov 1998 |
| Ratliff Ranch -B- O-10-38031 | Eureka Prospecting Company only | Dora Roberts (Consolidated) | Ector | 1 | 2.59K | 1.14K | Dec 2006 – Feb 2013 |
| Slator O-10-15403 | Texas Consolidated Pet. Corp. only | TXL (San Andres) | Ector | 1 | 2.58K | 21 | Jan 1993 – Apr 2001 |
| Ratliff "G" O-10-26423 | Merit Energy Company only | Headlee, N. (Devonian) | Ector | 1 | 2.56K | 20.3K | Jan 1993 – Jan 1995 |
| Northeast -34- O-10-33036 | Baker Operating, Inc. only | Goldsmith, W. (San Andres) | Ector | 2 | 2.56K | 44 | Jan 1993 – Jun 2018 |
| Texaco-Henderson O-10-34288 | Edwards-Foster, Inc. only | Edwards | Ector | 1 | 2.52K | 2 | Aug 1994 – Dec 1995 |
| Cummins, H. E., -B- O-10-13294 | Aghorn Operating, Inc. only | Goldsmith (Fusselman) | Ector | 4 | 2.51K | 13.6K | Jan 1993 – Jul 2001 |
| John "J" O-10-23597 | Aghorn Operating, Inc. only | Johnson (Penn) | Ector | 1 | 2.46K | 52 | Jan 1993 – Feb 1997 |
| Johnson, J L Jr Unit a EO O-10-48561 | Crescent Energy Operating, LLC only | Donnelly (San Andres) | Ector | 1 | 2.45K | 3.2K | Mar 2017 – Sep 2017 |