| Johnson Deep Unit O-10-23029 | OXY USA Inc. only | Johnson (Glorieta) | Ector | 14 | 1.61M | 378K | by Jan 1993 – Aug 2026 |
| Cowden -13- O-10-31983 | Aghorn Operating, Inc. only | Harper (Glorieta) | Ector | 9 | 603K | 210K | by Jan 1993 – Jun 2026 |
| Johnson,j.l."h" O-10-23207 | OXY USA Inc. only | Johnson (Glorieta) | Ector | 3 | 525K | 89K | by Jan 1993 – Aug 2026 |
| Wootton O-10-14442 | Ctoc Energy, LLC only | Metz (Glorietta) | Ector | 8 | 396K | 216K | by Jan 1993 – Aug 2026 |
| Cowden -12- O-10-32108 | Aghorn Operating, Inc. only | Harper (Glorieta) | Ector | 10 | 380K | 164K | by Jan 1993 – Jun 2026 |
| Lazy E "A" O-10-33519 | Beach Exploration, Inc. only | Double -H- (Grayburg) | Ector | 7 | 328K | 81.7K | by Jan 1993 – Aug 2026 |
| JOHNSON,J.L."38" O-10-23143 | Aghorn Operating, Inc. only | Johnson (Glorieta) | Ector | 5 | 314K | 61K | by Jan 1993 – Feb 2000 |
| University "D" O-10-24769 | Citation Oil & Gas Corp. only | Penwell (Glorieta) | Ector | 4 | 313K | 260K | by Jan 1993 – Aug 2026 |
| Connell Estate -C- O-10-17965 | Ctoc Energy, LLC only | Penwell (Glorieta) | Ector | 4 | 256K | 208K | by Jan 1993 – Aug 2026 |
| Cowden Ranch -6- O-10-32731 | Rust Oil Corp. only | Harper (Glorieta) | Ector | 1 | 198K | 23K | by Jan 1993 – Aug 2026 |
| Wright -14- O-10-32230 | Aghorn Operating, Inc. only | Harper (Glorieta) | Ector | 2 | 197K | 28.6K | by Jan 1993 – Jun 2026 |
| Blakeney, B. H., -J- O-10-19468 | Scout Energy Management LLC only | Goldsmith, East (Glorieta) | Ector | 2 | 144K | 111K | by Jan 1993 – Aug 2026 |
| Cowden -F- O-10-31927 | Andector Exploration Company only | Goldsmith, N. (San Andres, Con.) | Ector | 3 | 110K | 287K | by Jan 1993 – May 2023 |
| Lazy -E- O-10-33271 | Beach Exploration, Inc. only | Double -H- (Grayburg) | Ector | 4 | 109K | 32.6K | by Jan 1993 – Aug 2026 |
| Connell, W. E. O-10-35641 | Ctoc Energy, LLC only | Penwell (Glorieta) | Ector | 2 | 94.1K | 53.6K | Dec 1997 – Aug 2026 |
| Connell, W. E. NCT-7 O-10-47729 | Ctoc Energy, LLC only | Penwell (Glorieta) | Ector | 1 | 92.3K | 32.7K | Jul 2015 – Aug 2026 |
| Cowden, R. B. -A- O-10-27032 | Andector Exploration Company only | Goldsmith | Ector | 6 | 74.2K | 221K | by Jan 1993 – Oct 2017 |
| Cowden -11- O-10-32085 | Aghorn Operating, Inc. only | Harper (Glorieta) | Ector | 2 | 71.2K | 27K | by Jan 1993 – Jun 2026 |
| Blakeney, B. H. -M1A- O-10-32667 | Scout Energy Management LLC only | Goldsmith, East (Glorieta) | Ector | 2 | 65.7K | 83.5K | by Jan 1993 – Apr 2007 |
| Williamson, J. M. O-10-18605 | Saga Petroleum LLC of Colorado only | Goldsmith, N. (San Andres, Con.) | Ector | 9 | 64.7K | 164K | by Jan 1993 – May 2013 |
| TXL O-10-29564 | Andector Exploration Company only | TXL (Devonian) | Ector | 1 | 38.2K | 84.1K | by Jan 1993 – Sep 2015 |
| Connell, W. E., NCT-2 O-10-13824 | Ctoc Energy, LLC only | Metz (Glorietta) | Ector | 1 | 38.1K | 19.1K | by Jan 1993 – Oct 2019 |
| Blakeney, B. H., -N- O-10-18920 | Scout Energy Management LLC only | Goldsmith, East (Glorieta) | Ector | 2 | 37.3K | 3.63K | by Jan 1993 – Jul 1999 |
| Cowden 14 O-10-32140 | Aghorn Operating, Inc. only | Harper (Glorieta) | Ector | 2 | 34.9K | 12.8K | by Jan 1993 – Jun 2026 |
| Johnson, J. L. -B- O-10-25510 | GL Energy Operating LLC only | Johnson (Glorieta) | Ector | 1 | 32K | 9.3K | by Jan 1993 – Jun 1996 |
| Cowden, R.B. F 10-1 O-10-35113 | Andector Exploration Company only | Goldsmith, N. (San Andres, Con.) | Ector | 1 | 30.2K | 119K | Sep 1996 – Dec 2013 |
| Bum -C- O-10-32246 | Andector Exploration Company only | Goldsmith, N. (San Andres, Con.) | Ector | 1 | 28.5K | 264K | by Jan 1993 – Aug 2023 |
| Cowden S O-10-39035 | Andector Exploration Company only | Goldsmith, N. (San Andres, Con.) | Ector | 2 | 26.4K | 36.9K | Aug 2008 – Feb 2025 |
| Blakeney, B. H. -V- O-10-9405 | Scout Energy Management LLC only | Goldsmith, East (Glorieta) | Ector | 1 | 23.7K | 66.9K | by Jan 1993 – Dec 2005 |
| Scharbauer "G" O-10-24951 | Cimarex Energy Co. of Colorado only | Goldsmith | Ector | 2 | 22.1K | 21 | by Jan 1993 – Jun 2001 |
| Eidson "C" O-10-14152 | Endeavor Energy Resources L.P. only | Metz (Glorietta) | Ector | 1 | 20.1K | 338 | by Jan 1993 – Jun 2015 |
| Cowden S O-10-12457 | Andector Exploration Company only | Goldsmith (5600) | Ector | 2 | 14.6K | 81.8K | by Jan 1993 – Oct 2006 |
| Connell, W. E., -B- O-10-16605 | Ctoc Energy, LLC only | Metz (Glorietta) | Ector | 2 | 13.9K | 1.56K | by Jan 1993 – Mar 2016 |
| Cowden "H" O-10-35523 | Andector Exploration Company only | Goldsmith, N. (San Andres, Con.) | Ector | 1 | 13.6K | 63.9K | Sep 1997 – Apr 2019 |
| Cowden RANCH"6 HG" O-10-37002 | Rust Oil Corp. only | Harper (Glorieta) | Ector | 1 | 13.1K | 1.38K | Dec 2002 – Nov 2021 |
| Cowden J O-10-8695 | Andector Exploration Company only | Goldsmith (5600) | Ector | 2 | 12.5K | 116K | by Jan 1993 – Oct 2006 |
| Cowden, R. B. -A- O-10-27605 | Andector Exploration Company only | Goldsmith, N. (San Andres, Con.) | Ector | 2 | 11.4K | 286K | by Jan 1993 – May 2016 |
| Judkins Townsite 'A' O-10-44115 | Ctoc Energy, LLC only | Penwell (Glorieta) | Ector | 1 | 11K | 5.62K | Apr 2013 – Dec 2016 |
| Cowden K O-10-8834 | Andector Exploration Company only | Goldsmith (5600) | Ector | 2 | 10K | 49.3K | Oct 1993 – Oct 2006 |
| Connell, W. E., NCT-15 O-10-19354 | Texaco E & P Inc. only | Penwell (Glorieta) | Ector | 1 | 9.93K | 23 | by Jan 1993 – Apr 1997 |
| Father Mulcahy O-10-37413 | Andector Exploration Company only | Goldsmith (Grayburg) | Ector | 1 | 9.49K | 0 | Mar 2004 – Oct 2011 |
| Cowden J O-10-38603 | Andector Exploration Company only | Goldsmith (Clear Fork) | Ector | 2 | 8.88K | 83.9K | Nov 2006 – Aug 2026 |
| Cowden F O-10-46133 | Andector Exploration Company only | Goldsmith | Ector | 1 | 7.5K | 2.89K | Oct 2011 – May 2018 |
| Cowden K O-10-38604 | Andector Exploration Company only | Goldsmith (Clear Fork) | Ector | 2 | 5.5K | 38K | Nov 2006 – May 2025 |
| Scharbauer -N- O-10-36820 | Saddleback Exploration, LLC only | Goldsmith, East (Queen) | Ector | 1 | 4.7K | 26.8K | Jul 2001 – Apr 2007 |
| Frank -A- O-10-35891 | Conocophillips Company only | Loretta (Glorieta) | Ector | 1 | 4.66K | 15.3K | Sep 1998 – Sep 2003 |
| Cowden H O-10-8479 | Andector Exploration Company only | Goldsmith (5600) | Ector | 5 | 4.46K | 34.1K | by Jan 1993 – Oct 2006 |
| Cowden -F- 10-1 O-10-31726 | Andector Exploration Company only | Goldsmith (5600) | Ector | 1 | 3.77K | 8.34K | by Jan 1993 – Aug 1996 |
| Cowden 24 O-10-33005 | Whiting Oil and Gas Corporation only | Harper (Glorieta) | Ector | 2 | 3.69K | 695 | by Jan 1993 – Jul 1994 |
| Cowden H O-10-38602 | Andector Exploration Company only | Goldsmith (Clear Fork) | Ector | 1 | 3.6K | 22.1K | Nov 2006 – Aug 2023 |