| TXL Phillips O-10-36029 | Hilcorp Energy Company | Slator (Devonian) | 1 | 5.1K | 9.87K | Jul 1999 – Mar 2009 |
| T. X. L. -S- O-10-36024 | Drake Oil & Gas, LLC | Slator (Devonian) | 1 | 5.09K | 3.66K | Jul 1999 – Jul 2026 |
| Slator -C- O-10-49722 | Formentera Operations LLC | Goldsmith, W. (San Andres) | 2 | 5K | 100K | Mar 2018 – Aug 2026 |
| Ector -al- Fee O-10-17282 | Texas Consolidated Pet. Corp. | Lawson (San Andres) | 1 | 4.99K | 6.98K | by Jan 1993 – Nov 1999 |
| Parker Estate -A- O-10-30494 | Robertson Resources, Inc. | Lawson (San Andres) | 1 | 4.97K | 758 | by Jan 1993 – Jul 1998 |
| Edwards O-10-27365 | Omar Operating Company | Edwards, West (Canyon) | 1 | 4.96K | 2.61K | by Jan 1993 – Jun 1996 |
| Holt, D.B. -B- O-10-28755 | Alto Minerals, Inc. | Cowden, North | 1 | 4.95K | 117 | by Jan 1993 – Aug 2000 |
| Shoe Bar O-10-43062 | EXL Petroleum Operating Inc. | Yarbrough & Allen, W. (Devonian) | 1 | 4.94K | 1.16K | Dec 2012 – Aug 2018 |
| Schar -A- O-10-2139 | Baker Operating, Inc. | Goldsmith (Clear Fork) | 4 | 4.92K | 80.6K | by Jan 1993 – Feb 2017 |
| Slator -E- O-10-49712 | Formentera Operations LLC | Goldsmith, W. (San Andres) | 5 | 4.92K | 36.7K | Mar 2018 – Aug 2026 |
| Kloh "B-17" O-10-19828 | Sheridan Production Company, LLC | TXL (San Andres) | 1 | 4.9K | 7.26K | Jan 2009 – Jun 2014 |
| Cowden O-10-17307 | Sundown Energy LP | Donnelly, North (Grayburg) | 2 | 4.9K | 249K | by Jan 1993 – Oct 1999 |
| Connell -C- O-10-3083 | Citation Oil & Gas Corp. | Jordan (Ellenburger) | 2 | 4.83K | 4.29K | by Jan 1993 – May 2008 |
| Cummins, H. E. -A- O-10-27715 | Anadarko Petroleum Corporation | Goldsmith, N. (San Andres, Con.) | 1 | 4.82K | 24.9K | by Jan 1993 – May 1998 |
| Limpia G-10-155467 | Maverick Permian LLC | Andector (McKee) | 1 | 4.81K | 98.1K | Jul 1995 – Dec 1996 |
| Thumper 48-24 S O-10-65200 | Diamondback E&P LLC | Spraberry (Trend Area) | 1 | 4.81K | 6.91K | Aug 2026 – Aug 2026 |
| Slator, J. D. -B- O-10-6994 | Texaco E & P Inc. | TXL (Ellenburger) | 1 | 4.79K | 11K | by Jan 1993 – Feb 1994 |
| Scharbauer -J- O-10-19922 | M & J Energy, Inc. | Goldsmith, N. (San Andres, Con.) | 2 | 4.76K | 23K | by Jan 1993 – Mar 2002 |
| Cummins -T- O-10-20896 | Baker Operating, Inc. | Goldsmith, N. (San Andres, Con.) | 1 | 4.75K | 28 | by Jan 1993 – Sep 2005 |
| Brock, L. E. O-10-31054 | Laguna Petroleum Corporation | Cowden, South (Canyon 8790) | 2 | 4.75K | 2.35K | by Jan 1993 – Nov 1994 |
| Scharbauer -N- O-10-36820 | Saddleback Exploration, LLC | Goldsmith, East (Queen) | 1 | 4.7K | 26.8K | Jul 2001 – Apr 2007 |
| Goldsmith Andector Unit G-10-276995 | Maverick Permian LLC | Goldsmith (Clear Fork) | 1 | 4.7K | 337K | May 2015 – Aug 2026 |
| Cowden, E. F., -A- O-10-14511 | Permian Solutions LLC | Cowden, South | 1 | 4.7K | 50.6K | by Jan 1993 – Jul 2026 |
| Thumper 48-24 D O-10-65199 | Diamondback E&P LLC | Spraberry (Trend Area) | 1 | 4.7K | 4.17K | Aug 2026 – Aug 2026 |
| Midland Farms -AV- O-10-25585 | Apache Corporation | Fasken (Wolfcamp, Lower) | 1 | 4.67K | 8.69K | by Jan 1993 – Mar 1998 |
| Frank -A- O-10-35891 | Conocophillips Company | Loretta (Glorieta) | 1 | 4.66K | 15.3K | Sep 1998 – Sep 2003 |
| Pinnacle O-10-36671 | Southwest Royalties, Inc. | Foster (Clearfork-Baxter) | 1 | 4.65K | 0 | Apr 2001 – Aug 2004 |
| Goldsmith Andector Unit G-10-277008 | Maverick Permian LLC | Goldsmith (Clear Fork) | 1 | 4.63K | 386K | May 2015 – Oct 2023 |
| Shoebar Ranch -B O-10-35123 | Phillips Petroleum Company | Bob (Devonian) | 1 | 4.62K | 4.9K | Nov 1996 – Apr 1997 |
| Harper Devonian Unit G-10-195955 | Hilcorp Energy Company | Harper (Devonian) | 1 | 4.61K | 1.51M | May 2003 – Sep 2025 |
| Cowden, R.B. "AB" O-10-33845 | Amoco Production Company | Goldsmith (5600) | 1 | 4.59K | 3.27K | May 1993 – Feb 1994 |
| Parker Estate O-10-23999 | Remuda Operating Company | TXL (Tubb) | 1 | 4.57K | 63 | by Jan 1993 – May 1998 |
| Shell-Cowden O-10-27536 | Bennett, R. C., Company | Harper | 7 | 4.54K | 3.56K | by Jan 1993 – May 1994 |
| Cowden O-10-35395 | Arco Permian | Venteam, SE. (Ellenburger) | 1 | 4.5K | 1.41K | May 1997 – Feb 1998 |
| Cowden, E.F. "F" O-10-32289 | Raptor Petroleum Develop, LLC | Foster | 1 | 4.49K | 1.17K | by Jan 1993 – Nov 2016 |
| Rant G-10-135210 | Conocophillips Company | Goldsmith, N. (San Andres, Con.) | 1 | 4.48K | 199K | by Jan 1993 – Nov 2009 |
| Cowden H O-10-8479 | Andector Exploration Company | Goldsmith (5600) | 5 | 4.46K | 34.1K | by Jan 1993 – Oct 2006 |
| Connell, W.E. A O-10-58297 | Ctoc Energy, LLC | Penwell (Clear Fork) | 1 | 4.45K | 7.69K | Nov 2022 – Dec 2023 |
| Ector -AO- Fee O-10-17933 | Aghorn Operating, Inc. | Harper | 2 | 4.39K | 0 | Oct 1995 – Jan 2026 |
| Lator O-10-30459 | Wind River Energy, Inc. | TXL (San Andres) | 1 | 4.37K | 24 | by Jan 1993 – Nov 1997 |
| TXL -K- Tract 1 O-10-23991 | Anadarko Petroleum Corporation | TXL (San Andres) | 4 | 4.33K | 38.2K | by Jan 1993 – Sep 1999 |
| Goldsmith-Landreth (Deep) Unit G-10-156318 | Occidental Permian Ltd. | Goldsmith (Clear Fork) | 1 | 4.31K | 754K | Sep 1995 – Sep 2005 |
| Henderson, S. O-10-35653 | Texaco E & P Inc. | Jordan (Wolfcamp) | 1 | 4.3K | 956 | Nov 1997 – Jan 2000 |
| Katherine O-10-42764 | Scout Energy Management LLC | Goldsmith (Clear Fork) | 1 | 4.25K | 13.2K | Jun 2012 – Oct 2019 |
| Stanolind-Henderson O-10-876 | Baker Operating, Inc. | Cowden, South | 2 | 4.24K | 51 | by Jan 1993 – Jun 2005 |
| Phillips-TXL -31- O-10-29587 | Rust Oil Corp. | Mosswell (Strawn 8720) | 1 | 4.24K | 3.5K | by Jan 1993 – Aug 1996 |
| Parker, J. E. O-10-12715 | Richland Resources Corporation | TXL (Tubb) | 1 | 4.23K | 10.4K | by Jan 1993 – May 1998 |
| Cowden, R. B. O-10-37925 | R3 Operating Corporation | Goldsmith (Clear Fork) | 1 | 4.19K | 69.5K | Nov 2006 – Mar 2023 |
| Meteor Crater O-10-50763 | OXY USA WTP LP | Cowden, South (Dev.) | 1 | 4.18K | 10.3K | Oct 2018 – Aug 2025 |
| TXL-X O-10-12158 | Hilcorp Energy Company | Harper | 7 | 4.18K | 124 | by Jan 1993 – Aug 1995 |