| Parker O-10-27704 | Pen-Tex Production Co. Inc. only | Harper | Ector | 5 | 105K | 149K | Jan 1993 – Apr 2026 |
| Fee "AU" O-10-38914 | Fasken Oil and Ranch, Ltd. only | Spraberry (Trend Area) | Ector | 2 | 105K | 222K | Aug 2008 – Apr 2026 |
| Midland Farms -AJ- O-10-25660 | Fasken Oil and Ranch, Ltd. only | Fasken (Wolfcamp, North) | Ector | 2 | 105K | 199K | Jan 1993 – Dec 2023 |
| Longbotham, Cora "B" O-10-22498 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 1 | 105K | 113K | Jan 1993 – Feb 2026 |
| Edwards 31 O-10-48245 | Adventure Operating Company, LLC only | Bourland (San Andres) | Ector | 2 | 105K | 57.2K | Oct 2016 – Sep 2018 |
| TXL -G- O-10-13074 | Endeavor Energy Resources L.P. only | TXL (San Andres) | Ector | 3 | 105K | 323K | Jan 1993 – Oct 2017 |
| Limpia O-10-47399 | Maverick Permian LLC only | Andector (Wichita Albany) | Ector | 2 | 105K | 244K | Feb 2016 – Apr 2026 |
| TXL O-10-8306 | Libertad Operating LLC only | Double -H- (Grayburg) | Ector | 3 | 105K | 48.4K | Jan 1993 – Mar 2026 |
| Fortune 500 O-10-33583 | Phillips Petroleum Company only | Cowden (Strawn) | Ector | 1 | 104K | 65.7K | Jan 1993 – Dec 1995 |
| University -D- O-10-4862 | Citation Oil & Gas Corp. only | Penwell (Clear Fork) | Ector | 4 | 104K | 108K | Jan 1993 – Apr 2026 |
| Ector -E- Fee /NCT-2/ O-10-16998 | Formentera Operations LLC only | Harper | Ector | 6 | 104K | 62.4K | Jan 1993 – Apr 2026 |
| TXL -D- O-10-8248 | Formentera Operations LLC only | Andector, West (Devonian) | Ector | 1 | 103K | 183K | Jan 1993 – Apr 2026 |
| Moss, Paul "D" O-10-23771 | Sheridan Production Company, LLC only | Cowden, South (Canyon 8790) | Ector | 3 | 103K | 29.3K | Jan 1993 – Feb 2012 |
| Toad O-10-32060 | Texland Petroleum, L.P. only | Cowden, North | Ector | 8 | 103K | 55.6K | Jan 1993 – Apr 2026 |
| Cowden, E. F. -a- - -B- O-10-2453 | Aghorn Operating, Inc. only | Harper | Ector | 17 | 103K | 36.4K | Jan 1993 – Feb 2026 |
| TXL O-10-2460 | Walsh & Watts, Inc. only | Harper | Ector | 5 | 103K | 2.23K | Jan 1993 – Apr 2026 |
| JF Cowden 07X06 O-10-60079 | Maverick Permian LLC only | Andector (Wichita Albany) | Ector | 1 | 103K | 397K | Feb 2023 – Apr 2026 |
| Johnson, J.L. "O" O-10-30807 | OXY USA Inc. only | Cowden, North (Canyon) | Ector | 5 | 103K | 19.9K | Jan 1993 – Apr 2026 |
| Wheeler, R. A., -F- O-10-15471 | Formentera Operations LLC only | Wheeler (Wolfcamp) | Ector | 2 | 103K | 1.13M | Jan 1993 – Feb 2022 |
| Holt, O. B. O-10-20962 | Texland Petroleum, L.P. only | Cowden, North (Deep) | Ector | 1 | 102K | 12.3K | Jan 1993 – Apr 2026 |
| Moss, Paul '34' O-10-2452 | Aghorn Operating, Inc. only | Harper | Ector | 14 | 102K | 1.44K | Jan 1993 – Feb 2026 |
| TXL #2 O-10-25557 | Highmark Energy Operating, LLC only | Cowden, North (Deep) | Ector | 2 | 102K | 65.3K | Jan 1993 – Apr 2026 |
| Martin, T. J. O-10-20343 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 3 | 102K | 37K | Jan 1993 – Mar 2012 |
| Henderson, W. B. "C" O-10-23284 | Henderson, Bryan, Co. only | Cowden, South (Canyon 8790) | Ector | 2 | 102K | 53.8K | Jan 1993 – Apr 2008 |
| Kloh C-21 O-10-2247 | Aghorn Operating, Inc. only | Goldsmith, W. (Ellenburger) | Ector | 3 | 101K | 79.9K | Jan 1993 – Feb 2026 |
| Ratliff JGA3 O-10-64592 | COG Operating LLC only | Emma (Barnett Shale) | Ector | 1 | 101K | 312K | Dec 2025 – Apr 2026 |
| Midland Farms O-10-716 | Aghorn Operating, Inc. only | Cowden, North | Ector | 13 | 100K | 70.6K | Jan 1993 – Sep 2019 |
| Jessica O-10-43539 | SMC Oil & Gas, Inc. only | Mash (Devonian) | Ector | 2 | 100K | 454K | Nov 2012 – Apr 2026 |
| Ector -E- Fee NCT-2 O-10-17723 | Formentera Operations LLC only | Harper (Ellenburger) | Ector | 2 | 100K | 107K | Dec 1996 – Sep 2015 |
| Parker Minerals 4 O-10-40301 | Crescent Energy Operating, LLC only | Goldsmith (Clear Fork) | Ector | 4 | 100K | 179K | Jun 2010 – Apr 2026 |
| Foster /I/ O-10-22277 | Occidental Permian Ltd. only | Cowden, South (Canyon 8790) | Ector | 2 | 100K | 79.9K | Jan 1993 – Apr 2026 |
| Barrow, Augusta O-10-16516 | Formentera Operations LLC only | Headlee, N. (Devonian) | Ector | 11 | 99.7K | 937K | Jan 1993 – Apr 2026 |
| Shoe Bar "D" O-10-32285 | Maralo, Inc. only | King Lake (Ellenburger) | Ector | 1 | 99.3K | 45.8K | Jan 1993 – May 1998 |
| JF Cowden 18 O-10-60050 | Maverick Permian LLC only | Andector (Wichita Albany) | Ector | 1 | 98K | 215K | Feb 2023 – Apr 2026 |
| Cowden -I- O-10-14728 | Aghorn Operating, Inc. only | Foster | Ector | 7 | 97.8K | 339K | Jan 1993 – Feb 2026 |
| Cowden, Frank R/a "E" O-10-26813 | Occidental Permian Ltd. only | Cowden, N. (Strawn) | Andrews | 4 | 97.7K | 164K | Jan 1993 – Apr 2026 |
| Sallie W. Ratliff O-10-47051 | Slant Operating, LLC only | Spraberry (Trend Area) | Ector | 2 | 97.4K | 417K | Jun 2015 – Apr 2026 |
| Cowden W.E. -B- O-10-24398 | Aghorn Operating, Inc. only | Cowden, South (Canyon 8790) | Ector | 2 | 97.3K | 205K | Jan 1993 – Feb 2026 |
| TXL -G- O-10-16060 | Formentera Operations LLC only | Lawson (San Andres) | Ector | 2 | 97K | 312K | Jan 1993 – Nov 2021 |
| Slator -B- O-10-15546 | Formentera Operations LLC only | TXL (Devonian) | Ector | 3 | 96.9K | 521K | Jan 1993 – Feb 2020 |
| Anderson, C. H. C. O-10-8613 | Laguna Petroleum EOR, LLC only | Yarbrough & Allen (Devonian) | Ector | 4 | 96.9K | 47.6K | Jan 1993 – Apr 2026 |
| Foster, H. S., -B- O-10-16912 | OXY USA Inc. only | Cowden, South | Ector | 6 | 96.7K | 16.8K | Jan 1993 – Nov 2025 |
| Cowden "A",w.f. O-10-28470 | Occidental Permian Ltd. only | Cowden, North | Ector | 5 | 95.8K | 20.4K | Jan 1993 – Apr 2026 |
| Johnson,j.l."h" O-10-23228 | OXY USA Inc. only | Johnson (Holt) | Ector | 3 | 94.9K | 40.7K | Jan 1993 – Apr 2026 |
| McDonald, Ida O-10-14948 | Cross Timbers Energy, LLC only | Jordan (Wichita Albany) | Ector | 3 | 94.9K | 129K | Aug 2006 – Apr 2026 |
| Clark O-10-41932 | Permian Resources Operating, LLC only | Spraberry (Trend Area) | Ector | 2 | 94.4K | 251K | Dec 2011 – Apr 2026 |
| Foster -E- O-10-22430 | OXY USA WTP LP only | Cowden, South (Pennsylvanian) | Ector | 2 | 94.4K | 778K | Jan 1993 – Jan 2024 |
| Cowden, R.B. O-10-21916 | Rein Pusher Operating LLC only | Goldsmith, N. (San Andres, Con.) | Ector | 4 | 94.3K | 305K | Jan 1993 – Apr 2026 |
| Cowden Ranch 656 (Cisco)unit O-10-36439 | Rust Oil Corp. only | Cowden (Cisco) | Ector | 5 | 94.1K | 301K | Sep 2000 – Jul 2018 |
| McEntire O-10-28901 | Maverick Permian LLC only | Goldsmith, N. (San Andres, Con.) | Ector | 4 | 94.1K | 1.95M | Jan 1993 – Apr 2026 |