| Parks Bell 41 O-10-45710 | COG Operating LLC | Spraberry (Trend Area) | 1 | 8.62K | 14K | Feb 2015 – Jun 2018 |
| TXL O-10-15100 | Saguaro Petroleum, LLC | Cowden, North | 3 | 8.5K | 34K | by Jan 1993 – Dec 2025 |
| Opie A O-10-44488 | Diamondback E&P LLC | Sallie Ann (Spraberry-Wolfcamp) | 1 | 8.47K | 51.5K | Feb 2014 – Aug 2026 |
| Ector Fee Unit O-10-19819 | Gilliam's Aghorn Energy | Harper, SE. (Ellen.) | 2 | 8.38K | 20K | by Jan 1993 – Jan 1995 |
| Thomas, A. E. -B- O-10-15633 | Double Barrel Oil LLC | Wheeler (Wolfcamp) | 2 | 8.38K | 22.1K | Feb 1993 – Aug 2026 |
| T X L -O- O-10-50076 | Baker Operating, Inc. | Goldsmith, W. (San Andres) | 3 | 8.32K | 16.8K | Apr 2018 – Aug 2026 |
| TXL -D- O-10-49686 | Baker Operating, Inc. | Goldsmith, W. (San Andres) | 1 | 8.28K | 19.4K | Mar 2018 – Aug 2026 |
| Cummins -C- O-10-31179 | Baker Operating, Inc. | Goldsmith | 2 | 8.27K | 2.39K | by Jan 1993 – Aug 2026 |
| Ector -AI- Fee O-10-17024 | Aghorn Operating, Inc. | Goldsmith (5600) | 2 | 8.26K | 0 | Aug 2001 – Oct 2006 |
| Cummins J O-10-34846 | OXY USA WTP LP | Goldsmith, W. (Wolfcamp) | 1 | 8.16K | 14.7K | Jan 1996 – Sep 1997 |
| TXL-K-Tract 2 O-10-25260 | Anadarko Petroleum Corporation | TXL (Devonian) | 1 | 8.16K | 28.5K | by Jan 1993 – May 1999 |
| Cowden "19" O-10-31579 | Rust Oil Corp. | Cowden (Cisco) | 1 | 8.16K | 21 | by Jan 1993 – Feb 2019 |
| Connell, W. E.-Tract -C- O-10-3086 | Devon Energy Corporation(nevada) | Jordan (Ellenburger) | 1 | 8.16K | 29 | by Jan 1993 – Feb 1998 |
| Johnson, J. L. O-10-17759 | Sundown Energy LP | Donnelly, North (Grayburg) | 4 | 8.15K | 29.1K | by Jan 1993 – Nov 2002 |
| Slator, J. D. -B- O-10-11648 | Aghorn Operating, Inc. | TXL (San Andres) | 2 | 8.09K | 45.9K | by Jan 1993 – Feb 2018 |
| Holt, O.B. Jr., Etal O-10-36850 | Chevron Midcontinent, L.P. | Cowden, North | 1 | 8.08K | 1.64K | Sep 2001 – Mar 2007 |
| Fraser, G. C. -F- O-10-13772 | Baker Operating, Inc. | Goldsmith, W. (San Andres) | 3 | 8.07K | 0 | Mar 2019 – Aug 2026 |
| Parker O-10-20612 | Sheridan Production Company, LLC | Harper | 3 | 8.06K | 4.37K | by Jan 1993 – Oct 2010 |
| Susie O-10-37975 | Jay Management Company, LLC | Goldsmith (Clear Fork) | 1 | 8.06K | 9.01K | Nov 2006 – Aug 2026 |
| Cochran, W. C. O-10-36647 | Texland Petroleum, L.P. | Cowden, North (Wichita-Albany) | 1 | 8.04K | 1.26K | Aug 2001 – Jan 2017 |
| Parker, J. E. -C- O-10-18953 | Baker Operating, Inc. | TXL (San Andres) | 2 | 8.01K | 15.8K | by Jan 1993 – Apr 2013 |
| Connell Mgmt B O-10-55346 | Ring Energy, Inc. | Jordan (Wichita Albany) | 1 | 7.94K | 0 | Dec 2020 – Nov 2021 |
| Nelson O-10-20728 | Brown, H. L., Jr. | Bob (Penn.) | 2 | 7.84K | 144K | by Jan 1993 – Jun 1998 |
| Argo-Moss O-10-10044 | Aghorn Operating, Inc. | Harper | 12 | 7.81K | 1.41K | by Jan 1993 – Apr 2023 |
| Parker "T" O-10-35015 | Seaboard Oil Company | Monahans Draw (Canyon 8388) | 1 | 7.81K | 0 | Apr 1996 – Jun 2000 |
| Cowden -32- O-10-31457 | Prime Operating Company | Cowden (Cisco) | 2 | 7.8K | 1.95K | by Jan 1993 – Jul 1999 |
| Eidson "C" O-10-23114 | Diamondback E&P LLC | Penwell | 1 | 7.8K | 21 | by Jan 1993 – Jan 2023 |
| Cummins U O-10-28917 | Baker Operating, Inc. | Goldsmith, W. (San Andres) | 1 | 7.69K | 51.6K | by Jan 1993 – Aug 2026 |
| Ector -AP- Fee O-10-17974 | Garner's Well Service LLC | Harper | 6 | 7.59K | 55 | by Jan 1993 – Oct 2012 |
| Parker, J. E. O-10-9448 | Bright & Co. | Goldsmith (5600) | 1 | 7.57K | 19.7K | by Jan 1993 – Oct 2006 |
| Cross -C- O-10-47660 | OXY USA WTP LP | Cowden, South | 1 | 7.5K | 6.29K | Feb 2016 – Aug 2026 |
| Cowden F O-10-46133 | Andector Exploration Company | Goldsmith | 1 | 7.5K | 2.89K | Oct 2011 – May 2018 |
| Susie O-10-14461 | Phoenix Hydrocarbons Operating | Goldsmith (5600) | 1 | 7.41K | 15.8K | by Jan 1993 – Oct 2006 |
| Carlinville National Bank O-10-8093 | Three-B Oil Company, The | Yarbrough & Allen (Wolfcamp) | 1 | 7.35K | 21 | by Jan 1993 – Apr 2015 |
| Hawkeye A O-10-36231 | OXY USA WTP LP | G & W (Devonian) | 1 | 7.34K | 22.5K | Jan 2000 – Jun 2002 |
| Parker Trust "11" O-10-34909 | Sandridge Expl. and Prod., LLC | Monahans Draw (Canyon 8388) | 1 | 7.25K | 153 | Apr 1996 – Mar 2008 |
| Douglass Parker O-10-41873 | Sheridan Production Company, LLC | Monahans Draw (Canyon 8388) | 1 | 7.11K | 10.2K | Nov 2011 – Mar 2014 |
| Connell Estate C O-10-55838 | Cross Timbers Energy, LLC | Jordan, S. (Devonian) | 1 | 7.05K | 12.5K | Mar 2021 – Mar 2022 |
| TXL "L" a/C 2 O-10-49726 | Formentera Operations LLC | Goldsmith, W. (San Andres) | 3 | 7.02K | 48.6K | Mar 2018 – Aug 2026 |
| Blakeney, B. H. -A- O-10-21424 | Endeavor Energy Resources L.P. | Goldsmith, E. (Grayburg, N.) | 2 | 6.95K | 39.2K | by Jan 1993 – Oct 2001 |
| TXL -E- O-10-49721 | Formentera Operations LLC | Goldsmith, W. (San Andres) | 4 | 6.93K | 43.3K | Mar 2018 – Aug 2026 |
| Henderson -A- O-10-874 | Satanta Oil Company | Cowden, South | 2 | 6.86K | 1.02K | by Jan 1993 – Aug 2026 |
| Cowden G O-10-28931 | Magruder, Edwin H., Jr. | Goldsmith (5600) | 1 | 6.82K | 46.4K | by Jan 1993 – Oct 2006 |
| Abigail O-10-44186 | Scout Energy Management LLC | Goldsmith (Clear Fork) | 2 | 6.81K | 17.1K | Jun 2013 – Apr 2018 |
| Johnson "F-1" O-10-30348 | Arco Permian | Cowden, North (Canyon) | 1 | 6.81K | 3.82K | by Jan 1993 – Nov 1994 |
| Connell, W.E. NCT-5 O-10-64238 | Ctoc Energy, LLC | Jordan (Fusselman) | 1 | 6.7K | 13.1K | Sep 2025 – Aug 2026 |
| Thomas -A- O-10-49720 | Formentera Operations LLC | Goldsmith, W. (San Andres) | 2 | 6.66K | 51.9K | Mar 2018 – Aug 2026 |
| Edwards-Brown O-10-13545 | Baker Operating, Inc. | Double -H- (Grayburg) | 2 | 6.63K | 46 | by Jan 1993 – Aug 2026 |
| Ratliff -E- O-10-33023 | Pronghorn Management Corporation | Headlee (Bend) | 1 | 6.62K | 93 | Mar 1993 – Jul 2012 |
| Midland Farms -AJ- O-10-9162 | Apache Corporation | Fasken (Penn.) | 3 | 6.53K | 16.4K | by Jan 1993 – Jan 1997 |