| Wight -6- Gas Unit G-10-19938 | United Oil & Shale LLC only | Goldsmith, East (Grayburg) | Ector | 1 | 2.44K | 1.25M | Jan 1993 – Feb 2014 |
| TXL -E- O-10-49698 | Aghorn Operating, Inc. only | Goldsmith, W. (San Andres) | Ector | 2 | 2.42K | 5.71K | Mar 2018 – Feb 2026 |
| Ratliff, S. W. 'A' O-10-63907 | Slant Operating, LLC only | Spraberry (Trend Area) | Ector | 1 | 2.41K | 9.33K | May 2025 – Apr 2026 |
| J. E. Parker 20 O-10-41297 | BVX Operating, Inc. only | Monahans Draw (Canyon 8388) | Ector | 1 | 2.41K | 363 | May 2011 – Dec 2011 |
| Foster "P" O-10-22528 | OXY USA Inc. only | Cowden, South (Pennsylvanian) | Ector | 1 | 2.4K | 140K | Jan 1993 – Sep 1996 |
| TXL "K" Tract 1 O-10-24658 | Anadarko Petroleum Corporation only | TXL (Central Waddell) | Ector | 1 | 2.39K | 11.1K | Jan 1993 – Sep 1999 |
| TXL 44 O-10-44855 | Formentera Operations LLC only | TXL (Wichita Albany, South) | Ector | 1 | 2.38K | 9.21K | Dec 2013 – Apr 2020 |
| Scharbauer -K- O-10-20811 | Permian Resources, Inc. only | TXL (Tubb) | Ector | 1 | 2.37K | 21 | Jan 1993 – Jul 1995 |
| TXL O-10-33630 | Denbury Management, Inc. only | York (Grayburg) | Ector | 3 | 2.37K | 2.23K | Jan 1993 – Aug 1993 |
| Cummins -E- O-10-31180 | Chaparral Natural Resources,inc. only | Goldsmith | Ector | 2 | 2.34K | 6.53K | Jan 1993 – Aug 2005 |
| Holt SWD, Bobby O-10-35426 | OXY USA WTP LP only | Triple-N (Penn., Upper) | Ector | 2 | 2.32K | 7.76K | Jun 1997 – Jul 1999 |
| Cowden -G- O-10-31967 | Munn, W. H. Operating Company only | Cowden (Cisco) | Ector | 2 | 2.3K | 9.15K | Jan 1993 – Jul 1994 |
| Embar-B O-10-35562 | Conocophillips Company only | Andector (Grayburg) | Andrews | 2 | 2.3K | 12.2K | Jul 1997 – Oct 2002 |
| Nobles O-10-34741 | Conocophillips Company only | Andector (McKee) | Ector | 1 | 2.27K | 91.1K | Nov 1995 – Sep 2006 |
| Headlee 2920 E O-10-58667 | Diamondback E&P LLC only | Spraberry (Trend Area) | Ector | 1 | 2.26K | 3.3K | Mar 2026 – Apr 2026 |
| Goldsmith Andector Unit G-10-153074 | Conocophillips Company only | Goldsmith (Clear Fork) | Ector | 1 | 2.23K | 463K | Dec 1994 – Jul 2009 |
| Goldsmith Andector Unit G-10-153077 | Conocophillips Company only | Goldsmith (Clear Fork) | Ector | 1 | 2.21K | 578K | Dec 1994 – Nov 2008 |
| Goldsmith Andector Unit G-10-153076 | Conocophillips Company only | Goldsmith (Clear Fork) | Ector | 1 | 2.21K | 1.55M | Dec 1994 – May 2008 |
| Abell O-10-32284 | Maverick Permian LLC only | Andector (McKee) | Ector | 1 | 2.2K | 21.6K | Jan 1993 – May 1994 |
| Fraser, G. C. -F- O-10-40600 | Baker Operating, Inc. only | Goldsmith (Clear Fork) | Ector | 2 | 2.2K | 16.1K | Dec 2006 – Apr 2026 |
| Connell D O-10-37145 | Cross Timbers Energy, LLC only | Metz (Wichita-Albany) | Ector | 1 | 2.15K | 6.23K | Aug 2003 – May 2009 |
| Kloh, A. et al -G- /NCT-D/ O-10-22315 | North Operating Company only | Edwards, West (Canyon) | Ector | 2 | 2.12K | 20.1K | Jan 1993 – Dec 1994 |
| Connell, W. E. O-10-3093 | Rim Operating, Inc. only | Jordan (Fusselman) | Ector | 1 | 2.07K | 2.2K | Jan 1993 – Jul 1997 |
| Frank "A" G-10-59523 | Phillips Petroleum Company only | Goldsmith, N. (San Andres, Con.) | Ector | 1 | 2.07K | 117K | Jan 1993 – May 1999 |
| Wallace "C" G-10-168263 | Lario Oil & Gas Company only | Goldsmith, East (Queen) | Ector | 1 | 2.07K | 482K | Apr 1998 – Aug 2019 |
| Amburgey O-10-32527 | Trend Exploration Company only | TXL (Wolfcamp) | Ector | 1 | 2.05K | 16 | Jan 1993 – May 1994 |
| Harper Devonian Unit G-10-195956 | Hilcorp Energy Company only | Harper (Devonian) | Ector | 1 | 2.05K | 2.02M | May 2003 – Apr 2026 |
| Goldsmith Andector Unit G-10-167592 | Conocophillips Company only | Goldsmith (Clear Fork) | Ector | 1 | 2.03K | 144K | Jan 1998 – Aug 2012 |
| Fasken, David -BJ- O-10-56901 | Fasken Oil and Ranch, Ltd. only | Fasken, South (Wolfcamp) | Ector | 1 | 2.03K | 454 | Nov 2021 – Dec 2023 |
| Midland Farms Company -B- Unit O-10-29964 | Fasken Oil and Ranch, Ltd. only | Fasken (Penn.) | Ector | 2 | 2.03K | 75.6K | Jan 1993 – Jun 2001 |
| Tahoe-Johnson O-10-27420 | Southwest-Operating only | Johnson | Ector | 1 | 2.02K | 13.5K | Jan 1993 – Nov 1999 |
| Thomas -A- O-10-49693 | OXY USA WTP EOR, LLC only | Goldsmith, W. (San Andres) | Ector | 3 | 2K | 0 | Mar 2018 – Nov 2025 |
| Embar O-10-232 | Phillips Petroleum Company only | Andector (McKee) | Ector | 1 | 1.99K | 15.6K | Jan 1993 – Sep 1994 |
| Jessie B O-10-35631 | Black Gold Industries Oprtng LLC only | Goldsmith (Grayburg) | Ector | 2 | 1.97K | 69.6K | Feb 1998 – Oct 2023 |
| TXL O-10-33836 | Baker Operating, Inc. only | TXL (Devonian) | Ector | 1 | 1.96K | 3.24K | Apr 1993 – Jul 1998 |
| Blakeney 32 G-10-58099 | Breck Operating Corp. only | Goldsmith, East (Grayburg) | Ector | 1 | 1.96K | 26.3K | Jan 1993 – Jun 1997 |
| T. X. L. -S- O-10-6914 | Swanson, Tommy Oil Co. only | TXL (Devonian) | Ector | 1 | 1.95K | 2.81K | Jan 1993 – Jun 1999 |
| Father Mulcahy O-10-36579 | Andector Exploration Company only | Mash (Devonian) | Ector | 1 | 1.94K | 0 | Apr 2001 – Feb 2004 |
| Cummins, H. E. 'B' O-10-36032 | Anadarko Petroleum Corporation only | Goldsmith (5600) | Ector | 1 | 1.93K | 3.7K | Jun 1999 – Dec 1999 |
| TXL -43-A O-10-37921 | Endeavor Energy Resources L.P. only | Goldsmith (Clear Fork) | Ector | 1 | 1.92K | 0 | Nov 2006 – Jul 2015 |
| Moss, Paul Estate O-10-34940 | Rust Oil Corp. only | Harper | Ector | 2 | 1.91K | 304 | Aug 1996 – Aug 2013 |
| T X L O-10-49685 | Baker Operating, Inc. only | Goldsmith, W. (San Andres) | Ector | 2 | 1.91K | 0 | Mar 2018 – Apr 2026 |
| Fee-10 O-10-9433 | Acoma Operating, LLC only | Harper | Ector | 1 | 1.89K | 27 | Jan 1993 – Sep 2023 |
| Fasken, David -AM- G-10-175147 | Apache Corporation only | Fasken, South (Wolfcamp) | Ector | 1 | 1.86K | 112K | Mar 1999 – Apr 2000 |
| Holt, O.B. G-10-159682 | Chevron U. S. A. Inc. only | Penteam (Queen) | Ector | 1 | 1.85K | 134K | Jul 1996 – Jun 2003 |
| Goldsmith Andector Unit G-10-153073 | Maverick Permian LLC only | Goldsmith (Clear Fork) | Ector | 1 | 1.83K | 580K | Dec 1994 – Jan 2002 |
| Fraser, G. C. -E- NCT-1 O-10-49697 | Aghorn Operating, Inc. only | Goldsmith, W. (San Andres) | Ector | 1 | 1.82K | 17.6K | Mar 2018 – Feb 2026 |
| Cummins "D" O-10-8547 | Coastal Management Corporation only | Goldsmith, W. (Fusselman) | Ector | 1 | 1.79K | 3.21K | Jan 1993 – Sep 1993 |
| Kloh "B-5" O-10-49700 | Aghorn Operating, Inc. only | Goldsmith, W. (San Andres) | Ector | 4 | 1.79K | 10.6K | Mar 2018 – Feb 2026 |
| Johnson, J. L., Jr., Etal O-10-9208 | Pennant Dev. and Prod., LLC only | Donnelly, North (Grayburg) | Ector | 1 | 1.77K | 19.9K | Jan 1993 – Mar 2013 |