| Lindley, H. A. O-10-19436 | Synergy Oil & Gas, Inc. (A) only | Tunstill, East (Delaware) | Loving | 3 | 9.36K | 89.3K | by Jan 1993 – Jan 2001 |
| Mangy Mule O-10-38774 | Seaboard Operating Co. only | Quito (Delaware Sand) | Ward | 1 | 9.34K | 15.1K | Apr 2008 – Apr 2015 |
| Lizzy O-10-42479 | Jagged Peak Energy LLC only | Sixty-Nine (Delaware) | Pecos | 1 | 9.27K | 40.5K | Sep 2011 – Dec 2015 |
| Reeves "AA" O-10-34165 | RE-OP Corp. only | Sabre (Delaware) | Reeves | 3 | 9.25K | 90 | Apr 1994 – Nov 2002 |
| TXL "17" O-10-33699 | Finley Resources, Inc. only | Olds (Delaware) | Reeves | 2 | 9.21K | 45 | by Jan 1993 – Sep 2013 |
| Dickson A O-10-42217 | Petex only | Dimmitt (Delaware Cons) | Loving | 1 | 9.19K | 17.5K | Oct 2012 – Jun 2026 |
| Warthog O-10-44670 | Seaboard Operating Co. only | Quito, South (Olds Delaware) | Ward | 2 | 8.99K | 17.1K | Nov 2013 – Apr 2015 |
| Cleveland, R. et Al G-10-21076 | Pitts Energy Co. only | Worsham (Delaware) | Reeves | 1 | 8.99K | 197K | by Jan 1993 – Aug 2015 |
| Shell-Dulaney O-10-18730 | Triple "N" Services, Inc. only | Waha, West (Delaware) | Reeves | 2 | 8.96K | 101 | by Jan 1993 – May 2001 |
| Mosley - Dryden "A" O-4-12622 | Collins & Ware, Inc. only | Stratton (Consolidated) | Nueces | 1 | 8.87K | 42.6K | Nov 1996 – Feb 1999 |
| Whaley 1 G-6-220341 | Brookston Energy, Inc. only | Ware (Cotton Valley) | Harrison | 1 | 8.81K | 760K | Sep 2005 – Feb 2026 |
| Zeek, L. W., et Al G-10-21091 | TS Oil, LLC only | Worsham (Delaware) | Reeves | 1 | 8.79K | 1.09M | by Jan 1993 – Oct 2025 |
| State of Texas -FT- O-10-25514 | Hanson Corporation only | Racue (Delaware) | Reeves | 1 | 8.78K | 35 | by Jan 1993 – Jun 2000 |
| Burrell "C" O-13-25673 | Jones, L. E. Operating, Inc. only | Delaware Bend, North (Handy) | Cooke | 1 | 8.68K | 9.34K | by Jan 1993 – Dec 2018 |
| Strain, C. H. G-10-134402 | CH4 Energy Six, LLC only | Waha (Delaware) | Reeves | 1 | 8.66K | 346K | by Jan 1993 – Feb 2018 |
| Reeves -AX- Fee O-10-21611 | Crescent Energy Operating, LLC only | Kennedy-Faulkner, S. (Delaware) | Reeves | 1 | 8.56K | 12.1K | by Jan 1993 – Jul 2019 |
| Martin Heirs G-6-202080 | Valence Operating Company only | Ware (Cotton Valley) | Harrison | 1 | 8.54K | 788K | Apr 2004 – Jun 2020 |
| Prewit, Billie O-10-17343 | Apv McCamey LLC only | Eitherway (Delaware) | Culberson | 2 | 8.52K | 5.13K | Mar 1993 – Feb 2018 |
| Wood GU 1 G-6-162517 | Brookston Energy, Inc. only | Ware (Cotton Valley) | Harrison | 1 | 8.46K | 820K | Feb 1997 – Jul 2026 |
| Harris, Dr. G-6-164471 | Brookston Energy, Inc. only | Ware (Cotton Valley) | Harrison | 1 | 8.42K | 732K | Aug 1997 – Jun 2026 |
| Whaley 1 G-6-134171 | Brookston Energy, Inc. only | Ware (Cotton Valley) | Harrison | 1 | 8.37K | 781K | by Jan 1993 – Jul 2026 |
| McKenzie State Unit O-10-38827 | Tema Oil and Gas Company only | Coyanosa, N. (Delaware) | Pecos | 1 | 8.37K | 18.9K | Jul 2008 – Aug 2016 |
| Gaskill O-10-45076 | Great Western Drilling Company only | Twofreds (Delaware, Lower) | Loving | 2 | 8.29K | 25.4K | Mar 2014 – Jun 2020 |
| Slash -S- O-10-38272 | Armor Petroleum, Inc. only | Dimmitt (Delaware Cons) | Loving | 1 | 8.28K | 13K | Jul 2007 – Jul 2013 |
| Hondo O-10-38206 | Last Mile Production, LLC only | Dimmitt (Delaware Cons) | Loving | 1 | 8.27K | 18.7K | Jul 2007 – May 2015 |
| Johnson, W. D. -A- O-10-35386 | Johnson, Tom E. only | Dimmit, Northeast (Delaware SD) | Loving | 1 | 8.25K | 9.42K | May 1997 – Jun 2007 |
| Dcrc-Sec. 3B O-4-12392 | Collins & Ware, Inc. only | Moca (Sand 1, Seg. 5) | Webb | 1 | 8.25K | 71.3K | Jul 1994 – Jan 1996 |
| Galley Winter O-10-37181 | Robertson Resources, Inc. only | Waha, W. (Consolidated Delaware) | Reeves | 1 | 8.24K | 49.3K | Jun 2003 – Feb 2010 |
| Ware Gas Unit -A- G-6-92389 | Mmgl East Texas III, LLC only | Blocker (Cotton Valley) | Harrison | 1 | 8.21K | 1.26M | by Jan 1993 – Aug 2026 |
| Cleveland, R. G-10-131145 | Chevron U. S. A. Inc. only | Waha (Delaware) | Reeves | 1 | 8.18K | 239K | by Jan 1993 – Mar 1995 |
| Phillips 66 3A O-10-33149 | RE-OP Corp. only | Ken Regan (Delaware) | Reeves | 1 | 8.17K | 5.54K | by Jan 1993 – Sep 2001 |
| Ware O-13-32184 | D L Operating only | KRS (Marble Falls) | Jack | 1 | 8.05K | 94.4K | May 2012 – Aug 2026 |
| Cox G-6-227449 | Brookston Energy, Inc. only | Ware (Cotton Valley) | Harrison | 1 | 8.04K | 732K | Nov 2006 – Aug 2026 |
| Hodge, J. H. "A" G-10-21007 | N & B Oil and Gas LLC only | Waha (Delaware) | Reeves | 1 | 7.89K | 1.23M | by Jan 1993 – Aug 2026 |
| Ugly Hog O-10-37857 | Seaboard Operating Co. only | Horned Toad (Delaware) | Ward | 1 | 7.89K | 83.7K | Aug 2006 – May 2023 |
| Echols O-10-10472 | Endeavor Energy Resources L.P. only | Regan-Edwards (Delaware, Upper) | Ward | 2 | 7.84K | 93 | by Jan 1993 – May 2005 |
| Etta Louise O-10-29544 | Perimeter Resource Company only | Jess Burner (Delaware 3800) | Reeves | 4 | 7.82K | 44.1K | by Jan 1993 – Feb 2006 |
| Hodge, J. H. G-10-21008 | Ice Brothers, Inc. only | Waha (Delaware) | Pecos | 1 | 7.7K | 1.1M | by Jan 1993 – Jun 2006 |
| Loving -F- Fee O-10-13804 | United Oil & Shale LLC only | Grice (Delaware) | Loving | 3 | 7.7K | 10 | Dec 1993 – Apr 2018 |
| Ware Gas Unit -A- G-6-142330 | BP America Production Company only | Blocker (Cotton Valley) | Harrison | 1 | 7.69K | 855K | by Jan 1993 – May 2010 |
| Price "46" O-10-42718 | OXY USA Inc. only | Collie (Delaware) | Ward | 1 | 7.68K | 41.4K | Jan 2012 – May 2016 |
| Kearney, Martin O-10-20440 | Pennant Dev. and Prod., LLC only | Worsham (Delaware Sand) | Reeves | 2 | 7.66K | 20 | by Jan 1993 – Aug 2026 |
| Hooker "46" O-10-42738 | Jetta Operating Company, Inc. only | Collie (Delaware) | Ward | 1 | 7.64K | 90.9K | Sep 2011 – Jan 2022 |
| Armstrong O-10-27254 | Sledge Bros. Oil Co. only | Ken Regan (Delaware) | Reeves | 1 | 7.58K | 45.8K | by Jan 1993 – Jan 2007 |
| State of Texas -FW- O-10-32326 | Jetta Operating Company, Inc. only | Block 17, Southeast (Delaware) | Ward | 1 | 7.55K | 50.6K | by Jan 1993 – May 2004 |
| Huckabee O-10-34208 | Manzano Oil Corporation only | Jess Burner (Delaware 3800) | Reeves | 1 | 7.52K | 3 | Jun 1994 – Jan 1997 |
| Whaley 1 G-6-227438 | Comstock Oil & Gas, LP only | Ware (Cotton Valley) | Harrison | 1 | 7.51K | 613K | Sep 2006 – Nov 2016 |
| Johnson, H. H. O-10-36287 | Callon (Permian) LLC only | MI Vida (Delaware 4400) | Reeves | 1 | 7.49K | 171K | Jan 2000 – Dec 2019 |
| Scott, F. H. State "A" O-10-34892 | Pitts Energy Co. only | Scott (Delaware Gas) | Ward | 1 | 7.42K | 98.4K | Mar 1996 – Feb 2002 |
| Pate O-10-43485 | OXY USA Inc. only | Collie (Delaware) | Ward | 1 | 7.37K | 52.3K | Feb 2012 – Aug 2016 |