| Lockwood & Sharp -A- O-3-4116 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 62 | 4.14M | 4.19M | by Jan 1993 – Aug 2026 |
| Harper Unit O-2-9508 | EOG Resources, Inc. only | Eagleville (Eagle Ford-2) | Karnes | 23 | 4.08M | 9.09M | Dec 2010 – Aug 2026 |
| East Harper Unit O-10-19904 | Aghorn Operating, Inc. only | Harper | Ector | 266 | 2.96M | 843K | by Jan 1993 – Jun 2026 |
| Harper Devonian Unit O-10-20609 | Hilcorp Energy Company only | Harper (Devonian) | Ector | 42 | 2.33M | 16M | by Jan 1993 – Aug 2026 |
| Lockwood & Sharp -B- O-3-4118 | P.o.&g. Operating, LLC only | Thompson | Fort Bend | 52 | 1.85M | 1.5M | by Jan 1993 – Aug 2026 |
| VLT Sharps Unit O-10-54187 | Chevron U. S. A. Inc. only | Spraberry (Trend Area) | Martin | 3 | 1.55M | 2.28M | Jul 2020 – Aug 2026 |
| Jay Harpole O-1-15850 | Javelin Energy Partners Mgmt LLC only | Briscoe Ranch (Eagleford) | Frio | 9 | 1.33M | 1.24M | Apr 2012 – Aug 2026 |
| Ector Fee Unit II O-10-21673 | Formentera Operations LLC only | Harper (Ellenburger) | Ector | 3 | 728K | 736K | by Jan 1993 – Aug 2026 |
| Ira, N. E. O-11-67931 | Sharp Image Energy, Inc. only | Tri-Rue (Reef) | Scurry | 1 | 674K | 437K | Mar 1998 – Aug 2026 |
| Moss -E- O-10-17665 | Hilcorp Energy Company only | Harper (Ellenburger) | Ector | 7 | 604K | 601K | by Jan 1993 – Aug 2026 |
| Moss O-10-2470 | Walsh & Watts, Inc. only | Harper | Ector | 27 | 604K | 238K | by Jan 1993 – Aug 2026 |
| Cowden -13- O-10-31983 | Aghorn Operating, Inc. only | Harper (Glorieta) | Ector | 9 | 603K | 210K | by Jan 1993 – Jun 2026 |
| Harper, H. O-6-12912 | Linder, John Operating Co., LLC only | AD-AM (Paluxy) | Wood | 1 | 541K | 117 | by Jan 1993 – Aug 2026 |
| Harper, R. H. & L. O-6-1635 | IV Standard, LLC only | Talco | Titus | 5 | 501K | 32 | by Jan 1993 – Aug 2026 |
| TXL -A- O-10-2472 | Walsh & Watts, Inc. only | Harper | Ector | 11 | 478K | 98.9K | by Jan 1993 – Aug 2026 |
| Sharp O-13-28853 | Dimock Operating Company only | Spot's Knob (Chappel) | Hardeman | 1 | 476K | 20.4K | Aug 1994 – Aug 2026 |
| Parker -D- O-10-2471 | Walsh & Watts, Inc. only | Harper | Ector | 17 | 454K | 252K | by Jan 1993 – Aug 2026 |
| Harper A O-9-18201 | Discovery Natural Resources LLC only | Lin (Wolfcamp) | Irion | 4 | 406K | 2.1M | Apr 2013 – Jul 2026 |
| Cowden -12- O-10-32108 | Aghorn Operating, Inc. only | Harper (Glorieta) | Ector | 10 | 380K | 164K | by Jan 1993 – Jun 2026 |
| TXL -WW- O-10-17917 | Burleson Petroleum, Inc. only | Harper (Ellenburger) | Ector | 1 | 368K | 316K | by Jan 1993 – Aug 2026 |
| Moss O-10-17240 | Aghorn Operating, Inc. only | Harper (Ellenburger) | Ector | 4 | 358K | 425K | by Jan 1993 – Jun 2026 |
| Double Mountain 37 O-11-69302 | Sharp Image Energy, Inc. only | Spires | Kent | 1 | 347K | 49K | Jul 2008 – Aug 2026 |
| Harper 1-12 O-10-49339 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 340K | 1.19M | Jul 2017 – Aug 2026 |
| Sharp O-6-15848 | Rose City Resources, LLC only | Whelan (Pettit) | Marion | 2 | 331K | 236K | Jul 2021 – Aug 2026 |
| North Tonto A O-11-68861 | Sharp Image Energy, Inc. only | Early (Strawn Lime) | Scurry | 1 | 321K | 641 | Jan 2006 – Aug 2026 |
| Fraser, Geo. C. O-10-18018 | Burleson Petroleum, Inc. only | Harper (Ellenburger) | Ector | 2 | 311K | 167K | by Jan 1993 – Aug 2026 |
| Sharp Nose State O-10-52472 | COG Operating LLC only | Phantom (Wolfcamp) | Loving | 2 | 308K | 479K | Mar 2019 – Aug 2026 |
| Brown O-8-30935 | Scout Energy Management LLC only | Harp (Strawn) | Nolan | 5 | 297K | 147K | Apr 2012 – Aug 2026 |
| Harper Unit O-1-18535 | Verdun Oil EF II LLC only | Eagleville (Eagle Ford-1) | La Salle | 2 | 290K | 909K | Aug 2015 – Aug 2026 |
| Neely 129 O-11-68272 | Sharp Image Energy, Inc. only | Gill (Penn. Reef 6900) | Scurry | 2 | 270K | 249K | Nov 2000 – Jul 2023 |
| Coltharp O-14-8676 | Sanguine Gas Exploration, LLC only | Mills Ranch (Granite Wash Cons.) | Wheeler | 3 | 266K | 1.34M | Dec 2011 – Aug 2026 |
| Harper '1-12' O-10-49482 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 262K | 929K | Jul 2017 – Aug 2026 |
| TXL O-10-9280 | Burleson Petroleum, Inc. only | Harper | Ector | 5 | 254K | 125K | by Jan 1993 – Aug 2026 |
| Harper Unit O-2-9379 | EOG Resources, Inc. only | Eagleville (Eagle Ford) | Karnes | 9 | 251K | 297K | Jan 2010 – Nov 2010 |
| Five Resources 39 O-11-70541 | Sharp Image Energy, Inc. only | S.N.B. (Cisco) | Kent | 1 | 221K | 0 | Jan 2017 – Aug 2026 |
| Tmbr/Sharp Butler O-10-31322 | Ctoc Energy, LLC only | Glasco (Ellenburger) | Andrews | 2 | 214K | 49.7K | by Jan 1993 – Aug 2026 |
| Cowden Ranch -6- O-10-32731 | Rust Oil Corp. only | Harper (Glorieta) | Ector | 1 | 198K | 23K | by Jan 1993 – Aug 2026 |
| Wright -14- O-10-32230 | Aghorn Operating, Inc. only | Harper (Glorieta) | Ector | 2 | 197K | 28.6K | by Jan 1993 – Jun 2026 |
| Bighorn O-11-68497 | Sharp Image Energy, Inc. only | Diamond -M- (Canyon Lime Area) | Scurry | 1 | 193K | 115K | Oct 2002 – Aug 2026 |
| Tonto North 443 D O-11-69277 | Sharp Image Energy, Inc. only | Tonto, N. (Strawn) | Scurry | 1 | 182K | 20 | Apr 2008 – Aug 2026 |
| Lockwood & Sharp -A- O-3-23075 | Jetta Operating Company, Inc. only | Thompson (Miocene 10 Seg 4) | Fort Bend | 1 | 181K | 51.2K | Sep 1996 – Oct 2003 |
| Parker, J. E. O-10-8549 | Shinnery Oil Company, Inc. only | Harper | Ector | 9 | 177K | 68.6K | by Jan 1993 – Aug 2026 |
| Double Mountain 56 B O-11-69763 | Sharp Image Energy, Inc. only | Double Mountain (Canyon Sand) | Kent | 1 | 171K | 0 | Sep 2011 – Aug 2026 |
| Fraser, George C. "B" O-10-36214 | Burleson Petroleum, Inc. only | Harper (Strawn) | Ector | 1 | 171K | 282K | Mar 2000 – Aug 2026 |
| Coltharp O-14-8506 | Mustang Fuel Corporation only | Mills Ranch (Granite Wash Cons.) | Wheeler | 1 | 170K | 1.17M | Dec 2011 – Aug 2026 |
| Parker, J. E. O-10-2443 | Acoma Operating, LLC only | Harper | Ector | 22 | 167K | 132K | by Jan 1993 – Aug 2026 |
| Ector Fee Unit O-10-34363 | Aghorn Operating, Inc. only | Harper (Fusselman) | Ector | 1 | 166K | 242K | Dec 1994 – Jun 2026 |
| Five Resources 24 O-11-70323 | Sharp Image Energy, Inc. only | S.N.B. (Cisco) | Kent | 1 | 164K | 0 | Mar 2015 – Aug 2026 |
| Moss O-10-17241 | Aghorn Operating, Inc. only | Harper (Strawn) | Ector | 4 | 163K | 151K | by Jan 1993 – Jun 2026 |
| Cooper Creek #1 O-11-69103 | Sharp Image Energy, Inc. only | Cooper Creek (Strawn "C") | Kent | 1 | 161K | 38.3K | Jul 2007 – Aug 2026 |