| TXL South Unit O-10-20726 | Formentera Operations LLC only | TXL (Tubb) | Ector | 718 | 21.3M | 42.2M | Jan 1993 – Jul 2026 |
| Waddell TR A O-10-5294 | Blackbeard Operating, LLC only | Sand Hills (Tubb) | Crane | 561 | 18.7M | 79.1M | Jan 1993 – Jul 2026 |
| TXL North Unit O-10-20487 | Formentera Operations LLC only | TXL (Tubb) | Ector | 496 | 13.9M | 40.3M | Jan 1993 – Jul 2026 |
| McKnight, M. B. O-10-33220 | Ring Energy, Inc. only | Sand Hills (Tubb) | Crane | 110 | 6.29M | 26.7M | Jan 1993 – Jul 2026 |
| Tubb 21 U Unit O-10-48850 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 3 | 2.37M | 2.86M | Jan 2017 – Jul 2026 |
| Sand Hills Tubb Unit O-10-20865 | Formentera Operations LLC only | Sand Hills (Tubb) | Crane | 80 | 2.15M | 4.23M | Jan 1993 – Jul 2026 |
| Barnsley Unit O-10-21178 | Extex Operating Company only | Sand Hills (Tubb) | Crane | 47 | 1.45M | 1.22M | Jan 1993 – Jul 2026 |
| Tubb, J. B. a/C 1 O-10-5295 | Formentera Operations LLC only | Sand Hills (Tubb) | Crane | 171 | 1.26M | 18.7M | Jan 1993 – Jul 2026 |
| Tubb, J. B., Etal O-10-19230 | Ring Energy, Inc. only | Sand Hills (Judkins) | Crane | 63 | 1.26M | 13.9M | Jan 1993 – Jul 2026 |
| Tubb, J. B. a/C #1 O-10-5264 | Formentera Operations LLC only | Sand Hills (McKnight) | Crane | 154 | 1.25M | 22.5M | Jan 1993 – Jul 2026 |
| Tubb 21 L Unit O-10-49140 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) R 40 Exc | Midland | 3 | 1.2M | 3.28M | Jun 2017 – Jul 2026 |
| Brown & Thorp Waterflood Unit O-10-32500 | Greenstone Energy, LLC only | Brown & Thorp, East (Tubb) | Pecos | 60 | 1.06M | 59 | Jan 1993 – Jul 2026 |
| Lea, P.J. et AL O-10-8857 | Ring Energy, Inc. only | Lea (Tubb) | Crane | 21 | 860K | 1.66M | Jan 1993 – Feb 2024 |
| Edwards, C. W., et AL O-10-17577 | Pitts Energy Co. only | Janelle, SE. (Tubb) | Ward | 21 | 821K | 6.35M | Jan 1993 – Jul 2026 |
| Stubbs E Unit O-10-58961 | Ovintiv USA Inc. only | Spraberry (Trend Area) | Martin | 3 | 743K | 613K | Dec 2022 – Jul 2026 |
| Edwards, Jno. Etal -B- O-10-32210 | Pitts Energy Co. only | Janelle, SE. (Tubb) | Ward | 7 | 681K | 4.56M | Jan 1993 – Jul 2026 |
| Grand Clearfork Unit O-10-28312 | Greenstone Energy, LLC only | Brown & Thorp, East (Tubb) | Pecos | 39 | 676K | 19 | Jan 1993 – Jul 2026 |
| Martin, Nellie C. O-10-23340 | Sheridan Production Company, LLC only | Martin (Tubb) | Andrews | 19 | 563K | 6.2M | Jan 1993 – Mar 2011 |
| Tubb-Vaughn 21K O-10-58210 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 553K | 753K | Nov 2022 – Jul 2026 |
| Connell, Hattie, et AL O-10-20348 | Ring Energy, Inc. only | C-Bar (Tubb) | Crane | 24 | 541K | 992K | Jan 1993 – Jul 2026 |
| Tubb, J.B. -B- TR-A O-10-29102 | Walsh & Watts, Inc. only | Sand Hills (Judkins) | Crane | 21 | 512K | 6.07M | Jan 1993 – Jul 2026 |
| Lieurance O-10-30517 | Olsen Energy Inc. only | Hamco (Tubb) | Crane | 3 | 502K | 121K | Jan 1993 – Jul 2026 |
| Tubb-State, J. B. O-10-33368 | Blackbeard Operating, LLC only | Sand Hills (Judkins) | Crane | 12 | 498K | 2.65M | Jan 1993 – Jul 2026 |
| Tubb C O-10-49278 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Howard | 1 | 488K | 1.26M | Oct 2016 – Jul 2026 |
| Crawar Field Unit O-10-24345 | Pitts Energy Co. only | Crawar (Tubb) | Ward | 15 | 482K | 3.18M | Jan 1993 – Jul 2026 |
| Tubb, J. B. -B- O-10-5292 | Ring Energy, Inc. only | Sand Hills (Tubb) | Crane | 30 | 464K | 1.46M | Jan 1993 – Jul 2026 |
| Tubb-Vaughn 21J O-10-58191 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 460K | 907K | Nov 2022 – Jul 2026 |
| J. B. Tubb a/C 1 O-10-37740 | Slant Operating, LLC only | Sand Hills (Wichita Albany, S.) | Crane | 5 | 440K | 2.33M | Jan 2006 – Feb 2023 |
| Tubb-Vaughn 21D O-10-58350 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 433K | 820K | Nov 2022 – Jul 2026 |
| Tubb A O-10-42429 | Civitas Permian Operating, LLC only | Spraberry (Trend Area) | Howard | 14 | 426K | 1.54M | Jan 2012 – Jul 2026 |
| Tubb-Vaughn 21O O-10-58305 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 402K | 749K | Nov 2022 – Jul 2026 |
| Waddell TR I O-10-24059 | Blackbeard Operating, LLC only | Sand Hills (Tubb) | Crane | 30 | 349K | 2.41M | Jan 1993 – Jul 2026 |
| Tubb, J. B. -A- O-10-21478 | Ring Energy, Inc. only | Sand Hills (Judkins) | Crane | 23 | 343K | 6.54M | Jan 1993 – Jul 2026 |
| Tubb-Vaughn 21C O-10-58144 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 336K | 985K | Nov 2022 – Jul 2026 |
| Tubb-Vaughn 21G O-10-58299 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 335K | 673K | Oct 2022 – Jul 2026 |
| Tubb-Vaughn 21N O-10-58096 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 335K | 1.25M | Nov 2022 – Jul 2026 |
| Stubby B O-2-12975 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-2) | Atascosa | 1 | 325K | 839K | Apr 2024 – Jul 2026 |
| Tubb 39 O-10-42622 | Surge Operating, LLC only | Spraberry (Trend Area) | Howard | 7 | 325K | 1.32M | Apr 2012 – Jul 2026 |
| Stubby A O-2-12985 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-2) | Atascosa | 1 | 323K | 695K | Apr 2024 – Jul 2026 |
| Thomas, A. E. O-10-32734 | Hilcorp Energy Company only | TXL (Tubb) | Ector | 4 | 316K | 582K | Jan 1993 – Jul 2026 |
| Tubb, J. B. "F" O-10-24214 | Formentera Operations LLC only | Sand Hills (Judkins) | Crane | 17 | 295K | 4.28M | Jan 1993 – Jul 2026 |
| Tubb, J. B. a/C 2 O-10-5296 | Formentera Operations LLC only | Sand Hills (Tubb) | Crane | 24 | 289K | 2.63M | Jan 1993 – Jul 2026 |
| Tubb-Vaughn 21I O-10-58221 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 285K | 713K | Oct 2022 – Jul 2026 |
| Edwards, F. H., et AL O-10-36347 | Pitts Energy Co. only | Crawar, N. (Tubb) | Crane | 4 | 285K | 253K | Jul 2000 – Jul 2026 |
| Stubby C O-2-12898 | Verdun Oil & Gas LLC only | Eagleville (Eagle Ford-2) | Atascosa | 1 | 278K | 737K | Apr 2024 – Jul 2026 |
| Tubb-Vaughn 21E O-10-58158 | Pioneer Natural Res. USA, Inc. only | Spraberry (Trend Area) | Midland | 1 | 272K | 519K | Nov 2022 – Jul 2026 |
| Tubb-State, J.B. O-10-25148 | Blackbeard Operating, LLC only | Sand Hills (McKnight) | Crane | 18 | 267K | 2.1M | Jan 1993 – Jul 2026 |
| Tubb, J. B. -C- O-10-58256 | Formentera Operations LLC only | Sand Hills (Wichita Albany, S.) | Crane | 13 | 266K | 3.15M | Aug 2022 – Jul 2026 |
| Bel Terra A O-10-50208 | Williams Oil Company only | Janelle, SE. (Tubb) | Ward | 7 | 262K | 1.01M | Sep 2017 – Jul 2026 |
| Cowden, G. H. B O-10-38622 | Hilcorp Energy Company only | Cordona Lake, S. (Tubb 4185) | Crane | 7 | 261K | 92.7K | Jan 2008 – Jul 2026 |