| Sealy & Smith Unit #2842-495-34640 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | ActiveOil | 5,908 | Sep 22, 2021 | 2 | Apr 2026 |
| Sealy & Smith Unit #2942-495-34641 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | ActiveOil | 5,909 | Sep 22, 2021 | 2 | Apr 2026 |
| Sealy & Smith Unit #3042-495-34642 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | ActiveOil | 5,924 | Sep 22, 2021 | 2 | Apr 2026 |
| Hill M. J. Mrs. #3642-495-31249 | Hilcorp Energy Company only | WinklerHalley (Clear Fork) | ActiveGas | 8,500 | Jun 17, 2019 | 4 | Apr 2026 |
| Hill M. J. Mrs. a/C #1 #742-495-03878 | Hilcorp Energy Company only | WinklerHalley (Clear Fork) | Shut inOil | 10,489 | Jan 15, 2019 | 2 | Jan 2025 |
| Sealy & Smith Foundation -a- 2 #142-495-05681 | R2Q Operating LLC only | WinklerHalley (Clear Fork) | Shut inOil | 12,379 | Jun 27, 2018 | 1 | Apr 2026 |
| Smith Sealy -B- #442-495-04357 | Southern Operating LLC only | WinklerHalley South (Queen Sand) | Shut inOil | 10,470 | Aug 26, 2016 | 3 | Apr 2026 |
| Sealy Smith B #142-495-04351 | Southern Operating LLC only | WinklerWolf (Wolfcamp) | ActiveOil | 11,593 | Aug 23, 2016 | 3 | Apr 2026 |
| Hill M. J. a/C #4 #38 U42-495-31568 | Hilcorp Energy Company only | WinklerHalley (Glorieta) | PluggedOil | 5,500 | Jun 22, 2012 | 4 | Apr 2025 |
| Pan AM B Hill Mitchell TR 2 #742-495-31248 | XTO Energy Inc. only | WinklerHalley West (McKee) | PluggedGas | 12,100 | Dec 18, 2003 | 4 | Mar 2011 |
| Mitchell a #142-495-30516 | Ruckus Energy Operating LLC only | WinklerG. P. M. (Penn. S.) | Shut inOil | 8,900 | Jan 18, 2001 | 4 | May 2021 |
| Sealy & Smith Unit #642-495-04479 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | ActiveOil | 10,410 | Aug 24, 2000 | 1 | Apr 2026 |
| Sealy & Smith Unit #7X42-495-31134 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | ActiveOil | 9,880 | Jun 9, 2000 | 2 | Apr 2026 |
| Sealy & Smith Unit #1542-495-04477 | Basin Oil & Gas Operating LLC only | WinklerHalley South (Queen Sand) | ActiveOil | 5,500 | Jun 2, 2000 | 2 | Apr 2026 |
| Sealy & Smith Unit #1142-495-04472 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | ActiveOil | 10,056 | Aug 10, 1995 | 1 | Apr 2026 |
| Mitchell G. P. -B- #1542-495-31605 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | ActiveOil | 5,374 | Sep 5, 1991 | 3 | Apr 2026 |
| Hill M. J. -23- #2742-495-30266 | Basin Oil & Gas Operating LLC only | WinklerHalley South (Queen Sand) | PluggedOil | 5,450 | May 17, 1991 | 4 | Apr 2026 |
| Hill M. J. -23-a- #3142-495-31302 | Shell Western E&P only | WinklerHalley South (Queen Sand) | PluggedOil | 5,400 | Apr 15, 1991 | 3 | Dec 2004 |
| Sealy & Smith Unit #2042-495-31931 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | ActiveOil | 5,700 | Apr 4, 1991 | 2 | Apr 2026 |
| Sealy & Smith Foundation -a- 4&5 #342-495-05678 | R2Q Operating LLC only | WinklerHalley South (Queen Sand) | PluggedOil | 3,500 | Jan 25, 1990 | 2 | Apr 2026 |
| Sealy & Smith Unit #442-495-04468 | Basin Oil & Gas Operating LLC only | WinklerHalley South (Queen Sand) | PluggedOil | 5,500 | Jan 21, 1986 | 1 | Apr 2026 |
| Hill M. J. Mrs. a/C #7 #4042-495-31702 | Hilcorp Energy Company only | WinklerHalley (Glorieta) | PluggedOil | 5,590 | May 7, 1984 | 2 | Apr 2026 |
| Pan Am. -B- Hill-Mitchell Tr. 2 #8 L42-495-31738 | Hilcorp Energy Company only | WinklerHalley (Clear Fork) | Shut inOil | 5,580 | Mar 23, 1984 | 1 | Apr 2026 |
| Hill Mrs. M. J. a/C #6 #3542-495-31154 | Hilcorp Energy Company only | WinklerHalley (Clear Fork) | ActiveOil | 5,390 | Oct 6, 1983 | 2 | Apr 2026 |
| Hill M. J. Mrs. a/C #7 #14 U42-495-00270 | Hilcorp Energy Company only | WinklerHalley (Glorieta) | ActiveOil | 10,031 | Sep 26, 1983 | 3 | Nov 2025 |
| Mitchell G. P. -B- #542-495-03372 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | PluggedOil | 5,880 | Jun 22, 1983 | 1 | Apr 2026 |
| Hill M. J. a/C #4 #39 U42-495-31577 | Hilcorp Energy Company only | WinklerHalley (Glorieta) | Shut inOil | 5,412 | Apr 18, 1983 | 2 | Apr 2025 |
| M.J. Hill a/C #3 #37 L42-495-31398 | Hilcorp Energy Company only | WinklerHalley (Clear Fork) | PluggedOil | 8,500 | Apr 13, 1983 | 3 | Aug 2024 |
| Mitchell -21- #242-495-31392 | U S Energy Corp. of Amer. Inc. only | WinklerHalley (Clear Fork) | PluggedOil | 9,000 | Oct 4, 1982 | 2 | Jun 2020 |
| Hill M. J. -23- #2942-495-31303 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | ActiveOil | 5,520 | Dec 31, 1980 | 1 | Apr 2026 |
| Hill M. J. Mrs. a/C #1 #2242-495-00264 | Hilcorp Energy Company only | WinklerHalley (Clear Fork) | ActiveOil | 5,490 | — | 0 | — |
| M.J. Hill a/C #3 #2142-495-00265 | Hilcorp Energy Company only | WinklerHalley (Clear Fork) | Shut inOil | 5,325 | — | 0 | — |
| Hill M. J. Mrs. #242-495-03393 | Hilcorp Energy Company only | WinklerHalley (Clear Fork) | ActiveOil | 5,470 | — | 0 | — |
| Sealy & Smith Unit #942-495-04467 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | Shut inOil | 5,505 | — | 0 | — |
| Sealy & Smith Unit #1342-495-04474 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | PluggedOil | — | — | 0 | — |
| West 22 Unit #342-495-05252 | XTO Energy Inc. only | WinklerHalley (Devonian) | PluggedGas | — | — | 0 | — |
| Sealy & Smith Foundation -a- 2 #242-495-05677 | R2Q Operating LLC only | WinklerHalley (Clear Fork) | ActiveOil | 5,450 | — | 0 | — |
| Hill M. J. Mrs. a/C #1 #2342-495-06200 | Hilcorp Energy Company only | WinklerHalley (Clear Fork) | PluggedOil | — | — | 0 | — |
| Mitchell G. P. -B- #1342-495-10245 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | ActiveOil | 5,245 | — | 0 | — |
| Hill M. J. -22- #23 U42-495-10403 | Basin Oil & Gas Operating LLC only | WinklerHalley South (Queen Sand) | PluggedOil | — | — | 0 | — |
| Mitchell G. P. -B- #1442-495-10736 | Basin Oil & Gas Operating LLC only | WinklerHalley (Clear Fork) | Not on scheduleOil | — | — | 0 | — |