| Herbich #1HHZ42-313-30813 | CML Exploration LLC only | MadisonIola (Georgetown) | ActiveOil | 8,830 | Oct 28, 2026 | 3 | Apr 2026 |
| Knotts #1REHZ42-185-30641 | CML Exploration LLC only | GrimesGiddings (Austin Chalk-3) | ActiveGas | 11,906 | Jul 15, 2025 | 4 | Apr 2026 |
| Grant Unit #1HHZ42-185-30506 | Pride Energy Company only | GrimesIola (Georgetown) | Shut inOil | 13,712 | Jan 29, 2014 | 2 | Dec 2016 |
| Holth #1HHZ42-185-30515 | Pride Energy Company only | GrimesMadisonville W. (Woodbine -A-) | Shut inOil | 9,062 | Feb 4, 2011 | 5 | Apr 2026 |
| Zingara #4HZ42-185-30740 | Deep Rock Resources Inc. only | GrimesIola (Georgetown) | Shut inOil | 9,600 | Sep 8, 2009 | 1 | Aug 2013 |
| Pearson Unit #2D42-185-30739 | Guardian Energy Operating Co LLC only | GrimesIola (Georgetown) | Shut inOil | 5,700 | Jul 28, 2009 | 1 | Mar 2023 |
| Pearson Unit #1REHZ42-185-30529 | Guardian Energy Operating Co LLC only | GrimesIola (Georgetown) | Shut inOil | 10,486 | Apr 8, 2009 | 2 | Mar 2023 |
| Zingara #2AHZ42-185-30682 | Deep Rock Resources Inc. only | GrimesIola (Georgetown) | PluggedGas | 16,000 | Sep 28, 2007 | 2 | Dec 2004 |
| Hassler #1HHZ42-185-30443 | Wildfire Energy Operating LLC only | GrimesIola NW (Glenrose-B-) | Temporarily abandonedGas | 15,160 | Oct 20, 2004 | 2 | Jul 2019 |
| Knotts-Yeager Unit #1HZ42-185-30679 | CML Exploration LLC only | GrimesIola (Georgetown) | ActiveOil | 9,435 | Mar 4, 2004 | 2 | Apr 2026 |
| Norwood Unit #1HZ42-185-30489 | Contango Resources Inc. only | GrimesIola (Woodbine) | PluggedOil | 16,000 | Apr 5, 2001 | 2 | Mar 2002 |
| Iola-Yeager Unit #1HHZ42-185-30476 | Atkinson Energy Corporation only | GrimesIola (Georgetown) | PluggedOil | 15,000 | May 19, 2000 | 2 | May 2001 |
| Iola-Accord Unit #1HZ42-185-30504 | Wortham Oil & Gas only | GrimesIola (Dexter) | PluggedGas | 15,000 | Feb 23, 2000 | 4 | Nov 1998 |
| Upchurch -B- #2HZ42-185-30460 | Sandel Operating Company only | GrimesIola (Dexter) | ActiveGas | 14,381 | Jul 16, 1999 | 3 | Apr 2026 |
| Wickson Unit #1HZ42-041-31905 | Patterson Petroleum Inc. only | BrazosIola (Georgetown) | PluggedGas | 15,000 | Jun 4, 1997 | 1 | Apr 2024 |
| Goss Trust #1LHZ42-041-31902 | Westport Oil and Gas Company LP only | BrazosIola (Georgetown) | PluggedOil | 14,100 | May 20, 1997 | 2 | Feb 2005 |
| Samuel #1HHZ42-313-30740 | Williams Clayton Energy Inc. only | MadisonIola (Georgetown) | PluggedOil | 15,000 | Feb 7, 1997 | 1 | Jan 1998 |
| Peters #1HZ42-041-31572 | 7711 Corporation The only | BrazosIola (Georgetown) | PluggedGas | 14,000 | Aug 20, 1996 | 2 | Jan 2011 |
| A. M. Holligan Unit #2HHZ42-041-31376 | Enervest Operating L.L.C. only | BrazosIola (Georgetown) | PluggedGas | 12,500 | Apr 26, 1996 | 5 | Mar 2004 |
| Iola SWD #142-185-30571 | Patterson Petroleum LLC only | GrimesIola (Georgetown) | PluggedGas | 5,500 | Apr 18, 1996 | 1 | — |
| Jake #1HZ42-185-30572 | Patterson Petroleum Inc. only | GrimesIola (Georgetown) | PluggedGas | 14,500 | Apr 18, 1996 | 1 | Mar 2007 |
| Watt DL #1HHZ42-185-30569 | Wildfire Energy Operating LLC only | GrimesIola (Georgetown) | Shut inOil | 13,360 | Apr 4, 1996 | 1 | Jun 2005 |
| Selected Lands Unit #1 #1HZ42-185-30564 | Patterson Petroleum LP only | GrimesIola (Georgetown) | PluggedGas | 15,000 | Mar 13, 1996 | 1 | Aug 2013 |
| Lewis OL #1HHZ42-185-30561 | Pride Energy Company only | GrimesIola (Georgetown) | Temporarily abandonedGas | 11,231 | Feb 15, 1996 | 1 | Jul 2025 |
| Wright Unit #1HZ42-185-30558 | Patterson Petroleum LP only | GrimesIola (Georgetown) | PluggedOil | 14,500 | Jan 24, 1996 | 1 | May 2015 |
| McWhorter Unit #1HHZ42-185-30550 | Pride Energy Company only | GrimesIola (Georgetown) | PluggedOil | 15,500 | Oct 20, 1995 | 1 | Jun 2001 |
| Selected Lands Unit #2 #1HZ42-185-30538 | Evolution Operating Co. Inc. only | GrimesIola (Georgetown) | PluggedOil | 14,500 | Sep 5, 1995 | 1 | Jul 2016 |
| Moran #1HHZ42-185-30539 | Amrwr LLC only | GrimesIola (Georgetown) | Temporarily abandonedGas | 13,126 | Aug 30, 1995 | 1 | Feb 2002 |
| O. B. Bess #1 HHZ42-185-30290 | Wildfire Energy Operating LLC only | GrimesIola (Georgetown) | Shut inOil | 13,652 | Jul 28, 1995 | 3 | Sep 2001 |
| Smoot Unit #1HHZ42-185-30528 | Rosewood Resources Inc. only | GrimesIola (Georgetown) | PluggedOil | 15,500 | Jul 13, 1995 | 1 | Feb 1997 |
| Iola-Blagraves Unit #1HHZ42-185-30519 | CML Exploration LLC only | GrimesIola (Georgetown) | Shut inOil | 12,710 | May 26, 1995 | 1 | Feb 2005 |
| Corley #1HHZ42-185-30521 | Evolution Operating Co. Inc. only | GrimesIola (Georgetown) | PluggedGas | 11,000 | May 26, 1995 | 1 | Sep 2001 |
| McDuffie Unit #1 #1HZ42-185-30433 | CML Exploration LLC only | GrimesIola (Georgetown) | ActiveOil | 12,510 | Apr 7, 1995 | 4 | Apr 2026 |
| Warren Unit #1HHZ42-185-30510 | Rosewood Resources Inc. only | GrimesIola (Georgetown) | PluggedOil | 15,500 | Mar 30, 1995 | 3 | Jan 1999 |
| Howard #1HHZ42-185-30500 | Wildfire Energy Operating LLC only | GrimesIola (Georgetown) | Shut inOil | 15,200 | Jan 31, 1995 | 1 | Jul 1996 |
| Mallett Unit #1 HHZ42-185-30498 | Rosewood Resources Inc. only | GrimesIola (Georgetown) | PluggedOil | 15,500 | Jan 30, 1995 | 1 | Mar 1999 |
| Robert #1HHZ42-185-30499 | Waylander LLC only | GrimesIola (Georgetown) | Temporarily abandonedGas | 14,003 | Jan 27, 1995 | 2 | Jan 2016 |
| Ozelle Davis Unit #1HHZ42-185-30221 | CML Exploration LLC only | GrimesIola (Georgetown) | PluggedOil | 16,500 | Dec 30, 1994 | 4 | Oct 2020 |
| Gressett a #1HHZ42-185-30434 | Sandel Operating Company only | GrimesIola (Georgetown) | Shut inOil | 14,500 | Dec 14, 1994 | 5 | Oct 1996 |
| Hassler Unit SWD #242-185-30469 | Wildfire Energy Operating LLC only | GrimesIola (Georgetown) | Shut inOil | 5,674 | Oct 3, 1994 | 1 | — |
| Brunner Unit #1HHZ42-185-30467 | Rosewood Resources Inc. only | GrimesIola (Georgetown) | PluggedOil | 14,800 | Sep 16, 1994 | 2 | Mar 1999 |
| Bell Harry #1HHZ42-185-30465 | Crimson Exploration Oper. Inc. only | GrimesIola (Georgetown) | PluggedOil | 15,463 | Sep 1, 1994 | 2 | Oct 1999 |
| Harrison-Thompson Unit #1HZ42-185-30436 | Union Pacific Resources Company only | GrimesIola (Georgetown) | PluggedOil | 11,900 | Jun 18, 1993 | 2 | Feb 1994 |
| Upchurch #1 HHZ42-185-30427 | Pride Energy Company only | GrimesIola (Georgetown) | PluggedGas | 10,395 | Dec 12, 1991 | 4 | May 2002 |
| Cobb Unit 7 #142-041-31092 | D.J. Oilfield Salvage Inc. only | BrazosIola (Georgetown) | PluggedGas | 10,290 | Sep 28, 1984 | 2 | — |
| Akers J. #142-185-30351 | Great Western Onshore Inc. only | GrimesIola (Georgetown) | PluggedOil | 11,000 | Jun 25, 1984 | 1 | — |
| McWhorter G. S. #142-185-30287 | Texas Southern Resources Inc. only | GrimesIola (Georgetown) | PluggedOil | 11,400 | Jan 18, 1984 | 4 | Feb 1997 |
| Selected Lands 18 Unit 1 #142-185-30294 | Dalbosco Donald C. only | GrimesIola (Georgetown) | PluggedGas | 10,200 | Dec 13, 1982 | 2 | — |
| Scamardo Unit #142-185-30234 | Sandel Operating Company only | GrimesIola (Georgetown) | PluggedOil | 9,840 | Mar 16, 1982 | 2 | Apr 2001 |
| Turner Unit #142-185-30260 | Cashco Oil Company only | GrimesIola (Georgetown) | PluggedGas | 10,500 | Jan 14, 1982 | 2 | — |