| Olson Unit #42242-105-37683 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,479 | Apr 29, 1997 | 1 | Apr 2026 |
| Noelke 20 #142-105-37685 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,536 | Apr 29, 1997 | 1 | Apr 2026 |
| Olson Unit #42142-105-37520 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,509 | Jan 3, 1997 | 1 | Apr 2026 |
| Olson Unit #42042-105-37521 | Aspen Operating Company L.L.C. | CrockettOlson | PluggedOil | 2,500 | Jan 3, 1997 | 1 | Apr 2026 |
| Shannon Estate #1842-105-37469 | Aspen Operating Company L.L.C. | CrockettOlson (Soma) | Temporarily abandonedGas | 1,458 | Nov 26, 1996 | 1 | Apr 2008 |
| Olson Unit #120842-105-37408 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,480 | Sep 25, 1996 | 1 | Apr 2026 |
| Olson Unit #41842-105-37353 | Aspen Operating Company L.L.C. | CrockettOlson | ActiveOil | 2,445 | Jul 18, 1996 | 1 | Apr 2026 |
| Olson Unit #604HZ42-105-02219 | Aspen Operating Company L.L.C. | CrockettOlson | PluggedOil | 2,400 | Jul 10, 1996 | 1 | Apr 2026 |
| Olson Unit #1501HZ42-105-02242 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 6,270 | Jul 10, 1996 | 1 | Apr 2026 |
| Olson Unit #1506HZ42-105-02260 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 3,854 | Jul 10, 1996 | 1 | Apr 2026 |
| Shannon Estate #1742-105-37233 | Aspen Operating Company L.L.C. | CrockettOlson (Soma) | Temporarily abandonedGas | 1,512 | Mar 22, 1996 | 1 | Feb 2022 |
| Olson Unit #41642-105-31562 | Aspen Operating Company L.L.C. | CrockettOlson | ActiveOil | 7,090 | Jan 17, 1996 | 3 | Apr 2026 |
| Shannon M. A. Est. -O- #842-105-02289 | Aspen Operating Company L.L.C. | CrockettOlson | PluggedOil | 2,046 | Jul 19, 1995 | 1 | Dec 2014 |
| Shannon Estate -M-2- #1442-105-02299 | Aspen Operating Company L.L.C. | CrockettOlson | PluggedOil | 2,143 | Jul 19, 1995 | 1 | Dec 2014 |
| Olson Unit #90142-105-02176 | Aspen Operating Company L.L.C. | CrockettOlson | PluggedOil | 2,000 | Jun 20, 1994 | 1 | Apr 2026 |
| Olson Unit #60342-105-02216 | Aspen Operating Company L.L.C. | CrockettOlson | PluggedOil | 2,000 | Jun 20, 1994 | 1 | Apr 2026 |
| Shannon Estate -M-1- #1042-105-02292 | Aspen Operating Company L.L.C. | CrockettOlson | PluggedOil | 2,000 | Jun 20, 1994 | 1 | Dec 2014 |
| Hoover A. C. O #1642-105-30545 | Aspen Operating Company L.L.C. | CrockettOlson (Yates) | Temporarily abandonedGas | 2,175 | Jun 20, 1994 | 2 | Apr 2026 |
| Shannon Estate #M216R42-105-35979 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,285 | Jun 20, 1994 | 2 | Apr 2026 |
| Noelke Livestock Co. M #1442-105-02238 | Aspen Operating Company L.L.C. | CrockettOlson (Soma) | Temporarily abandonedGas | 2,264 | Jun 8, 1994 | 1 | Apr 2026 |
| Noelke Livestock Co. M #742-105-02224 | Aspen Operating Company L.L.C. | CrockettOlson (Soma) | Temporarily abandonedGas | 2,236 | Apr 29, 1994 | 1 | Apr 2026 |
| Olson Unit #408HZ42-105-02226 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,127 | Apr 29, 1994 | 1 | Apr 2026 |
| Olson Unit #909HZ42-105-35144 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,300 | Apr 29, 1994 | 2 | Apr 2026 |
| Olson Unit #120742-105-36284 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,250 | Dec 14, 1992 | 1 | Apr 2026 |
| Shannon Estate #M212R42-105-35952 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,300 | May 20, 1991 | 1 | Apr 2026 |
| Olson Unit #1206HZ42-105-35918 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 4,516 | Nov 21, 1990 | 1 | Apr 2026 |
| Shannon Estate #03042-105-35704 | Aspen Operating Company L.L.C. | CrockettOlson | ActiveInjection | 2,550 | Oct 27, 1989 | 1 | Apr 2026 |
| Shannon Estate #01842-105-02308 | Aspen Operating Company L.L.C. | CrockettOlson | ActiveInjection | 2,564 | Jul 20, 1988 | 1 | Apr 2026 |
| Leftwick E. (Cons. Congl.) Unit #70142-497-33304 | Aspen Operating Company L.L.C. | WiseMorris (Consolidated Congl.) | PluggedOil | 5,700 | May 25, 1988 | 2 | Jul 2014 |
| Shannon Estate #02942-105-35512 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,317 | Apr 20, 1988 | 1 | Apr 2026 |
| Shannon Estate #02742-105-35450 | Aspen Operating Company L.L.C. | CrockettOlson | ActiveOil | 2,314 | Oct 15, 1987 | 1 | Apr 2026 |
| Shannon Estate #02642-105-35448 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,309 | Oct 14, 1987 | 1 | Apr 2026 |
| Olson Unit #41542-105-35211 | Aspen Operating Company L.L.C. | CrockettOlson | Temporarily abandonedGas | 2,400 | Dec 23, 1985 | 1 | Apr 2026 |
| Olson Unit #91042-105-35172 | Aspen Operating Company L.L.C. | CrockettOlson | ActiveOil | 2,400 | Nov 19, 1985 | 1 | Apr 2026 |
| Shannon Estate W #542-105-00462 | Aspen Operating Company L.L.C. | CrockettOlson | PluggedOil | 2,446 | Apr 4, 1984 | 1 | — |
| Leftwick E. (Cons. Congl.) Unit #1WS42-497-32709 | Aspen Operating Company L.L.C. | WiseMorris (Consolidated Congl.) | PluggedOil | 2,200 | Jan 10, 1984 | 1 | Jul 2014 |
| Shannon Estate #02542-105-34709 | Aspen Operating Company L.L.C. | CrockettOlson | ActiveInjection | 2,600 | Dec 15, 1983 | 1 | Apr 2026 |
| Shannon Estate #w 642-105-34628 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,125 | Nov 4, 1983 | 2 | Apr 2026 |
| Fayette Yates #1242-237-35644 | Aspen Operating Company L.L.C. | JackBoonsville (Caddo Congl. N.) | PluggedOil | 5,800 | Nov 1, 1983 | 1 | Mar 2004 |
| White G. R. #142-371-32949 | Aspen Operating Company L.L.C. | PecosSheffield Northwest (Canyon) | PluggedGas | 7,922 | Mar 4, 1982 | 2 | Apr 2003 |
| Leitner #142-497-32245 | Aspen Operating Company L.L.C. | WiseAlvord South (Atoka) | PluggedGas | 6,200 | Sep 1, 1981 | 1 | Nov 2016 |
| Loving J. W. Estate #1042-237-33610 | Aspen Operating Company L.L.C. | JackJermyn West (Caddo-MF) | PluggedGas | 5,200 | Feb 18, 1981 | 1 | Aug 2023 |
| Shannon Estate #1642-105-32887 | Aspen Operating Company L.L.C. | CrockettOlson | ActiveInjection | 7,500 | May 12, 1980 | 1 | Apr 2026 |
| Cherryhomes Roy -F- #942-237-32405 | Aspen Operating Company L.L.C. | JackRoy (Conglomerate) | PluggedOil | 6,600 | Oct 18, 1978 | 1 | Mar 2000 |
| First Natl. Bk. of Jacksboro B #142-237-32167 | Aspen Operating Company L.L.C. | JackSouthwestern (Caddo Reef) | PluggedGas | 5,200 | Feb 16, 1978 | 1 | Aug 2005 |
| Shannon Estate #w 142-105-01229 | Aspen Operating Company L.L.C. | CrockettOlson | Shut inOil | 2,047 | — | 0 | — |
| Shannon Estate #w 242-105-01230 | Aspen Operating Company L.L.C. | CrockettOlson | PluggedOil | — | — | 0 | — |
| Shannon Estate #w 342-105-01231 | Aspen Operating Company L.L.C. | CrockettOlson | Temporarily abandonedOil | 2,100 | — | 0 | — |
| Shannon Estate #w 442-105-01232 | Aspen Operating Company L.L.C. | CrockettOlson | PluggedOil | — | — | 0 | — |
| Shannon M. A. Est. -O- #242-105-02098 | Aspen Operating Company L.L.C. | CrockettOlson | PluggedOil | — | — | 0 | — |