| Ramsey G. E. -34- #142-109-31748 | Ring Energy Inc. only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 6,000 | Jan 6, 2012 | 2 | Feb 2020 |
| Culberson -AA- Fee #142-109-31462 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 4,100 | Aug 11, 2010 | 2 | Dec 2019 |
| Catclaw State Waterflood #10A42-109-31680 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 3,600 | Aug 2, 2010 | 2 | Apr 2026 |
| Culberson -X- Fee #1142-109-32334 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 3,900 | Jun 10, 2010 | 1 | Apr 2026 |
| Culberson -X- Fee #1542-109-32331 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 4,200 | Jun 9, 2010 | 2 | Apr 2026 |
| Catclaw State Waterflood #14A42-109-32335 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 4,207 | Jun 9, 2010 | 2 | Apr 2026 |
| Catclaw State Waterflood #16A42-109-32337 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 3,700 | Jun 9, 2010 | 1 | Apr 2026 |
| Ramsey -44- #1242-109-32206 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 3,531 | Feb 27, 2001 | 1 | Mar 2026 |
| Ramsey -44- #1342-109-32207 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 3,509 | Feb 27, 2001 | 1 | Mar 2026 |
| Ramsey -44- #1442-109-32208 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 3,500 | Feb 27, 2001 | 1 | Mar 2026 |
| Culberson AB Fee #142-109-31552 | Storm Peak Energy LLC only | CulbersonGeraldine (Ford) | PluggedOil | 4,200 | Aug 1, 1994 | 2 | Jul 1996 |
| Culberson Fee 45 #142-109-32184 | Manzano Oil Corporation only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 7,200 | Jun 1, 1993 | 1 | Feb 1995 |
| Reeves 47 #142-389-32036 | Linop Corporation only | ReevesGeraldine (Delaware 3400) | PluggedOil | 3,500 | Dec 11, 1992 | 1 | Dec 2000 |
| Reeves 47 #242-389-32037 | Linop Corporation only | ReevesGeraldine (Delaware 3400) | PluggedOil | 3,500 | Dec 11, 1992 | 1 | Dec 2000 |
| Ramsey -44- #1142-109-31675 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 4,100 | Mar 15, 1983 | 1 | Mar 2026 |
| Culberson -X- Fee #1042-109-31674 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 3,457 | Feb 22, 1983 | 1 | Apr 2026 |
| Fraser George 5 #342-109-31669 | Laguna Petroleum Corporation only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 4,100 | Feb 2, 1983 | 1 | Feb 1998 |
| Ramsey -44- #1042-109-31666 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 4,100 | Nov 19, 1982 | 1 | Mar 2026 |
| Ramsey -44- #642-109-31665 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | ActiveInjection | 4,100 | Nov 17, 1982 | 1 | Mar 2026 |
| Culberson AB Fee #242-109-31664 | Storm Peak Energy LLC only | CulbersonGeraldine (Delaware 3400) | PluggedGas | 3,467 | Nov 10, 1982 | 1 | — |
| Ramsey -44- #842-109-31661 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | ActiveInjection | 4,100 | Oct 29, 1982 | 1 | Mar 2026 |
| Ramsey -44- #942-109-31662 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 4,200 | Oct 29, 1982 | 1 | Mar 2026 |
| Ramsey -44- #742-109-31663 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 4,100 | Oct 29, 1982 | 1 | Mar 2026 |
| Ramsey -44- #542-109-31657 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 4,200 | Oct 5, 1982 | 1 | Mar 2026 |
| Ramsey -44- #442-109-31658 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 4,100 | Oct 5, 1982 | 1 | Mar 2026 |
| Ramsey -44- #142-109-31644 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 4,100 | Sep 1, 1982 | 1 | Mar 2026 |
| Ramsey -44- #242-109-31645 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 4,100 | Sep 1, 1982 | 1 | Mar 2026 |
| Ramsey -44- #342-109-31646 | Afoc LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 4,100 | Sep 1, 1982 | 1 | Mar 2026 |
| Hyland #242-109-31642 | Orla Petco Inc. only | CulbersonGeraldine (Delaware 3400) | PluggedGas | 3,500 | Aug 31, 1982 | 1 | — |
| Culberson -X- Fee #942-109-31636 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 5,000 | Jul 29, 1982 | 1 | Apr 2026 |
| Cox #142-109-31637 | Cox Oil & Gas Inc. only | CulbersonGeraldine (Delaware 3400) | PluggedGas | 3,600 | Jul 29, 1982 | 1 | — |
| Catclaw State Waterflood #12 A42-109-31638 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | ActiveInjection | 4,096 | Jul 29, 1982 | 1 | Apr 2026 |
| Culberson -X- Fee #842-109-31634 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 3,461 | Jul 23, 1982 | 1 | Apr 2026 |
| Culberson -AC- Fee #342-109-31625 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 3,600 | May 18, 1982 | 1 | Mar 2020 |
| Culberson -X- Fee #742-109-31627 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 3,461 | May 18, 1982 | 1 | Apr 2026 |
| Culberson -X- Fee #642-109-31628 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 3,473 | May 18, 1982 | 1 | Apr 2026 |
| Culberson -X- Fee #542-109-31623 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 3,600 | May 13, 1982 | 1 | Apr 2026 |
| Culberson -AC- Fee #142-109-31577 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 3,650 | Apr 13, 1982 | 1 | Mar 2020 |
| Culberson -AC- Fee #242-109-31578 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 3,650 | Apr 13, 1982 | 1 | Mar 2020 |
| Catclaw State Waterflood #11 A42-109-31574 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 4,050 | Apr 5, 1982 | 1 | Apr 2026 |
| Culberson -X- Fee #442-109-31569 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 3,650 | Mar 19, 1982 | 1 | Apr 2026 |
| Culberson -X- Fee #342-109-31570 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | ActiveOil | 3,822 | Mar 19, 1982 | 1 | Apr 2026 |
| Fraser George 5 #242-109-31572 | Laguna Petroleum Corporation only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 4,100 | Mar 19, 1982 | 1 | Feb 1998 |
| Catclaw State Waterflood #3 A42-109-31565 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | ActiveInjection | 3,600 | Feb 25, 1982 | 1 | Apr 2026 |
| Catclaw State Waterflood #4 A42-109-31566 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 3,600 | Feb 25, 1982 | 1 | Apr 2026 |
| Catclaw State Waterflood #5 A42-109-31567 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 3,603 | Feb 25, 1982 | 1 | Apr 2026 |
| Catclaw State Waterflood #6 A42-109-31568 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | PluggedOil | 4,100 | Feb 25, 1982 | 1 | Apr 2026 |
| Catclaw State Waterflood #9 A42-109-31558 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 3,942 | Jan 28, 1982 | 1 | Apr 2026 |
| Hyland #142-109-31554 | Shenandoah Petroleum Corporation only | CulbersonGeraldine (Delaware 3400) | PluggedGas | 4,100 | Dec 31, 1981 | 1 | Oct 2000 |
| Catclaw State Waterflood #1 A42-109-31555 | Echo Energy Partners LLC only | CulbersonGeraldine (Delaware 3400) | Shut inOil | 3,900 | Dec 31, 1981 | 1 | Apr 2026 |