| Fred #342-137-31788 | Chi Operating Inc. only | EdwardsEpperson (Canyon Sand) | ActiveGas | 5,764 | May 19, 2005 | 2 | Dec 2025 |
| Epperson #342-137-31785 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 5,603 | Mar 17, 2005 | 2 | Jan 2026 |
| Epperson James E. #242-137-31742 | Devon Energy Production Co L.P. only | EdwardsEpperson (Canyon Sand) | PluggedGas | 4,900 | Dec 21, 2004 | 4 | — |
| Epperson Tom W. #542-137-31741 | Scout Energy Management LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 3,700 | Oct 27, 2004 | 3 | Jan 2026 |
| Fred #242-137-31754 | Chi Operating Inc. only | EdwardsEpperson (Canyon Sand) | ActiveGas | 5,651 | Sep 22, 2004 | 2 | Dec 2025 |
| Epperson Tom W. #442-137-31743 | Scout Energy Management LLC only | EdwardsEpperson (Canyon Sand) | Temporarily abandonedGas | 3,717 | Jun 4, 2004 | 3 | Dec 2024 |
| Fred #142-137-31731 | Chi Operating Inc. only | EdwardsEpperson (Canyon Sand) | ActiveGas | 3,761 | Apr 29, 2004 | 2 | Dec 2025 |
| Epperson 47 #242-137-31732 | Bettis Boyle & Stovall only | EdwardsEpperson (Canyon Sand) | PluggedGas | 3,100 | Apr 23, 2004 | 1 | Jan 2013 |
| McKnight Pooled Unit #142-137-31571 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 3,259 | Oct 27, 2000 | 2 | Jan 2026 |
| Epperson #242-137-31572 | Bettis Boyle & Stovall only | EdwardsEpperson (Canyon Sand) | PluggedGas | 3,100 | Oct 20, 2000 | 1 | Feb 2013 |
| Stewart #242-137-31499 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 3,035 | Jul 21, 2000 | 2 | Jan 2026 |
| Epperson #142-137-31514 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 3,074 | Jul 21, 2000 | 2 | Jan 2026 |
| Epperson 47 #142-137-31537 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 2,694 | Jul 21, 2000 | 2 | Jan 2026 |
| Stewart #342-137-31553 | Mag Exploration LLC only | EdwardsEpperson (Canyon Sand) | Temporarily abandonedGas | 2,941 | May 26, 2000 | 2 | Aug 2020 |
| Epperson Tom #324242-137-31179 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 4,600 | Jul 18, 1994 | 1 | Jan 2026 |
| Epperson Tom #304142-137-31180 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 4,642 | Jul 18, 1994 | 1 | Jan 2026 |
| Epperson James #261942-137-31182 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 3,600 | Jul 18, 1994 | 1 | Jan 2026 |
| Glasscock #442-137-31140 | Grace Petroleum Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 3,743 | Oct 15, 1992 | 1 | Jan 2026 |
| Glasscock #342-137-31139 | Grace Petroleum Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 4,322 | Oct 6, 1992 | 1 | Jan 2026 |
| Epperson Tom W. #342-137-31134 | Scout Energy Management LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 3,612 | Sep 8, 1992 | 1 | Jan 2026 |
| Haby #14042-137-30971 | Lakeshore Operating LLC only | EdwardsRocksprings W. (Canyon) | ActiveGas | 4,450 | Aug 28, 1992 | 3 | Jan 2026 |
| Epperson Tom W. #242-137-31118 | Scout Energy Management LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 3,710 | Feb 18, 1992 | 1 | Jan 2026 |
| Sweeten #480142-137-31001 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 4,500 | Oct 11, 1989 | 1 | Jan 2026 |
| Epperson Tom #204242-137-30975 | Thompson J. Cleo only | EdwardsEpperson (Canyon Sand) | PluggedGas | 3,000 | Dec 17, 1987 | 1 | Oct 2013 |
| Epperson James #182042-137-30973 | Thompson J. Cleo only | EdwardsEpperson (Canyon Sand) | PluggedGas | 5,000 | Dec 10, 1987 | 2 | Sep 2012 |
| Epperson Tom #144242-137-30957 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 4,544 | Jul 31, 1987 | 2 | Jan 2026 |
| Epperson Tom #164142-137-30955 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 4,600 | Jul 20, 1987 | 2 | Jan 2026 |
| Epperson Tom #124142-137-30951 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 4,500 | Jan 6, 1987 | 2 | Jan 2026 |
| Epperson James #111942-137-30942 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 4,000 | Jul 3, 1986 | 1 | Jan 2026 |
| Epperson Tom #702642-137-30934 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 5,000 | Feb 19, 1986 | 1 | Jan 2026 |
| Epperson Tom #804142-137-30935 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 5,000 | Feb 19, 1986 | 1 | Jan 2026 |
| Epperson James #601942-137-30936 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 5,000 | Feb 19, 1986 | 1 | Jan 2026 |
| Epperson James #50442-137-30930 | EOG Resources Inc. only | EdwardsEpperson (Canyon Sand) | PluggedGas | 5,000 | Dec 17, 1985 | 1 | — |
| Epperson Tom #202642-137-30927 | Lakeshore Operating LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 4,591 | Oct 15, 1985 | 1 | Jan 2026 |
| Epperson Tom #404142-137-30928 | EOG Resources Inc. only | EdwardsEpperson (Canyon Sand) | PluggedGas | 5,000 | Oct 15, 1985 | 1 | Sep 2011 |
| Epperson James #101942-137-30925 | Thompson J. Cleo only | EdwardsEpperson (Canyon Sand) | PluggedGas | 5,000 | Oct 10, 1985 | 1 | Dec 2013 |
| Epperson Tom W. #142-137-30812 | Scout Energy Management LLC only | EdwardsEpperson (Canyon Sand) | Temporarily abandonedGas | 3,600 | Mar 1, 1982 | 1 | May 2025 |
| Epperson James E. #142-137-30810 | Scout Energy Management LLC only | EdwardsEpperson (Canyon Sand) | ActiveGas | 4,724 | Feb 22, 1982 | 1 | Jan 2026 |
| Whitworth C. O. #142-137-30811 | Marsh Tom F. Inc. only | EdwardsEpperson (Canyon Sand) | Not on scheduleGas | 4,450 | Feb 22, 1982 | 1 | — |