| Mayer #8A42-435-38301 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,372 | Jan 29, 2007 | 1 | Apr 2026 |
| Mayer #18A42-435-38302 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,330 | Jan 29, 2007 | 1 | Apr 2026 |
| Mayer #11A42-435-38073 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,482 | Aug 9, 2006 | 1 | Apr 2026 |
| Mayer #6A42-435-38074 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,319 | Aug 9, 2006 | 1 | Apr 2026 |
| Mayer #12A42-435-38075 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,536 | Jul 18, 2006 | 1 | Apr 2026 |
| Mayer #9A42-435-37830 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 8,252 | Feb 6, 2006 | 1 | Apr 2026 |
| Mayer #10A42-435-37813 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,470 | Jan 26, 2006 | 1 | Nov 2019 |
| Mayer #7A42-435-37787 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,385 | Jan 9, 2006 | 1 | Apr 2026 |
| Mayer #4A42-435-37767 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 8,200 | Dec 15, 2005 | 1 | Apr 2026 |
| Mayer #5A42-435-37768 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 8,259 | Dec 15, 2005 | 1 | Apr 2026 |
| Mayer Ranch #1442-413-31636 | Zachry Oil and Gas Properties only | SchleicherMayer Ranch (Canyon) | ActiveGas | 8,354 | May 3, 1996 | 2 | Apr 2026 |
| Mayer Ranch #1942-435-33441 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | PluggedGas | 8,700 | Oct 21, 1988 | 3 | May 1996 |
| Mayer Ranch #1842-435-33422 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 8,300 | Jun 24, 1988 | 2 | Apr 2026 |
| Mayer Ranch #1742-413-31637 | Zachry Oil and Gas Properties only | SchleicherMayer Ranch (Canyon) | ActiveGas | 8,312 | Aug 11, 1987 | 2 | Apr 2026 |
| Mayer Ranch #1542-435-33364 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 8,310 | Aug 11, 1987 | 3 | Apr 2026 |
| Mayer Ranch #1342-435-33355 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 8,228 | Jul 24, 1987 | 2 | Apr 2026 |
| Mayer Ranch DDD #8542-435-33292 | Smith Pipe of Abilene only | SuttonMayer Ranch (Canyon) | PluggedGas | 8,300 | May 19, 1987 | 2 | Dec 1995 |
| Mayer Ranch Eee #9742-435-33293 | Upp Operating LLC only | SuttonMayer Ranch (Canyon) | ActiveGas | 8,426 | Apr 24, 1986 | 2 | Apr 2026 |
| Mayer Ranch Q #1542-435-33287 | Upp Operating LLC only | SuttonMayer Ranch (Canyon) | ActiveGas | 8,319 | Dec 30, 1985 | 3 | Apr 2026 |
| Mayer Ranch #242-435-31187 | Red Stag Operating LLC only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,800 | May 3, 1979 | 1 | Mar 2026 |
| Mayer Ranch #142-435-31188 | Red Stag Operating LLC only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,764 | Apr 3, 1979 | 1 | Mar 2026 |
| Mayer Ranch B #642-435-32160 | Red Stag Operating LLC only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,800 | Mar 27, 1979 | 1 | Mar 2026 |
| Mayer Ranch B #542-435-32161 | World Producers Inc. only | SuttonMayer Ranch (Canyon) | PluggedGas | 7,800 | Mar 27, 1979 | 1 | — |
| Mayer Ranch a #342-435-32103 | Red Stag Operating LLC only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,800 | Oct 5, 1978 | 1 | Mar 2026 |
| Mayer Ranch a #442-435-32104 | Red Stag Operating LLC only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,800 | Oct 5, 1978 | 1 | Mar 2026 |
| Mayer Ranch #1242-413-30718 | Zachry Oil and Gas Properties only | SchleicherMayer Ranch (Canyon) | ActiveGas | 7,320 | Aug 1, 1978 | 1 | Apr 2026 |
| Mayer Ranch #1042-413-30422 | Zachry Oil and Gas Properties only | SchleicherMayer Ranch (Canyon) | ActiveGas | 8,456 | Sep 26, 1977 | 1 | Apr 2026 |
| Mayer Ranch #942-413-30376 | Zachry Oil and Gas Properties only | SchleicherMayer Ranch (Canyon) | ActiveGas | 8,300 | — | 0 | — |
| Mayer Ranch et al #142-435-10218 | Robert C. Brower LLC only | SuttonMayer Ranch (Canyon) | Temporarily abandonedGas | 8,512 | — | 0 | — |
| Mayer Estate #142-435-10222 | Robert C. Brower LLC only | SuttonMayer Ranch (Canyon) | Temporarily abandonedGas | 7,350 | — | 0 | — |
| Mayer Ranch Unit #142-435-30242 | KCS Medallion Resources Inc. only | SuttonMayer Ranch (Canyon) | PluggedGas | — | — | 0 | — |
| Mayer et al #242-435-30358 | KCS Resources Inc. only | SuttonMayer Ranch (Canyon) | PluggedGas | — | — | 0 | — |
| Mayer Ranch #142-435-30756 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,260 | — | 0 | — |
| Mayer Ranch #242-435-30825 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | PluggedGas | — | — | 0 | — |
| Mayer Ranch #342-435-30826 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,400 | — | 0 | — |
| Mayer Ranch #442-435-30827 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,447 | — | 0 | — |
| Mayer Ranch #842-435-30901 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,425 | — | 0 | — |
| Mayer Ranch #742-435-30902 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,530 | — | 0 | — |
| Mayer Ranch #642-435-30903 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | ActiveGas | 7,510 | — | 0 | — |
| Mayer Ranch #542-435-30935 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | PluggedGas | — | — | 0 | — |
| Mayer Ranch #1142-435-31450 | Zachry Oil and Gas Properties only | SuttonMayer Ranch (Canyon) | PluggedGas | — | — | 0 | — |