| Mayer #8A42-435-38301 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 7,372 | Jan 29, 2007 | 1 | May 2026 |
| Mayer #18A42-435-38302 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 7,330 | Jan 29, 2007 | 1 | May 2026 |
| Mayer #11A42-435-38073 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 7,482 | Aug 9, 2006 | 1 | Aug 2026 |
| Mayer #6A42-435-38074 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 7,319 | Aug 9, 2006 | 1 | Aug 2026 |
| Mayer #12A42-435-38075 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 7,536 | Jul 18, 2006 | 1 | Aug 2026 |
| Mayer #9A42-435-37830 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 8,252 | Feb 6, 2006 | 1 | Aug 2026 |
| Mayer #10A42-435-37813 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 7,470 | Jan 26, 2006 | 1 | Nov 2019 |
| Mayer #7A42-435-37787 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 7,385 | Jan 9, 2006 | 1 | Aug 2026 |
| Mayer #4A42-435-37767 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 8,200 | Dec 15, 2005 | 1 | Aug 2026 |
| Mayer #5A42-435-37768 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 8,259 | Dec 15, 2005 | 1 | Aug 2026 |
| Shell Clayton #342-413-32290 | Zachry Oil and Gas Properties | SchleicherOzona NE. (Canyon 7520) | ActiveGas | 7,645 | Jul 7, 2005 | 2 | Aug 2026 |
| Clayton #342-105-39659 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | ActiveGas | 7,810 | Jun 14, 2005 | 1 | Aug 2026 |
| Sinclair Clayton 11 #642-105-39660 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | ActiveGas | 7,860 | Jun 14, 2005 | 1 | Aug 2026 |
| Sinclair Clayton 11 #442-105-39633 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | Temporarily abandonedGas | 7,835 | May 24, 2005 | 1 | May 2022 |
| Shell Clayton 12 #442-105-39630 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | ActiveGas | 7,843 | May 19, 2005 | 1 | Apr 2026 |
| Clayton Sinclair 11 #542-105-39549 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | ActiveGas | 7,814 | Mar 9, 2005 | 2 | Aug 2026 |
| Clayton #242-105-39550 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | ActiveGas | 7,880 | Feb 17, 2005 | 1 | Aug 2026 |
| Sinclair Clayton 10 #642-105-39547 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | ActiveGas | 7,726 | Feb 16, 2005 | 1 | Aug 2026 |
| Clayton Sinclair 11 #342-105-39548 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | ActiveGas | 7,691 | Feb 16, 2005 | 1 | Aug 2026 |
| Sinclair Clayton 10 #342-105-39526 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | ActiveGas | 7,912 | Jan 26, 2005 | 1 | Aug 2026 |
| Sinclair Clayton 10 #442-105-39527 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | ActiveGas | 7,957 | Jan 24, 2005 | 1 | Aug 2026 |
| Mayer #3A42-413-32184 | Zachry Oil and Gas Properties | SchleicherSawyer (Canyon) | Temporarily abandonedGas | 8,148 | Nov 4, 2003 | 1 | Oct 2015 |
| Mayer #2A42-413-32183 | Zachry Oil and Gas Properties | SchleicherSawyer (Canyon) | ActiveGas | 8,145 | Oct 23, 2003 | 1 | Aug 2026 |
| Mayer #1A42-435-36530 | Zachry Oil and Gas Properties | SuttonSawyer (Canyon) | ActiveGas | 8,062 | Oct 23, 2003 | 1 | Aug 2026 |
| Shell-Clayton #2012R42-105-37709 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | ActiveGas | 7,810 | May 21, 1997 | 1 | Aug 2026 |
| Sinclair-Clayton #10242-105-37591 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | Temporarily abandonedGas | 7,950 | Mar 26, 1997 | 2 | Jan 2022 |
| Sinclair-Clayton #11242-105-37589 | Zachry Oil and Gas Properties | CrockettOzona NE. (Canyon 7520) | ActiveGas | 7,828 | Mar 24, 1997 | 2 | Aug 2026 |
| Mayer Ranch #1442-413-31636 | Zachry Oil and Gas Properties | SchleicherMayer Ranch (Canyon) | ActiveGas | 8,354 | May 3, 1996 | 2 | Aug 2026 |
| Reed #142-371-36131 | Zachry Oil and Gas Properties | PecosChenot (Wolfcamp) | PluggedOil | 5,300 | Jan 5, 1989 | 1 | Oct 1999 |
| Mayer Ranch #1942-435-33441 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | PluggedGas | 8,700 | Oct 21, 1988 | 3 | May 1996 |
| Mayer Ranch #1842-435-33422 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 8,300 | Jun 24, 1988 | 2 | Aug 2026 |
| Mayer Ranch #1642-413-31639 | Zachry Oil and Gas Properties | SchleicherSawyer (Strawn North) | ActiveGas | 8,317 | Aug 13, 1987 | 1 | Aug 2026 |
| Mayer Ranch #1742-413-31637 | Zachry Oil and Gas Properties | SchleicherMayer Ranch (Canyon) | ActiveGas | 8,312 | Aug 11, 1987 | 2 | Aug 2026 |
| Mayer Ranch #1542-435-33364 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 8,310 | Aug 11, 1987 | 3 | Aug 2026 |
| Mayer Ranch #1342-435-33355 | Zachry Oil and Gas Properties | SuttonMayer Ranch (Canyon) | ActiveGas | 8,228 | Jul 24, 1987 | 2 | Aug 2026 |
| Noelke a #242-235-32723 | Zachry Oil and Gas Properties | IrionMertzon (Canyon) | PluggedOil | 7,200 | Dec 30, 1985 | 1 | Feb 2002 |
| Texaco 213 #442-235-32693 | Zachry Oil and Gas Properties | IrionSpraberry (Trend Area) | Shut inOil | 6,750 | Nov 8, 1985 | 1 | Oct 2022 |
| Texaco 215 #442-235-32694 | Zachry Oil and Gas Properties | IrionSpraberry (Trend Area) | Shut inOil | 6,750 | Nov 8, 1985 | 1 | Oct 2022 |
| Texaco 213 #342-235-32685 | Zachry Oil and Gas Properties | IrionSpraberry (Trend Area) | Shut inOil | 6,750 | Oct 31, 1985 | 1 | Oct 2022 |
| Texaco 215 #342-235-32686 | Zachry Oil and Gas Properties | IrionSpraberry (Trend Area) | Shut inOil | 6,620 | Oct 31, 1985 | 1 | Oct 2022 |
| Noelke a #142-235-32582 | Zachry Oil and Gas Properties | IrionMertzon (Canyon) | PluggedOil | 7,200 | May 7, 1985 | 1 | Feb 2002 |
| Texaco 217 #242-235-32494 | Zachry Oil and Gas Properties | IrionSpraberry (Trend Area) | Shut inOil | 6,700 | Dec 31, 1984 | 1 | Oct 2022 |
| Texaco 215 #242-235-32495 | Zachry Oil and Gas Properties | IrionSpraberry (Trend Area) | Shut inOil | 6,700 | Dec 31, 1984 | 1 | Oct 2022 |
| Texaco 213 #242-235-32496 | Zachry Oil and Gas Properties | IrionSpraberry (Trend Area) | Shut inOil | 6,700 | Dec 31, 1984 | 1 | Oct 2022 |
| Texaco 213 #142-235-32388 | Zachry Oil and Gas Properties | IrionSpraberry (Trend Area) | Shut inOil | 6,670 | Aug 22, 1984 | 1 | Oct 2022 |
| Texaco 217 #142-235-32389 | Zachry Oil and Gas Properties | IrionSpraberry (Trend Area) | Temporarily abandonedOil | 6,670 | Aug 22, 1984 | 1 | Oct 2022 |
| Texaco 215 #142-235-32390 | Zachry Oil and Gas Properties | IrionSpraberry (Trend Area) | Shut inOil | 6,670 | Aug 22, 1984 | 1 | Oct 2022 |
| Probandt #242-451-31405 | Zachry Oil and Gas Properties | Tom GreenProbandt (Canyon) | PluggedOil | 7,400 | Apr 10, 1984 | 1 | Oct 1999 |
| Toyah C #142-389-31448 | Zachry Oil and Gas Properties | ReevesToyah (Devonian) | PluggedGas | 15,300 | Dec 6, 1983 | 1 | — |
| Reed J.C. Estate #10942-431-31318 | Zachry Oil and Gas Properties | SterlingSterling N. (Canyon Sd.) | PluggedOil | 9,000 | May 23, 1983 | 1 | Sep 1994 |