| Holt Sand Unit #s 3442-337-33603 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 2,000 | Dec 19, 2003 | 2 | Aug 2026 |
| Holt Sand Unit #s 2342-337-33557 | Wako Oil Co. LLC | MontagueMontague County Regular | ActiveOil | 2,000 | Jun 4, 2003 | 1 | Aug 2026 |
| Holt Sand Unit #s 2142-337-33548 | Wako Oil Co. LLC | MontagueMontague County Regular | ActiveOil | 2,018 | May 23, 2003 | 2 | Aug 2026 |
| Holt Sand Unit #s 2042-337-33546 | Wako Oil Co. LLC | MontagueMontague County Regular | Shut inOil | 1,995 | May 12, 2003 | 2 | Aug 2026 |
| Holt Sand Unit #s 1542-337-33510 | Wako Oil Co. LLC | MontagueMontague County Regular | ActiveInjection | 1,980 | Nov 13, 2002 | 1 | Aug 2026 |
| Holt Sand Unit #s 1642-337-33511 | Wako Oil Co. LLC | MontagueMontague County Regular | ActiveOil | 1,980 | Nov 13, 2002 | 1 | Aug 2026 |
| Holt Sand Unit #s 1742-337-33512 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 2,000 | Nov 13, 2002 | 1 | Aug 2026 |
| Holt Sand Unit #s 1142-337-33482 | Wako Oil Co. LLC | MontagueMontague County Regular | Shut inOil | 1,840 | Aug 7, 2002 | 1 | Aug 2026 |
| Holt Sand Unit #s 442-337-33455 | Wako Oil Co. LLC | MontagueMontague County Regular | ActiveOil | 1,788 | Apr 8, 2002 | 1 | Aug 2026 |
| Holt Sand Unit #s 142-337-33448 | Wako Oil Co. LLC | MontagueMontague County Regular | Shut inOil | 1,786 | Mar 7, 2002 | 1 | Aug 2026 |
| Holt Sand Unit #A20042-337-31525 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Oct 15, 1997 | 2 | Aug 2026 |
| Holt D.T. -a- #200A42-337-31520 | Wako Oil Co. LLC | MontagueMontague County Regular | Shut inOil | 1,880 | Jul 11, 1990 | 2 | Aug 2026 |
| Holt D.T. -a- #10442-337-31532 | Wako Oil Co. LLC | MontagueMontague County Regular | Shut inOil | 1,804 | Jul 13, 1989 | 2 | Aug 2026 |
| Holt Sand Unit #10542-337-31694 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Jul 21, 1981 | 1 | Aug 2026 |
| Holt Sand Unit #10642-337-31714 | Wako Oil Co. LLC | MontagueMontague County Regular | ActiveOil | 2,100 | Jul 21, 1981 | 1 | Aug 2026 |
| Holt Sand Unit #A10442-337-31527 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 23, 1980 | 1 | — |
| Holt Sand Unit #A10342-337-31529 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 23, 1980 | 1 | — |
| Holt Sand Unit #A10242-337-31530 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 23, 1980 | 1 | — |
| Holt Sand Unit #A10142-337-31531 | Wako Oil Co. LLC | MontagueMontague County Regular | ActiveInjection | 1,825 | Dec 23, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #10342-337-31533 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 23, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #10142-337-31534 | Wako Oil Co. LLC | MontagueMontague County Regular | ActiveInjection | 1,861 | Dec 23, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #30142-337-02934 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #A30742-337-31543 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #30442-337-31544 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #A30542-337-31545 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #A30442-337-31546 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #A30342-337-31547 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #A30242-337-31548 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #A30142-337-31549 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #30742-337-31550 | Wako Oil Co. LLC | MontagueMontague County Regular | Shut inOil | 1,774 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #30642-337-31551 | Wako Oil Co. LLC | MontagueMontague County Regular | Shut inOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #30542-337-31552 | Wako Oil Co. LLC | MontagueMontague County Regular | Shut inOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #30342-337-31553 | Wako Oil Co. LLC | MontagueMontague County Regular | ActiveOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #30242-337-31554 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 17, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #A30642-337-31542 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,800 | Dec 16, 1980 | 1 | Aug 2026 |
| Holt Sand Unit #5 B42-337-31037 | Wako Oil Co. LLC | MontagueMontague County Regular | ActiveInjection | 2,077 | Oct 16, 1980 | 2 | Aug 2026 |
| Holt D.T. -a- #3842-337-31337 | Wako Oil Co. LLC | MontagueMontague County Regular | Shut inOil | 2,100 | Feb 12, 1980 | 1 | Jun 2025 |
| Holt D.T. -a- #3742-337-31079 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 2,100 | Apr 10, 1978 | 1 | Jun 2025 |
| Holt D.T. -a- #3642-337-31027 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 1,714 | Dec 19, 1977 | 1 | — |
| Holt Sand Unit #142-337-31026 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | 3,150 | Oct 27, 1977 | 1 | Aug 2026 |
| Holt Sand Unit #3442-337-03932 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | — | — | 0 | — |
| Holt Sand Unit #242-337-82016 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | — | — | 0 | — |
| Holt Sand Unit #342-337-82017 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | — | — | 0 | — |
| Holt Sand Unit #442-337-82018 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | — | — | 0 | — |
| Holt Sand Unit #742-337-82019 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | — | — | 0 | — |
| Holt Sand Unit #842-337-82020 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | — | — | 0 | — |
| Holt Sand Unit #942-337-82021 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | — | — | 0 | — |
| Holt Sand Unit #1042-337-82022 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | — | — | 0 | — |
| Holt Sand Unit #1142-337-82023 | Wako Oil Co. LLC | MontagueMontague County Regular | PluggedOil | — | — | 0 | — |
| Holt Sand Unit #1242-337-82024 | Wako Oil Co. LLC | MontagueMontague County Regular | Not on scheduleOil | — | — | 0 | — |