| Headlee Devonian Unit #4442-135-06619 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #5442-135-06620 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #8442-135-06621 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #9442-135-06622 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #10442-135-06623 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #14442-135-06624 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #44442-135-06626 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #45442-135-06627 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #4242-135-06628 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #8242-135-06629 | Four Star Oil and Gas Company only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #9242-135-06630 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #10242-135-06631 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #11242-135-06632 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #14242-135-06633 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #29242-135-06634 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #36242-135-06635 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #44242-135-06636 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #47242-135-06637 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #59242-135-06638 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #65242-135-06639 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #2642-135-06640 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #31642-135-06641 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #2542-135-06643 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #6542-135-06644 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #10542-135-06645 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #25542-135-06646 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #31542-135-06647 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #49542-135-06649 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #4342-135-06650 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #5342-135-06651 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #6342-135-06652 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | ActiveGas | 11,845 | — | — | — |
| Headlee Devonian Unit #8342-135-06653 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #9342-135-06654 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #10342-135-06655 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #14342-135-06656 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #29342-135-06657 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #36342-135-06658 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #44342-135-06659 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #46342-135-06660 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #6442-135-06661 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #36542-135-06662 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #1142-135-06677 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #9142-135-06678 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #42142-135-06679 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #4142-135-06681 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #14142-135-06682 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #52142-135-06683 | Getty Oil Co. only | Ector, TXHeadlee (Devonian) | Not on scheduleGas | — | — | — | — |
| Headlee Devonian Unit #43142-135-06684 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #43242-135-06685 | Chevron U. S. A. Inc. only | Ector, TXHeadlee (Devonian) | PluggedGas | — | — | — | — |
| Headlee Devonian Unit #61142-135-06687 | Getty Oil Co. only | Ector, TXHeadlee (Devonian) | Not on scheduleGas | — | — | — | — |