| TXL -M- #242-135-05941 | Formentera Operations LLC | EctorTXL (Devonian) | ActiveOil | 9,755 | May 2, 1978 | 1 | Aug 2026 |
| Eidson Estate #142-135-85633 | Energy Fund of America, Inc. | Ector | Not on schedule | 12,500 | May 1, 1978 | 1 | — |
| T. X. L. -D- #242-135-05966 | Apache Corporation | EctorTXL (Devonian) | PluggedOil | 9,780 | Apr 28, 1978 | 1 | Sep 2015 |
| Thomas -B- Tract #1 #142-135-07008 | Anadarko Petroleum Corporation | EctorTXL (Devonian) | PluggedOil | 9,792 | Apr 28, 1978 | 1 | — |
| East Cowden (Grayburg) Unit #5542-135-32981 | GL Energy Operating LLC | EctorCowden North | PluggedOil | 4,700 | Apr 28, 1978 | 1 | — |
| Witcher J. E. #73W42-135-32985 | Occidental Permian Ltd. | EctorFoster | PluggedOil | 4,500 | Apr 28, 1978 | 1 | Aug 2026 |
| Witcher J. E. #74W42-135-32986 | Occidental Permian Ltd. | EctorFoster | ActiveInjection | 4,500 | Apr 28, 1978 | 1 | Aug 2026 |
| Wight L.E. B-21 #142-135-32999 | Conoco Inc. | EctorCowden North | PluggedOil | 4,400 | Apr 28, 1978 | 1 | — |
| Fasken #142-135-32188 | Endeavor Energy Resources L.P. | EctorCircle Bar East (Wichita-Albany) | PluggedOil | 13,600 | Apr 27, 1978 | 1 | Oct 2011 |
| Moss Paul Unit #172W42-135-32987 | R3 Operating Corporation | EctorCowden South | PluggedOil | 4,500 | Apr 27, 1978 | 1 | Aug 2026 |
| Moss Paul Unit #17042-135-32988 | R3 Operating Corporation | EctorCowden South | ActiveOil | 4,550 | Apr 27, 1978 | 1 | Aug 2026 |
| Moss Paul Unit #17842-135-32989 | R3 Operating Corporation | EctorCowden South | ActiveOil | 4,460 | Apr 27, 1978 | 1 | Aug 2026 |
| Moss Paul Unit #17342-135-32990 | R3 Operating Corporation | EctorCowden South | Shut inOil | 4,690 | Apr 27, 1978 | 1 | Aug 2026 |
| Moss Paul Unit #175W42-135-32991 | R3 Operating Corporation | EctorCowden South | ActiveInjection | 4,600 | Apr 27, 1978 | 1 | Aug 2026 |
| Moss Paul Unit #174W42-135-32992 | R3 Operating Corporation | EctorCowden South | PluggedOil | 4,500 | Apr 27, 1978 | 1 | Aug 2026 |
| Moss Paul Unit #17942-135-32993 | R3 Operating Corporation | EctorCowden South | PluggedOil | 4,500 | Apr 27, 1978 | 1 | — |
| Moss Paul Unit #18042-135-32994 | R3 Operating Corporation | EctorCowden South | PluggedOil | 4,500 | Apr 27, 1978 | 1 | Aug 2026 |
| Moss Paul Unit #181W42-135-32995 | R3 Operating Corporation | EctorCowden South | PluggedOil | 4,500 | Apr 27, 1978 | 1 | — |
| Moss Paul Unit #18242-135-32996 | R3 Operating Corporation | EctorCowden South | PluggedOil | 4,500 | Apr 27, 1978 | 1 | Aug 2026 |
| Moss Paul Unit #18342-135-32997 | R3 Operating Corporation | EctorCowden South | ActiveOil | 4,540 | Apr 27, 1978 | 1 | Aug 2026 |
| Moss Paul Unit #18542-135-32998 | R3 Operating Corporation | EctorCowden South | PluggedOil | 4,500 | Apr 27, 1978 | 1 | Aug 2026 |
| Cowden E.F. F #242-135-32977 | Endeavor Energy Resources L.P. | EctorFoster | PluggedOil | 4,400 | Apr 20, 1978 | 1 | Oct 1998 |
| Cowden E.F. G #242-135-32978 | Raptor Petroleum Develop LLC | EctorFoster | PluggedOil | 4,400 | Apr 20, 1978 | 1 | — |
| North Foster Unit #101W42-135-32973 | Aghorn Operating Inc. | EctorFoster | PluggedOil | 4,300 | Apr 18, 1978 | 1 | Jun 2026 |
| Cowden E.F. #342-135-32976 | Petroleum Technical Services Co. | EctorCowden South | PluggedOil | 4,400 | Apr 18, 1978 | 1 | Oct 1994 |
| Thomas H Tract II #442-135-07042 | Formentera Operations LLC | EctorGoldsmith W. (San Andres) | Shut inOil | 9,815 | Apr 14, 1978 | 1 | Nov 1998 |
| Cowden "F" #1542-135-32974 | Schlachter, David A. | EctorDonnelly (San Andres) | Not on schedule | 4,500 | Apr 14, 1978 | 1 | — |
| North Foster Unit #10042-135-32975 | Aghorn Operating Inc. | EctorFoster | ActiveOil | 4,300 | Apr 14, 1978 | 1 | Jun 2026 |
| Witcher J. E. #7142-135-32971 | Occidental Permian Ltd. | EctorFoster | PluggedOil | 4,500 | Apr 13, 1978 | 1 | Aug 2026 |
| East Goldsmith San Andres Unit #2810UW42-135-31954 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | PluggedOil | 5,100 | Apr 10, 1978 | 1 | Mar 2018 |
| East Goldsmith San Andres Unit #2807UW42-135-32023 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | PluggedOil | 5,111 | Apr 10, 1978 | 1 | Mar 2018 |
| Goldsmith East Holt Unit #2806LW42-135-32024 | Scout Energy Management LLC | EctorGoldsmith East (Holt) | PluggedOil | 5,111 | Apr 10, 1978 | 1 | Mar 2018 |
| East Goldsmith San Andres Unit #2812UW42-135-32028 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | PluggedOil | 5,098 | Apr 10, 1978 | 1 | Mar 2018 |
| East Goldsmith San Andres Unit #2808UW42-135-32078 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | PluggedOil | 5,112 | Apr 10, 1978 | 1 | Mar 2018 |
| East Cowden (Grayburg) Unit #52W42-135-32968 | GL Energy Operating LLC | EctorCowden North | PluggedOil | 4,650 | Apr 6, 1978 | 2 | Aug 2026 |
| East Goldsmith San Andres Unit #2306UW42-135-31950 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | PluggedOil | 5,096 | Apr 3, 1978 | 1 | Mar 2018 |
| East Goldsmith San Andres Unit #2408UW42-135-31953 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | PluggedOil | 5,086 | Apr 3, 1978 | 1 | Mar 2018 |
| East Goldsmith San Andres Unit #2409UW42-135-32026 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | PluggedOil | 5,087 | Apr 3, 1978 | 1 | Mar 2018 |
| East Goldsmith San Andres Unit #2412UW42-135-32080 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | PluggedOil | 5,114 | Apr 3, 1978 | 1 | Mar 2018 |
| East Goldsmith San Andres Unit #2411UW42-135-32081 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | PluggedOil | 5,130 | Apr 3, 1978 | 1 | Mar 2018 |
| East Cowden (Grayburg) Unit #5342-135-32969 | GL Energy Operating LLC | EctorCowden North | ActiveOil | 4,600 | Apr 3, 1978 | 1 | Aug 2026 |
| Connell W.E. Estate -13- #142-135-01663 | Conoco Inc. | EctorJordan (Fusselman) | Not on scheduleOil | 8,450 | Mar 31, 1978 | 1 | — |
| Cowden W.E. F. #142-135-32160 | Amoco Production Company | EctorCowden South (Canyon 8790) | PluggedOil | 8,375 | Mar 31, 1978 | 1 | — |
| Goldsmith, East Holt #310142-135-85628 | Sun Exploration & Production Co. | EctorGoldsmith, East (Holt) | Not on schedule | 5,100 | Mar 31, 1978 | 1 | — |
| Witcher J. E. #7242-135-32965 | Occidental Permian Ltd. | EctorFoster | Shut inOil | 4,386 | Mar 30, 1978 | 1 | Aug 2026 |
| Henderson #142-135-07860 | Henderson Bryan Co. | EctorCowden South | Shut inOil | 4,150 | Mar 28, 1978 | 1 | Aug 2026 |
| Cowden E.F. -D- #142-135-32954 | Baker Operating Inc. | EctorCowden South | ActiveOil | 4,130 | Mar 27, 1978 | 1 | Aug 2026 |
| East Goldsmith San Andres Unit #2009UW42-135-31916 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | ActiveInjection | 5,100 | Mar 24, 1978 | 1 | Mar 2018 |
| East Goldsmith San Andres Unit #1608UW42-135-31917 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | PluggedOil | 5,080 | Mar 24, 1978 | 1 | Mar 2018 |
| East Goldsmith San Andres Unit #2006UW42-135-31935 | Scout Energy Management LLC | EctorGoldsmith East (San Andres) | PluggedOil | 5,080 | Mar 24, 1978 | 1 | Mar 2018 |