| University Waddell Devonian Unit #315AW42-103-34071 | Formentera Operations LLC only | CraneUniversity Waddell (Devonian) | Shut inOil | 9,500 | Apr 16, 1990 | 1 | Apr 2026 |
| University Waddell Devonian Unit #20842-103-34066 | Formentera Operations LLC only | CraneUniversity Waddell (Devonian) | Shut inOil | 9,510 | Apr 13, 1990 | 1 | Apr 2026 |
| University Waddell Devonian Unit #32642-103-34067 | Formentera Operations LLC only | CraneUniversity Waddell (Devonian) | ActiveOil | 9,446 | Apr 13, 1990 | 1 | Apr 2026 |
| University Waddell Devonian Unit #32742-103-34068 | Formentera Operations LLC only | CraneUniversity Waddell (Devonian) | ActiveOil | 9,400 | Apr 13, 1990 | 1 | Apr 2026 |
| Epley L. B. #142-329-00783 | Diamondback E&P LLC only | MidlandSpraberry (Trend Area) | PluggedOil | 9,000 | Apr 12, 1990 | 1 | Apr 2024 |
| Oldham Ida Mae -D- #142-329-00832 | Diamondback E&P LLC only | MidlandSpraberry (Trend Area) | Shut inOil | 11,293 | Apr 12, 1990 | 2 | Mar 2026 |
| Waddell TR 3 #81242-103-10114 | Blackbeard Operating LLC only | CraneUniversity Waddell (Devonian) | PluggedOil | 9,410 | Apr 6, 1990 | 1 | — |
| Pigg Unit #142-329-00599 | Chevron U. S. A. Inc. only | MidlandAzalea (Grayburg) | PluggedOil | 11,575 | Apr 4, 1990 | 1 | — |
| Waddell #11242-495-01266 | Formentera Operations LLC only | WinklerKeystone (San Andres) | ActiveOil | 8,203 | Mar 20, 1990 | 1 | Apr 2026 |
| Magnolia #142-003-36694 | Chi Operating Inc. only | AndrewsFullerton ( Devonian ) | PluggedOil | 9,000 | Mar 12, 1990 | 1 | — |
| Pegasus Field Unit #3 #490942-461-33016 | XTO Energy Inc. only | UptonPegasus (Devonian) | Temporarily abandonedGas | 12,650 | Mar 12, 1990 | 1 | Apr 1994 |
| Pegasus Field Unit #3 #500342-461-33017 | XTO Energy Inc. only | UptonPegasus (Devonian) | ActiveGas | 12,710 | Mar 12, 1990 | 1 | Oct 1994 |
| Pegasus Field Unit #3 #15942-329-32214 | XTO Energy Inc. only | MidlandPegasus (Devonian) | ActiveGas | 12,200 | Mar 5, 1990 | 1 | Oct 1994 |
| Pegasus Field Unit #3 #161142-461-33011 | XTO Energy Inc. only | UptonPegasus (Devonian) | PluggedGas | 12,400 | Mar 5, 1990 | 1 | Oct 1994 |
| Pegasus Field Unit #3 #15842-329-32215 | XTO Energy Inc. only | MidlandPegasus (Devonian) | ActiveGas | 12,285 | Mar 3, 1990 | 1 | Oct 1994 |
| Ft. Stockton Gas Unit NO.6 #142-371-30054 | Chevron U. S. A. Inc. only | PecosGomez S.E. (Devonian) | PluggedGas | 22,685 | Feb 26, 1990 | 1 | — |
| Fasken Block -EE- a/C #2 #542-003-03641 | Libertad Operating LLC only | AndrewsFasken (Wolfcamp) | ActiveOil | 11,120 | Feb 23, 1990 | 2 | Mar 2026 |
| Jacobs Livestock Co. -a- #542-461-30176 | Peterson Oil and Gas LLC only | UptonHeluma East (Devonian) | Shut inOil | 10,668 | Feb 23, 1990 | 2 | Nov 2025 |
| University -1- #142-317-33691 | Endeavor Energy Resources L.P. only | MartinLacaff (Devonian) | PluggedOil | 12,300 | Feb 21, 1990 | 1 | Sep 2002 |
| Shook R. B. a #4D42-501-33559 | Hilcorp Energy Company only | YoakumBrahaney Northwest (Devonian) | ActiveInjection | 11,980 | Feb 21, 1990 | 1 | Feb 2010 |
| Dollarhide Unit #2301 C42-003-03545 | Scout Energy Management LLC only | AndrewsDollarhide (Clear Fork) | Shut inOil | 8,565 | Feb 15, 1990 | 1 | Apr 2026 |
| Scharbauer B-27 #202742-329-31284 | Diamondback E&P LLC only | MidlandSt. Rita (Devonian) | PluggedOil | 14,000 | Feb 6, 1990 | 3 | Jan 2018 |
| McGinty #142-501-33555 | Pitts Energy Co. only | YoakumBlock D (Devonian) | ActiveOil | 11,900 | Jan 31, 1990 | 1 | Apr 2026 |
| Katrina #142-317-33679 | Diamondback E&P LLC only | MartinRK (Devonian) | PluggedOil | 11,800 | Jan 16, 1990 | 1 | May 2019 |
| Samedan-McGuire 1X #1X42-165-34132 | Snow Oil & Gas Inc. only | GainesTripp (Devonian) | Shut inOil | 12,607 | Jan 10, 1990 | 1 | Feb 2002 |
| North Dollarhide Unit #11742-003-36621 | OXY USA WTP LP only | AndrewsDollarhide (Clear Fork) | ActiveInjection | 7,990 | Jan 4, 1990 | 1 | Apr 2026 |
| North Dollarhide Unit #11842-003-36622 | OXY USA WTP LP only | AndrewsDollarhide (Clear Fork) | ActiveInjection | 8,030 | Jan 4, 1990 | 1 | Apr 2026 |
| Lane J.F. -a- a/C 2 #6542-461-30006 | Apv McCamey LLC only | UptonMcCamey (Silurian) | PluggedGas | 8,202 | Jan 4, 1990 | 1 | Apr 2016 |
| North Dollarhide Unit #40542-003-36619 | OXY USA WTP LP only | AndrewsDollarhide (Clear Fork) | Shut inOil | 8,140 | Jan 3, 1990 | 1 | Apr 2026 |
| North Dollarhide Unit #20542-003-36618 | OXY USA WTP LP only | AndrewsDollarhide (Clear Fork) | ActiveOil | 8,090 | Jan 2, 1990 | 1 | Apr 2026 |
| North Dollarhide Unit #32842-003-36620 | OXY USA Inc.permitted by · no operator of record | AndrewsDollarhide (Devonian) | Not on schedule | 8,110 | Jan 2, 1990 | 1 | — |
| University -2- #1__42-317-33666 | Mitchell Energy Corporationpermitted by · no operator of record | MartinLacaff (Devonian) | Plugged | 12,500 | Jan 2, 1990 | 1 | — |
| University #201__42-003-36566 | Marathon Oil Companypermitted by · no operator of record | AndrewsFullerton ( Devonian ) | Plugged | 8,800 | Dec 14, 1989 | 1 | — |
| Vollmar Fee -13- #342-371-36213 | N & O Oil Co. only | PecosTroporo (Devonian) | ActiveOil | 5,490 | Dec 14, 1989 | 1 | Apr 2026 |
| Petro-Lewis Arco #142-165-31397 | Endeavor Energy Resources L.P. only | GainesSeminole North (Devonian) | PluggedOil | 11,670 | Dec 8, 1989 | 2 | Nov 1998 |
| Bookhout #1A42-165-31269 | Tamer Oil & Gas only | GainesSeminole North (Devonian) | PluggedOil | 11,602 | Dec 7, 1989 | 2 | Apr 1998 |
| Sparks #142-165-31423 | Vista Resources Inc. (A) only | GainesSeminole (San Andres) | PluggedOil | 11,600 | Dec 7, 1989 | 2 | Aug 1995 |
| Hitzelberger #102542-003-36603 | Smith Pipe of Abilene only | AndrewsMid-Max (Devonian) | PluggedOil | 8,800 | Dec 6, 1989 | 1 | Jun 1998 |
| Dollarhide Unit #3504 C42-003-04861 | Scout Energy Management LLC only | AndrewsDollarhide (Clear Fork) | ActiveInjection | 8,481 | Nov 27, 1989 | 1 | Apr 2026 |
| Shepherd 703 #3__42-501-33539 | Hunt Oil Companypermitted by · no operator of record | YoakumMcKenzie Draw (Devonian) | Plugged | 11,100 | Nov 22, 1989 | 1 | — |
| Winter Estate #1_42-475-33969 | Siete Petroleum Corporationpermitted by · no operator of record | WardCrawar, W. (Devonian 6320) | Plugged | 6,450 | Nov 21, 1989 | 1 | — |
| Cox R. A. Heirs #142-501-33538 | Apache Corporation only | YoakumBronco SW. (Devonian) | PluggedOil | 12,500 | Nov 17, 1989 | 1 | Sep 2003 |
| West Brahaney 420 #142-501-33537 | Sei Operating LLC only | YoakumBrahaney Northwest (Devonian) | ActiveInjection | 12,185 | Nov 14, 1989 | 2 | — |
| University -KL- #242-003-36586 | Crescent Energy Operating LLC only | AndrewsFullerton ( Devonian ) | PluggedOil | 9,600 | Nov 10, 1989 | 1 | Jan 2005 |
| Fasken -T-34- #242-003-10106 | Amoco Production Company only | AndrewsInez (Ellenburger) | PluggedOil | 12,631 | Nov 9, 1989 | 1 | — |
| Dollarhide Unit #1505D42-003-36582 | Scout Energy Management LLC only | AndrewsDollarhide (Devonian) | ActiveOil | 7,920 | Nov 9, 1989 | 1 | Apr 2026 |
| Dollarhide Unit #1504D42-003-36583 | Scout Energy Management LLC only | AndrewsDollarhide (Devonian) | ActiveOil | 7,870 | Nov 9, 1989 | 1 | Apr 2026 |
| Dollarhide Unit #1302D42-003-36584 | Scout Energy Management LLC only | AndrewsDollarhide (Devonian) | PluggedOil | 8,050 | Nov 9, 1989 | 1 | Apr 2026 |
| Jones Estate 376 #1R42-165-32794 | Mitchell Energy Corporation only | GainesBale (San Andres 5500) | PluggedOil | 12,500 | Nov 9, 1989 | 3 | — |
| Dawson -78-a- #142-103-33997 | R3 Operating Corporation only | CranePeak Victor (Devonian) | PluggedOil | 5,800 | Nov 6, 1989 | 1 | Apr 2026 |