| Atapco Devonian Unit #442-103-34131 | Olsen Energy Inc. only | CraneAtapco (Devonian) | ActiveOil | 5,710 | May 24, 1991 | 1 | Apr 2026 |
| Atapco Devonian Unit #1142-103-34137 | Olsen Energy Inc. only | CraneAtapco (Devonian) | ActiveOil | 5,600 | May 24, 1991 | 1 | Apr 2026 |
| Atapco Devonian Unit #1242-103-34138 | Olsen Energy Inc. only | CraneAtapco (Devonian) | ActiveOil | 5,580 | May 24, 1991 | 2 | Apr 2026 |
| Atapco Devonian Unit #642-103-34135 | Olsen Energy Inc. only | CraneAtapco (Devonian) | PluggedOil | 6,000 | May 23, 1991 | 1 | Apr 2026 |
| Atapco Devonian Unit #542-103-34136 | Olsen Energy Inc. only | CraneAtapco (Devonian) | PluggedOil | 6,000 | May 23, 1991 | 1 | Apr 2026 |
| Block 31 Unit #n 3N42-103-32561 | OXY USA EOR LLC only | CraneBlock 31 (Devonian) | PluggedOil | 9,100 | May 21, 1991 | 2 | Apr 2026 |
| Shepherd #1__42-501-33706 | Maralo, Inc.permitted by · no operator of record | YoakumMcKenzie Draw (Devonian) | Plugged | 11,200 | May 7, 1991 | 1 | — |
| Dollarhide Unit #2602D42-003-36926 | Scout Energy Management LLC only | AndrewsDollarhide (Devonian) | PluggedOil | 7,800 | May 6, 1991 | 1 | Apr 2026 |
| Cox Unit 54 #1 #15442-329-00244 | Pioneer Natural Res. USA Inc. only | MidlandSpraberry (Trend Area) | PluggedOil | 11,453 | Apr 23, 1991 | 1 | Mar 2023 |
| Board of Regents #142-165-33540 | Select Agua Libre Midstream LLC only | GainesSeminole SE. (San Andres) | PluggedOil | 12,500 | Apr 16, 1991 | 3 | — |
| Midland -R- Fee #1 L42-329-01796 | Apache Corporation only | MidlandSweetie Peck (Ellenburger) | PluggedOil | 13,265 | Apr 15, 1991 | 1 | — |
| University 9 #242-371-36301 | Simata Energy LLC only | PecosViejos (Devonian) | ActiveOil | 6,470 | Apr 12, 1991 | 1 | Apr 2026 |
| Ratliff & Bedford #1842-003-05116 | Hilcorp Energy Company only | AndrewsBedford (Devonian) | PluggedOil | 11,442 | Apr 11, 1991 | 1 | Apr 2026 |
| University -CQ- #142-003-06022 | Cimarex Energy Co. of Colorado only | AndrewsEmma (Strawn) | PluggedOil | 12,342 | Apr 9, 1991 | 1 | Dec 2008 |
| Dora Roberts Ranch Devonian Unit #40942-329-10021 | Continental Resources Inc. only | MidlandDora Roberts (Devonian) | ActiveGas | 12,164 | Apr 5, 1991 | 2 | — |
| University 8 #242-371-36300 | Fuller Production Inc. only | PecosViejos (Devonian) | PluggedOil | 6,500 | Mar 28, 1991 | 1 | Jan 2011 |
| Roberts Dora Ranch Dev. Unit #80242-329-00310 | OXY USA WTP LP only | MidlandDora Roberts (Devonian) | PluggedGas | 12,270 | Mar 14, 1991 | 1 | — |
| Dora Roberts Ranch Devonian Unit #410642-329-10013 | Continental Resources Inc. only | MidlandDora Roberts (Devonian) | ActiveGas | 12,278 | Mar 14, 1991 | 1 | Apr 2026 |
| Hill M. J. -19- #142-495-03228 | King Oil & Resources Co only | WinklerHalley South (Queen Sand) | Shut inOil | 11,710 | Mar 14, 1991 | 1 | Mar 2025 |
| Parker J. E. -J- #242-003-07742 | Morningstar Operating LLC only | AndrewsBakke (Ellenburger) | ActiveInjection | 12,408 | Mar 12, 1991 | 1 | Feb 1997 |
| Hitzelberger #202542-003-36883 | Maxus Exploration Companypermitted by · no operator of record | AndrewsMid-Max (Devonian) | Not on schedule | 8,800 | Mar 1, 1991 | 1 | — |
| 708 B JV-S Pyote #80542-475-30615 | BTA Oil Producers only | WardR. O. C. (Atoka) | PluggedGas | 14,050 | Mar 1, 1991 | 1 | Feb 1998 |
| Texas -PP- #942-003-36071 | Scout Energy Management LLC only | AndrewsShafter Lake (Devonian) | Shut inOil | 11,842 | Feb 26, 1991 | 2 | Feb 2022 |
| University 6-36 #142-003-36813 | Oilfield Management Inc. (A) only | AndrewsHutex N. (Wolfcamp) | PluggedOil | 12,700 | Feb 25, 1991 | 2 | Jul 1996 |
| North Dollarhide Unit #50342-003-36890 | OXY USA WTP LP only | AndrewsDollarhide (Devonian) | ActiveOil | 8,550 | Feb 19, 1991 | 1 | Apr 2026 |
| North Dollarhide Unit #50542-003-36891 | OXY USA WTP LP only | AndrewsDollarhide (Devonian) | ActiveOil | 8,270 | Feb 19, 1991 | 1 | Apr 2026 |
| Mobil-Cook #342-461-30206 | R2Q Operating LLC only | UptonHeluma East (Devonian) | ActiveOil | 10,565 | Feb 19, 1991 | 1 | Apr 2026 |
| McClure W. W. a/C 1 #342-461-03762 | Winn Operating LLC only | UptonKing Mountain (Devonian) | ActiveOil | 11,858 | Feb 15, 1991 | 1 | Apr 2026 |
| Fasken -21- #902142-329-31176 | Endeavor Energy Resources L.P. only | MidlandSt. Rita (Devonian) | PluggedOil | 13,500 | Feb 11, 1991 | 4 | Oct 1998 |
| Ratliff -E- #142-135-05006 | Pronghorn Management Corporation only | EctorHeadlee (Bend) | Shut inOil | 14,166 | Feb 8, 1991 | 3 | Jul 2012 |
| Turner Mary E. -D- #342-329-30436 | Pioneer Natural Res. USA Inc. only | MidlandSpraberry (Trend Area) | PluggedOil | 10,980 | Feb 4, 1991 | 2 | Dec 2023 |
| Headlee Devonian Unit #370942-329-01923 | Chevron U. S. A. Inc. only | MidlandHeadlee (Devonian) | PluggedGas | 13,189 | Jan 25, 1991 | 1 | — |
| McElroy Ranch Co. -L- #9 U42-461-03666 | Chevron U. S. A. Inc. only | UptonJack Herbert (Strawn Penn.) | PluggedGas | 11,779 | Jan 22, 1991 | 1 | — |
| Patton, Lucille #142-501-33624 | MB Resources Corporationpermitted by · no operator of record | YoakumBronco, SW. (Devonian) | Not on schedule | 12,500 | Jan 7, 1991 | 1 | — |
| Adobe-Epley #142-317-33809 | Cox John L. only | MartinJ C (Devonian) | PluggedOil | 12,000 | Jan 2, 1991 | 1 | — |
| Sanders Virginia #142-501-32871 | Citation Oil & Gas Corp. only | YoakumBlock D (Devonian) | PluggedOil | 11,950 | Dec 21, 1990 | 4 | — |
| Texas "QQ" #1242-003-36851 | Chevron U. S. A. Inc.permitted by · no operator of record | AndrewsShafter Lake (Devonian) | Not on schedule | 10,000 | Dec 19, 1990 | 1 | — |
| Walton J. B. #1742-495-03893 | Hilcorp Energy Company only | WinklerKeystone (Dev-McKee Cons) | ActiveOil | 9,893 | Dec 18, 1990 | 2 | Mar 2026 |
| State University Hutex Cons #2842-003-36865 | Exxon Corp.permitted by · no operator of record | AndrewsHutex (Devonian) | Plugged | 13,500 | Dec 17, 1990 | 1 | — |
| Epley L. B. #242-329-00778 | Diamondback E&P LLC only | MidlandSpraberry (Trend Area) | PluggedOil | 11,272 | Dec 12, 1990 | 1 | Apr 2024 |
| Oldham Ida Mae -D- #542-329-00808 | Diamondback E&P LLC only | MidlandSpraberry (Trend Area) | PluggedOil | 11,900 | Dec 12, 1990 | 2 | Mar 2026 |
| Parker J. E. #4542-003-02492 | Vin Fisher Operating Inc. only | AndrewsThree Bar (Devonian) | PluggedOil | 8,500 | Dec 7, 1990 | 1 | Apr 2026 |
| Block 11 Devonian Unit #21242-003-36842 | Maverick Permian LLC only | AndrewsBlock 11 (Devonian) | Shut inOil | 8,584 | Dec 5, 1990 | 1 | Apr 2026 |
| Goldsmith San Andres Unit #1059W42-135-20222 | Hilcorp Energy Company only | EctorGoldsmith | ActiveInjection | 4,280 | Dec 5, 1990 | 1 | Apr 2026 |
| Parker J. E. #3942-003-03016 | Vin Fisher Operating Inc. only | AndrewsThree Bar (Devonian) | ActiveInjection | 9,144 | Nov 28, 1990 | 1 | Apr 2026 |
| State of Texas -P- #142-003-00294 | WTG Exploration only | AndrewsBlock 12 | ActiveOil | 8,404 | Nov 27, 1990 | 1 | Apr 2026 |
| Parker J. E. #5142-003-36839 | Vin Fisher Operating Inc. only | AndrewsThree Bar (Devonian) | ActiveOil | 8,390 | Nov 26, 1990 | 1 | Apr 2026 |
| Parker J. E. #5242-003-36840 | Vin Fisher Operating Inc. only | AndrewsThree Bar (Devonian) | Shut inOil | 8,390 | Nov 26, 1990 | 1 | Apr 2026 |
| Block 11 Devonian Unit #120542-003-36828 | Maverick Permian LLC only | AndrewsBlock 11 (Devonian) | Shut inOil | 8,350 | Nov 16, 1990 | 1 | Apr 2026 |
| Bashara-Prothro #242-495-10243 | Formentera Operations LLC only | WinklerKeystone (Consolidated) | ActiveOil | 9,186 | Nov 15, 1990 | 2 | Apr 2026 |