| Brown-Altman Unit 38 #142-495-00558 | Arrington David H. Oil & Gas Inc only | WinklerEmperor (Devonian) | PluggedGas | — | — | 0 | — |
| Jenkins B.F. #1342-495-00578 | Formentera Operations LLC only | WinklerKeystone (Dev-McKee Cons) | ActiveOil | 8,879 | — | 0 | — |
| Keystone Cattle Co. #7242-495-01152 | Mineral Technologies Inc. only | WinklerKeystone (Devonian) | Shut inOil | 7,575 | — | 0 | — |
| Keystone Cattle Co. #7942-495-01159 | Mineral Technologies Inc. only | WinklerKeystone (Devonian) | Shut inOil | 8,040 | — | 0 | — |
| Keystone Silurian Unit #5242-495-01163 | Hilcorp Energy Company only | WinklerKeystone (Dev-McKee Cons) | ActiveOil | 8,040 | — | 0 | — |
| Keystone Cattle Co. #89W42-495-01169 | Mineral Technologies Inc. only | WinklerKeystone (Devonian) | Shut inOil | 10,015 | — | 0 | — |
| Keystone Silurian Unit #5342-495-01189 | Hilcorp Energy Company only | WinklerKeystone (Dev-McKee Cons) | Shut inOil | 8,040 | — | 0 | — |
| Waddell #842-495-01232 | Formentera Operations LLC only | WinklerKeystone (San Andres) | Shut inOil | 10,060 | — | 0 | — |
| Keystone Cattle Co. #92W42-495-01246 | Mineral Technologies Inc. only | WinklerKeystone (Devonian) | Shut inOil | 10,971 | — | 0 | — |
| Keystone Silurian Unit #5142-495-01259 | Hilcorp Energy Company only | WinklerKeystone (Dev-McKee Cons) | ActiveOil | 9,928 | — | 0 | — |
| Waddell #109W42-495-01263 | Formentera Operations LLC only | WinklerKeystone (Dev-McKee Cons) | PluggedOil | — | — | 0 | — |
| Waddell #11142-495-01265 | Formentera Operations LLC only | WinklerKeystone (San Andres) | Shut inOil | 4,800 | — | 0 | — |
| Keystone Cattle Co. #11942-495-01273 | Pennzoil Exploration & Prod. Co. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Keystone Silurian Unit #12W42-495-01282 | XTO Energy Inc. only | WinklerKeystone (Silurian) | PluggedOil | — | — | 0 | — |
| Keystone Cattle Co. #15942-495-01312 | Pennzoil Exploration & Prod. Co. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Keystone Cattle Co. #16042-495-01313 | Bopco L.P. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Waddell #18242-495-01334 | Formentera Operations LLC only | WinklerKeystone (Dev-McKee Cons) | Shut inOil | 8,040 | — | 0 | — |
| Waddell 184 #18442-495-01336 | Saddleback Exploration LLC only | WinklerKermit South (Devonian-Oil) | PluggedGas | — | — | 0 | — |
| Keystone Cattle Co. #19042-495-01341 | Mineral Technologies Inc. only | WinklerKeystone (Devonian) | Shut inOil | 8,040 | — | 0 | — |
| Waddell #193W42-495-01343 | Blackbeard Operating LLC only | WinklerKeystone (Devonian) | Not on scheduleOil | — | — | 0 | — |
| Keystone Cattle Co. #19442-495-01344 | Pennzoil Exploration & Prod. Co. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Keystone Cattle Co. #19842-495-01347 | Pennzoil Exploration & Prod. Co. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Waddell #199D42-495-01348 | Formentera Operations LLC only | WinklerKeystone (Dev-McKee Cons) | Shut inOil | 8,040 | — | 0 | — |
| Waddell #201W42-495-01350 | Formentera Operations LLC only | WinklerKeystone (Dev-McKee Cons) | Shut inOil | 8,205 | — | 0 | — |
| Keystone Cattle Co. #202W42-495-01351 | Pennzoil Exploration & Prod. Co. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Keystone Cattle Co. #20442-495-01353 | Pennzoil Exploration & Prod. Co. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Waddell #20542-495-01354 | Blackbeard Operating LLC only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Keystone Cattle Co. #207W42-495-01356 | Pennzoil Exploration & Prod. Co. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Keystone Cattle Co. #208W42-495-01357 | Pennzoil Exploration & Prod. Co. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Keystone Cattle Co. #20942-495-01358 | Pennzoil Exploration & Prod. Co. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Keystone Cattle Co. #21542-495-01363 | Pennzoil Exploration & Prod. Co. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Keystone Cattle Co. #21642-495-01364 | Pennzoil Exploration & Prod. Co. only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Sealy-Smith Foundation -I- #1 T42-495-01870 | Ring Energy Inc. only | WinklerHalley (Devonian) | Temporarily abandonedGas | 12,132 | — | 0 | — |
| Bashara -D- #1D42-495-01886 | Phillips Petroleum Company only | WinklerKeystone (Devonian) | PluggedOil | — | — | 0 | — |
| Campbell Seth #30 U42-495-02014 | Texaco E & P Inc. only | WinklerKermit South (Devonian-Oil) | PluggedGas | — | — | 0 | — |
| Brown & Altman Gas Unit No. 2 #1 U42-495-02059 | XTO Energy Inc. only | WinklerEmperor (Devonian) | PluggedGas | — | — | 0 | — |
| Brown-Altman Cons Gas Unit No. 8 #242-495-02060 | Hilcorp Energy Company only | WinklerEmperor (Devonian) | Temporarily abandonedGas | 11,535 | — | 0 | — |
| Brown & Altman Gas Unit No. 3 #142-495-02072 | Hilcorp Energy Company only | WinklerEmperor (Devonian) | ActiveGas | 11,550 | — | 0 | — |
| Brown & Altman Gas Unit No. 5 #1 U42-495-02073 | Hilcorp Energy Company only | WinklerEmperor (Devonian) | ActiveGas | 11,500 | — | 0 | — |
| Brown & Altman Gas Unit No. 7 #142-495-02075 | Hilcorp Energy Company only | WinklerEmperor (Devonian) | Temporarily abandonedGas | 9,435 | — | 0 | — |
| Keystone Silurian Unit #4442-495-02273 | Hilcorp Energy Company only | WinklerKeystone (Dev-McKee Cons) | ActiveOil | 8,100 | — | 0 | — |
| McCutchen W. A. -B- #10 T42-495-02275 | Exxon Corp. only | WinklerKeystone (Devonian) | Not on scheduleOil | — | — | 0 | — |
| Waddell Bros. & Co. #2D42-495-02292 | Formentera Operations LLC only | WinklerCircle 2 (Fusselman) | PluggedOil | — | — | 0 | — |
| Waddell Bros. & Co. #1 C42-495-02293 | Formentera Operations LLC only | WinklerCircle 2 (Fusselman) | PluggedOil | — | — | 0 | — |
| Winkler Fee #142-495-02749 | Cimarex Energy Co. of Colorado only | WinklerG & W (Devonian) | PluggedOil | — | — | 0 | — |
| State Walton -E- #30 L42-495-02900 | Formentera Operations LLC only | WinklerKermit (Ellenburger) | ActiveOil | 10,503 | — | 0 | — |
| 31 U42-495-02901 | Mobil Oil Corporation only | WinklerKermit (Fusselman) | Not on scheduleGas | — | — | 0 | — |
| Brown-Altman #22 U42-495-03297 | Hilcorp Energy Company only | WinklerEmperor (Devonian) | ActiveGas | 11,323 | — | 0 | — |
| Hendrick Operating Area -C- #1 U42-495-03317 | Hilcorp Energy Company only | WinklerEmperor (Devonian) | ActiveGas | 11,324 | — | 0 | — |
| 1 L42-495-03362 | Amoco Production Co.-Andrews only | WinklerEmperor (Devonian) | Not on scheduleGas | — | — | 0 | — |