| Uribe Pedro #142-505-30907 | Arco Oil & Gas Co. | Zapata, TXWildcat | PluggedGas | 11,500 | Sep 22, 1977 | — | — |
| Univ. 11 Sec. 1 #d 442-003-00456 | Arco Oil & Gas Co. | Andrews, TXMartin (Yates) | Not on scheduleGas | 3,634 | Sep 1, 1977 | — | — |
| Block 31 Gas Products Storage #142-103-31752 | Arco Oil & Gas Co. | Crane, TXWildcat | PluggedOil | 1,750 | Aug 19, 1977 | — | — |
| Killebrew Estate #142-393-30576 | Arco Oil & Gas Co. | Roberts, TXCarrie Killebrew (Morrow Oil) | PluggedOil | 9,600 | Jul 8, 1977 | — | — |
| Peters W.R. a #142-131-31917 | Arco Oil & Gas Co. | Duval, TXPeters (1650) | PluggedGas | 2,714 | Jul 7, 1977 | — | — |
| Martinez Mercurio #142-505-30505 | Arco Oil & Gas Co. | Zapata, TXPok - a - Dot (8600) | PluggedGas | 11,500 | Jul 7, 1977 | — | — |
| Univ. 11 Sec. 1 #c 342-003-00304 | Arco Oil & Gas Co. | Andrews, TXMartin (McKee) | PluggedOil | — | — | — | — |
| University 5 #4 U42-003-00313 | Arco Oil & Gas Co. | Andrews, TXMagutex (Miss.) | PluggedOil | — | — | — | — |
| Texu -S- #2 U42-003-00424 | Arco Oil & Gas Co. | Andrews, TXBlock 12 East (McKee) | PluggedOil | — | — | — | — |
| University 11 /Sec. 13/ #b 142-003-00434 | Arco Oil & Gas Co. | Andrews, TXGoldsmith N. (San Andres Con.) | Not on scheduleOil | — | — | — | — |
| University 11 /Sec. 13/ #b 2 L42-003-00453 | Arco Oil & Gas Co. | Andrews, TXMartin (Clear Fork South) | PluggedOil | — | — | — | — |
| University Section 10 de #142-003-01166 | Arco Oil & Gas Co. | Andrews, TXBlock 12 North (Devonian) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #13W42-003-01634 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #61W42-003-01715 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #3142-003-01731 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #142-003-03109 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #24W42-003-03139 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| Crews Jessie #142-003-05309 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Yates) | PluggedGas | — | — | — | — |
| McCrea L. H. #242-003-05324 | Arco Oil & Gas Co. | Andrews, TXFullerton | PluggedOil | — | — | — | — |
| Univ. #153 #3W42-003-05361 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Ellenburger) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #1442-003-05363 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #2742-003-05367 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| University 160 #242-003-05387 | Arco Oil & Gas Co. | Andrews, TXFullerton (8500) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #3042-003-05396 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #12W42-003-05399 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| Cobb Ora #1 L42-003-05406 | Arco Oil & Gas Co. | Andrews, TXAndrews (Pennsylvanian) | PluggedOil | — | — | — | — |
| Cowden Emma Tract -C- #3242-003-05444 | Arco Oil & Gas Co. | Andrews, TXEmma (Fusselman) | Not on scheduleOil | — | — | — | — |
| University 160 #1 U42-003-05455 | Arco Oil & Gas Co. | Andrews, TXFullerton South (Wolfcamp) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #5142-003-05459 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #52W42-003-05462 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #36W42-003-05465 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| University -212- #142-003-05475 | Arco Oil & Gas Co. | Andrews, TXEmma (Devonian) | Not on scheduleOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #6542-003-06602 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | PluggedOil | — | — | — | — |
| Shafter Lake SWD System #2D42-003-07313 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Ellenburger) | PluggedOil | — | — | — | — |
| Shafter Lake /Wolfcamp/ Unit #3842-003-83367 | Arco Oil & Gas Co. | Andrews, TXShafter Lake (Wolfcamp) | Not on scheduleOil | — | — | — | — |
| Henderson No. 1 #1 L42-013-00670 | Arco Oil & Gas Co. | Atascosa, TXFashing (Edwards Lime -B-) | PluggedGas | — | — | — | — |
| Smith Mary Carol Trust #3 L42-013-80387 | Arco Oil & Gas Co. | Atascosa, TXFashing (Edwards Lime -A-) | Not on scheduleOil | — | — | — | — |
| Brownsville Navigation Dist. #142-061-00137 | Arco Oil & Gas Co. | Cameron, TXVista del Mar (Miocene 7150) | PluggedGas | — | — | — | — |
| Bobbitt Margaret #142-065-80000 | Arco Oil & Gas Co. | Carson, TXBobbitt (Brown Dolo.) | PluggedGas | — | — | — | — |
| Oneal A. T. Gas Unit #142-073-00203 | Arco Oil & Gas Co. | Cherokee, TXP.L. (Travis Peak) | PluggedGas | — | — | — | — |
| Walnut Bend Field Unit No. 2 #1519W42-097-00966 | Arco Oil & Gas Co. | Cooke, TXWalnut Bend (Regular) | PluggedOil | — | — | — | — |
| Walnut Bend Field Unit No. 2 #152142-097-00968 | Arco Oil & Gas Co. | Cooke, TXWalnut Bend (Atkins) | PluggedOil | — | — | — | — |
| Walnut Bend Field Unit No. 2 #191642-097-01053 | Arco Oil & Gas Co. | Cooke, TXWalnut Bend (Regular) | PluggedOil | — | — | — | — |
| Walnut Bend Field Unit No. 2 #361 U42-097-01792 | Arco Oil & Gas Co. | Cooke, TXWalnut Bend (Hudspeth) | Not on scheduleOil | — | — | — | — |
| Walnut Bend Field Unit No. 2 #361 L42-097-01793 | Arco Oil & Gas Co. | Cooke, TXWalnut Bend (Regular) | PluggedOil | — | — | — | — |
| Walnut Bend Field Unit No. 2 #235242-097-02335 | Arco Oil & Gas Co. | Cooke, TXWalnut Bend (Regular) | PluggedOil | — | — | — | — |
| Marshall C. E. #6 L42-097-02386 | Arco Oil & Gas Co. | Cooke, TXBob-K (Hudspeth -B-) | PluggedOil | — | — | — | — |
| Walnut Bend Field Unit No. 2 #228 T42-097-02697 | Arco Oil & Gas Co. | Cooke, TXWalnut Bend (Hudspeth) | PluggedOil | — | — | — | — |
| Walnut Bend Field Unit No. 2 #3031 L42-097-02711 | Arco Oil & Gas Co. | Cooke, TXWalnut Bend (Regular) | PluggedOil | — | — | — | — |
| Cox D. A. #27 A42-097-02926 | Arco Oil & Gas Co. | Cooke, TXWalnut Bend (1500) | PluggedOil | — | — | — | — |