| Dominguez D.B. #142-505-32183 | Enron Oil & Gas Company | Zapata, TXRoleta (8150) | PluggedGas | 10,000 | Jun 17, 1987 | — | — |
| Vela Consuelo G. #342-505-32330 | Enron Oil & Gas Company | Zapata, TXRoleta (Wilcox Lower) | PluggedGas | 10,200 | May 27, 1987 | — | — |
| Hirsch Estate 1771 #142-479-33701 | Enron Oil & Gas Company | Webb, TXBig Cowboy (Lobo) | PluggedGas | 10,000 | Apr 29, 1987 | — | — |
| Hein A. O. #242-505-30486 | Enron Oil & Gas Company | Zapata, TXLa Perla (Wilcox Fifth) | PluggedGas | 9,669 | Apr 29, 1987 | — | — |
| Arroyo Leon Gas Unit #142-505-32310 | Enron Oil & Gas Company | Zapata, TXRoleta (Wilcox Lower) | PluggedGas | 9,400 | Apr 16, 1987 | — | — |
| Lemley-Red Mud Creek 324 #142-033-30935 | Enron Oil & Gas Company | Borden, TXMyrtle West (Ellen.) | PluggedOil | 8,500 | Mar 18, 1987 | — | — |
| Sabinito Gas Unit #142-505-32297 | Enron Oil & Gas Company | Zapata, TXRoleta (Wilcox Lower) | PluggedGas | 10,050 | Mar 11, 1987 | — | — |
| Chapman Heirs a #114242-355-31369 | Enron Oil & Gas Company | Nueces, TXArnold-David (10 400 C) | PluggedGas | 10,800 | Feb 26, 1987 | — | — |
| Lopez C.V. #442-505-32293 | Enron Oil & Gas Company | Zapata, TXRoleta (Wilcox Lower) | PluggedGas | 10,000 | Feb 24, 1987 | — | — |
| Benavides Rosa V. 1927 #242-479-34476 | Enron Oil & Gas Company | Webb, TXContempo (Lobo) | PluggedGas | 10,500 | Feb 5, 1987 | — | — |
| Norfleet A.V. #142-479-32275 | Enron Oil & Gas Company | Webb, TXBig Cowboy (Wilcox 6000) | PluggedGas | 7,000 | Jan 30, 1987 | — | — |
| Vaquillas Ranch 1646 #342-479-34470 | Enron Oil & Gas Company | Webb, TXVaquillas Ranch (Lobo) | PluggedGas | 10,400 | Jan 26, 1987 | — | — |
| Chapman Heirs a #132242-355-31818 | Enron Oil & Gas Company | Nueces, TXArnold-David (9400) | PluggedGas | 10,700 | Dec 15, 1986 | — | — |
| Vaquillas Ranch 135 #242-479-34455 | Enron Oil & Gas Company | Webb, TXCarr (Lobo) | PluggedGas | 10,800 | Dec 11, 1986 | — | — |
| Garcia Salvador #942-505-32151 | Enron Oil & Gas Company | Zapata, TXRoleta (8150) | PluggedGas | 9,800 | Dec 10, 1986 | — | — |
| Vaquillas Ranch Co. Ltd. 1627 #242-479-34442 | Enron Oil & Gas Company | Webb, TXVaquillas Ranch (Lobo) | PluggedGas | 10,400 | Nov 10, 1986 | — | — |
| Mendoza E.G. #242-505-32258 | Enron Oil & Gas Company | Zapata, TXRoleta (9400) | PluggedGas | 11,350 | Nov 6, 1986 | — | — |
| Martinez L. #442-505-32244 | Enron Oil & Gas Company | Zapata, TXJ J & J (Lobo) | PluggedGas | 12,900 | Oct 8, 1986 | — | — |
| Vela Serapio Heirs GU D #1542-505-32241 | Enron Oil & Gas Company | Zapata, TXRoleta (Wilcox Lower) | PluggedGas | 9,900 | Oct 7, 1986 | — | — |
| Hirsch Estate 2094 #442-479-34419 | Enron Oil & Gas Company | Webb, TXBig Cowboy (Lobo) | PluggedGas | 10,000 | Sep 12, 1986 | — | — |
| Garcia Salvador #1342-505-32231 | Enron Oil & Gas Company | Zapata, TXRoleta (7483) | PluggedGas | 10,200 | Sep 11, 1986 | — | — |
| San Ygnacio Unit #242-505-32220 | Enron Oil & Gas Company | Zapata, TXSan Ygnacio (Wilcox) | PluggedGas | 10,000 | Aug 11, 1986 | — | — |
| Harrell-May Unit #142-025-32105 | Enron Oil & Gas Company | Bee, TXStrauch-Wilcox (Slick 8000) | PluggedGas | 11,500 | May 30, 1986 | — | — |
| Vela Serapio Heirs B #1142-505-32184 | Enron Oil & Gas Company | Zapata, TXRoleta (8150) | PluggedGas | 10,000 | Mar 25, 1986 | — | — |
| Voss W. A. #142-025-30527 | Enron Oil & Gas Company | Bee, TXMineral South (1100) | PluggedGas | 4,920 | Jan 22, 1986 | — | — |
| Killam - Hurd - Amoco #1942-479-34249 | Enron Oil & Gas Company | Webb, TXUmbrella North (Lobo Cons.) | PluggedGas | 7,300 | Sep 19, 1985 | — | — |
| Lincoln W.P. 1312 #142-479-32884 | Enron Oil & Gas Company | Webb, TXBig Cowboy (Lobo) | PluggedGas | 10,000 | Sep 13, 1985 | — | — |
| Miller -137- #a 142-475-31692 | Enron Oil & Gas Company | Ward, TXRhoda Walker (Canyon 5900) | PluggedOil | 20,713 | Sep 10, 1985 | — | — |
| State Tract 449-L (NW/4) #3 L42-704-30252 | Enron Oil & Gas Company | Brazos-LB, TXBrazos Block 449 (-E- Sand) | PluggedGas | 10,000 | Jul 9, 1985 | — | — |
| Baptist Foundation-Sexton #142-175-32050 | Enron Oil & Gas Company | Goliad, TXDallas Husky (Wilcox 12600) | PluggedGas | 16,600 | Jun 6, 1985 | — | — |
| Bruni Mineral B #442-479-33216 | Enron Oil & Gas Company | Webb, TXJuanita (Lobo) | PluggedGas | 11,000 | Apr 17, 1985 | — | — |
| Gohlke Naomi W. Gas Unit #342-123-30100 | Enron Oil & Gas Company | De Witt, TXYorktown South (Frio 2440) | PluggedGas | 7,612 | Mar 27, 1985 | — | — |
| Laurel Sergio #442-505-32028 | Enron Oil & Gas Company | Zapata, TXJennings Ranch (Wilcox 9100) | PluggedGas | 10,350 | Feb 18, 1985 | — | — |
| State Tract 449-L (NW-4) #1 L42-704-30243 | Enron Oil & Gas Company | Brazos-LB, TXBrazos Block 449 (-E- Sand) | PluggedGas | 10,000 | Feb 12, 1985 | — | — |
| Espy 32 #342-435-32106 | Enron Oil & Gas Company | Sutton, TXSawyer (Wolfcamp) | PluggedGas | 6,200 | Jan 22, 1985 | — | — |
| Hirsch Estate 537 #342-479-34076 | Enron Oil & Gas Company | Webb, TXBig Cowboy (Lobo) | PluggedGas | 10,100 | Dec 21, 1984 | — | — |
| Lemley-Red Mud Creek 324 #242-033-31093 | Enron Oil & Gas Company | Borden, TXRed Mud Creek (Strawn) | PluggedOil | 8,800 | Nov 2, 1984 | — | — |
| Dix Ranch a #1761B42-479-33814 | Enron Oil & Gas Company | Webb, TXDix Ranch (Lower Wilcox Lobo) | PluggedGas | 9,000 | Jan 25, 1984 | — | — |
| Hirsch Estate 240 #a 242-479-33775 | Enron Oil & Gas Company | Webb, TXJuanita (Lobo) | PluggedGas | 10,500 | Dec 2, 1983 | — | — |
| Hubberd GG #142-479-32474 | Enron Oil & Gas Company | Webb, TXLiz (8700) | PluggedGas | 10,500 | Oct 4, 1983 | — | — |
| Killam-Hurd-Amoco #1442-479-33711 | Enron Oil & Gas Company | Webb, TXLake Casa Blanca (O Keefe) | PluggedGas | 8,000 | Sep 23, 1983 | — | — |
| Vaquillas Ranch 1646 #142-479-33104 | Enron Oil & Gas Company | Webb, TXCarr (Lobo) | PluggedGas | 9,420 | Sep 9, 1983 | — | — |
| Vaquillas Ranch-State 1194 #142-479-33677 | Enron Oil & Gas Company | Webb, TXBig Cowboy (Lobo) | PluggedGas | 10,000 | Aug 19, 1983 | — | — |
| Vaquillas Ranch Co Ltd. 1953 #142-479-33666 | Enron Oil & Gas Company | Webb, TXBig Cowboy (Lobo) | PluggedGas | 10,000 | Jul 25, 1983 | — | — |
| Hirsch Estate 537 #242-479-33647 | Enron Oil & Gas Company | Webb, TXBig Cowboy (Lobo) | PluggedGas | 9,500 | Jul 7, 1983 | — | — |
| Dix Ranch State B #342A42-479-33637 | Enron Oil & Gas Company | Webb, TXDix Ranch (Lower Wilcox Lobo) | PluggedGas | 9,000 | Jun 15, 1983 | — | — |
| Killam-Hurd-Amoco Uisd GU #142-479-33631 | Enron Oil & Gas Company | Webb, TXDel Mar (Lobo Cons.) | PluggedGas | 7,500 | Jun 8, 1983 | — | — |
| Chapman Heirs a #132142-355-31619 | Enron Oil & Gas Company | Nueces, TXArnold-David (9100 SD) | PluggedGas | 10,900 | Apr 28, 1983 | — | — |
| First National Bank of Dallas #142-461-30415 | Enron Oil & Gas Company | Upton, TXSpraberry (Trend Area CL. Fk.) | PluggedOil | 8,715 | Mar 16, 1983 | — | — |
| Killam & Hurd-Amoco #642-479-33480 | Enron Oil & Gas Company | Webb, TXLake Casa Blanca (Hirsch Lower) | PluggedGas | 7,500 | Nov 23, 1982 | — | — |