| Moore #142-065-00951 | Conoco Inc. | Carson, TXPanhandle West | PluggedGas | 3,065 | Aug 9, 2004 | — | — |
| Hubberd F #142-479-36656 | Conoco Inc. | Webb, TXLaredo (5680) | PluggedGas | 9,827 | Nov 17, 2000 | — | — |
| La Perla #21042-505-34093 | Conoco Inc. | Zapata, TXLa Perla (Lobo Cons.) | PluggedGas | 11,000 | Feb 25, 2000 | — | — |
| St. Charles Ranch Company #8542-007-30841 | Conoco Inc. | Aransas, TXSt. Charles (Frio Cons. Upper) | PluggedGas | 12,450 | Apr 22, 1999 | — | — |
| Alley #142-479-35819 | Conoco Inc. | Webb, TXDix Ranch (6200) | PluggedOil | 8,400 | Jun 2, 1998 | — | — |
| Lechenger #5342-479-36985 | Conoco Inc. | Webb, TXBenavides (Lobo Cons.) | PluggedGas | 10,400 | Jun 2, 1998 | — | — |
| Lechenger #4842-479-36968 | Conoco Inc. | Webb, TXBenavides (Lobo Cons.) | PluggedGas | 10,200 | May 15, 1998 | — | — |
| I.R. Gaona #142-479-36930 | Conoco Inc. | Webb, TXBenavides (Lobo Cons.) | PluggedGas | 9,200 | Apr 8, 1998 | — | — |
| Briones E. L. #642-505-33715 | Conoco Inc. | Zapata, TXLa Perla (Lobo Cons.) | PluggedGas | 10,000 | Nov 24, 1997 | — | — |
| Lechenger #3342-479-36816 | Conoco Inc. | Webb, TXBenavides (Lobo Cons.) | PluggedGas | 9,100 | Nov 14, 1997 | — | — |
| Vergara #2042-479-36773 | Conoco Inc. | Webb, TXVaquillas Ranch (Lobo Cons.) | PluggedGas | 10,000 | Oct 6, 1997 | — | — |
| Gutierrez B. G. #842-505-33037 | Conoco Inc. | Zapata, TXHundido (Lobo) | PluggedGas | 11,400 | Sep 29, 1997 | — | — |
| Briones E. L. #442-505-33538 | Conoco Inc. | Zapata, TXLa Perla (Lobo Cons.) | PluggedGas | 10,100 | Jan 15, 1997 | — | — |
| St. Charles Co. #6242-007-30117 | Conoco Inc. | Aransas, TXSt. Charles (Frio Cons. Lower) | PluggedGas | 12,000 | Dec 31, 1996 | — | — |
| Creek Ranch 58 #142-443-30453 | Conoco Inc. | Terrell, TXK M (Wolfcamp) | PluggedGas | 11,000 | Dec 9, 1996 | — | — |
| Lundell #5342-479-34512 | Conoco Inc. | Webb, TXVaquillas Ranch (Lobo Cons.) | PluggedGas | 11,000 | Oct 17, 1996 | — | — |
| Vergara G.B. #1242-479-36465 | Conoco Inc. | Webb, TXGato Creek (Lobo 1) | PluggedGas | 10,500 | Mar 20, 1996 | — | — |
| Creek Ranch 57 #342-443-30611 | Conoco Inc. | Terrell, TXK M SW. (Wolfcamp) | PluggedOil | 14,000 | Feb 16, 1996 | — | — |
| Slick T.B. E-537 #2842-427-30587 | Conoco Inc. | Starr, TXRincon (a-2 Frio) | PluggedGas | 5,510 | Mar 22, 1995 | — | — |
| Davenport D. State #21 C42-427-32745 | Conoco Inc. | Starr, TXWildcat | PluggedGas | 8,200 | Mar 17, 1995 | — | — |
| Whittier Helen Company #142-505-31819 | Conoco Inc. | Zapata, TXRoleta (Wilcox Consolidated) | PluggedGas | 9,500 | Feb 22, 1995 | — | — |
| Creek Ranch 57 #142-443-30535 | Conoco Inc. | Terrell, TXK M SW. (Wolfcamp) | PluggedOil | 14,000 | Jan 6, 1995 | — | — |
| Harper a #242-479-36249 | Conoco Inc. | Webb, TXBlack Creek (Lobo) | PluggedGas | 9,600 | Dec 30, 1994 | — | — |
| Independence 22 #142-443-30528 | Conoco Inc. | Terrell, TXLittle Mesa (Wolfcamp) | PluggedOil | 14,000 | Dec 20, 1994 | — | — |
| Chittim N.J. #369942-323-20253 | Conoco Inc. | Maverick, TXSacatosa (Olmos) | PluggedGas | 1,120 | Sep 28, 1994 | — | — |
| Slick T.B. Estate B #10642-427-01521 | Conoco Inc. | Starr, TXRincon (a-2 Frio) | PluggedGas | 4,255 | Sep 21, 1994 | — | — |
| Independence 24 #142-443-30496 | Conoco Inc. | Terrell, TXLittle Mesa (Wolfcamp) | PluggedOil | 14,000 | Sep 1, 1994 | — | — |
| St. Charles Co. #2142-007-00040 | Conoco Inc. | Aransas, TXSt. Charles N. (B-1) | PluggedGas | 11,533 | Jun 28, 1994 | — | — |
| Slick T. B. Estate a #16442-427-32508 | Conoco Inc. | Starr, TXFrost North (Rincon) | PluggedGas | 7,600 | May 20, 1994 | — | — |
| Creek Ranch 1 #142-443-30451 | Conoco Inc. | Terrell, TXK M (Wolfcamp) | PluggedGas | 14,000 | May 11, 1994 | — | — |
| Vaquillas Ranch A4 #12342-479-36082 | Conoco Inc. | Webb, TXVaquillas Ranch (Wilcox 11 100) | PluggedGas | 12,700 | Apr 18, 1994 | — | — |
| Halamicek J. A. Trust #142-481-33613 | Conoco Inc. | Wharton, TXAlwan (Frio 4360) | PluggedGas | 5,200 | Mar 8, 1994 | — | — |
| Carr B #242-479-35320 | Conoco Inc. | Webb, TXVaquillas Ranch (Lobo Cons.) | PluggedGas | 9,400 | Feb 25, 1994 | — | — |
| Weinheimer E.A.-Grady Trust Unit #242-481-33540 | Conoco Inc. | Wharton, TXEl Campo North (Miocene) | PluggedGas | 10,100 | Feb 9, 1994 | — | — |
| Vela-Lopena Minerals #142-505-33139 | Conoco Inc. | Zapata, TXRoleta (Wilcox Consolidated) | PluggedGas | 13,800 | Dec 20, 1993 | — | — |
| Vaquillas Ranch A2 #7442-479-35072 | Conoco Inc. | Webb, TXVaquillas Ranch (Yarsa) | PluggedGas | 10,500 | Dec 16, 1993 | — | — |
| Hutchins Pearson Estate #142-481-33541 | Conoco Inc. | Wharton, TXAlwan West (Frio 4630) | PluggedGas | 6,000 | Nov 8, 1993 | — | — |
| Briones E.L. #142-505-33109 | Conoco Inc. | Zapata, TXLa Perla (Lobo Cons.) | PluggedGas | 9,800 | Oct 26, 1993 | — | — |
| St. Charles Co. #2442-007-00032 | Conoco Inc. | Aransas, TXSt. Charles (Frio Cons. Upper) | PluggedGas | 11,119 | Oct 7, 1993 | — | — |
| Vaquillas Ranch B1 #5442-479-34020 | Conoco Inc. | Webb, TXBarnsley (Lobo) | PluggedGas | 13,000 | Aug 26, 1993 | — | — |
| Carr B #442-479-35887 | Conoco Inc. | Webb, TXVaquillas Ranch (Lobo Cons.) | PluggedGas | 9,100 | Aug 3, 1993 | — | — |
| St. Charles Ranch #7842-007-30808 | Conoco Inc. | Aransas, TXWildcat | PluggedGas | 8,700 | Jul 20, 1993 | — | — |
| Townsend Unit #142-481-33637 | Conoco Inc. | Wharton, TXAlwan West (Yegua 6900) | PluggedGas | 7,830 | May 13, 1993 | — | — |
| Carr B #542-479-35788 | Conoco Inc. | Webb, TXVaquillas Ranch (Lobo Cons.) | PluggedGas | 9,300 | Mar 31, 1993 | — | — |
| Vergara G.B. #942-479-34238 | Conoco Inc. | Webb, TXGato Creek (Lobo 1) | PluggedGas | 12,500 | Mar 3, 1993 | — | — |
| Hutchins-Pearson #242-481-33620 | Conoco Inc. | Wharton, TXAlwan West (Frio 4630) | PluggedGas | 5,450 | Feb 10, 1993 | — | — |
| Hagler #242-305-00102 | Conoco Inc. | Lynn, TXP. H. D. | PluggedOil | 4,150 | Jan 20, 1993 | — | — |
| Driscoll Robert #12942-131-32448 | Conoco Inc. | Duval, TXConoco Driscoll S. (Cole M NO) | PluggedGas | 3,335 | Jan 14, 1993 | — | — |
| Vaquillas Ranch C #342-479-35729 | Conoco Inc. | Webb, TXVaquillas Ranch (Lobo Cons.) | PluggedGas | 9,500 | Dec 16, 1992 | — | — |
| G.U. Vergara-Razor #742-479-35672 | Conoco Inc. | Webb, TXVaquillas Ranch (Lobo Cons.) | PluggedGas | 11,100 | Nov 18, 1992 | — | — |