| Hinnant Fulbright W Gas Unit #311242-505-36623 | Killam Oil Co. Ltd. | Zapata, TXDavis S (2ND Hinnant) | ActiveGas | 10,071 | Aug 24, 2023 | — | — |
| Hinnant Fulbright W Gas Unit #361342-505-36630 | Killam Oil Co. Ltd. | Zapata, TXDavis S (2ND Hinnant) | ActiveGas | 10,218 | May 6, 2022 | — | — |
| Hinnant 307 C #342-505-35594 | Killam Oil Co. Ltd. | Zapata, TXDavis S. (8000) | ActiveGas | 9,700 | Feb 16, 2021 | — | — |
| Hinnant Heirs #401042-505-34628 | Killam Oil Co. Ltd. | Zapata, TXDavis S (2ND Hinnant) | Temporarily abandonedGas | 9,994 | Aug 23, 2012 | — | — |
| De Los Santos #142-505-35945 | Killam Oil Co. Ltd. | Zapata, TXJennings (Wilcox Consolidated) | Temporarily abandonedGas | 14,700 | Mar 16, 2011 | — | — |
| Hinnant Heirs B #301042-505-34486 | Killam Oil Co. Ltd. | Zapata, TXGlen South (Wilcox 9200) | PluggedGas | 9,800 | Jun 21, 2010 | — | — |
| Leo Gas Unit #142-505-36523 | Killam Oil Co. Ltd. | Zapata, TXJennings (Wilcox Consolidated) | ActiveGas | 9,000 | Jun 18, 2010 | — | — |
| Hinnant 613 #242-505-36474 | Killam Oil Co. Ltd. | Zapata, TXZwebb (10350) | PluggedGas | 13,000 | Dec 17, 2009 | — | — |
| Garza M.G. Gas Unit #542-505-36307 | Killam Oil Co. Ltd. | Zapata, TXJennings (Wilcox Consolidated) | PluggedGas | 15,000 | Sep 25, 2008 | — | — |
| De Los Santos #342-505-36224 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 13,000 | Jul 18, 2008 | — | — |
| Hinnant 613 #142-505-36101 | Killam Oil Co. Ltd. | Zapata, TXLeprechaun (3RD Puig) | PluggedGas | 10,500 | Feb 13, 2008 | — | — |
| De Los Santos #242-505-36068 | Killam Oil Co. Ltd. | Zapata, TXMunoz (Lobo) | ActiveGas | 14,850 | Jan 15, 2008 | — | — |
| Abelino #242-505-35988 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 12,820 | Sep 26, 2007 | — | — |
| Hinnant Heirs B #11042-505-31200 | Killam Oil Co. Ltd. | Zapata, TXAviators S. (9550) | ActiveGas | 10,412 | Dec 27, 2006 | — | — |
| Garza M.G. Gas Unit #442-505-35736 | Killam Oil Co. Ltd. | Zapata, TXJennings (Wilcox Consolidated) | Temporarily abandonedGas | 8,871 | Nov 10, 2006 | — | — |
| Thomasma #742-505-34275 | Killam Oil Co. Ltd. | Zapata, TXDavis S. (8000) | PluggedGas | 9,800 | Aug 4, 2006 | — | — |
| Hinnant Fulbright a Gas Unit #142-505-35653 | Killam Oil Co. Ltd. | Zapata, TXWildcat | PluggedGas | 6,500 | Aug 1, 2006 | — | — |
| M. G. Garza Gas Unit #342-505-35554 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | Temporarily abandonedGas | 11,895 | Apr 3, 2006 | — | — |
| Bernardo Bustamante G. U. #442-505-35049 | Killam Oil Co. Ltd. | Zapata, TXJennings (Wilcox Consolidated) | Temporarily abandonedGas | 11,680 | Feb 3, 2006 | — | — |
| Bernardo Bustamante G.U. #542-505-35402 | Killam Oil Co. Ltd. | Zapata, TXJennings (Wilcox Consolidated) | Temporarily abandonedGas | 9,204 | Oct 21, 2005 | — | — |
| De Gracia Heirs #442-505-35248 | Killam Oil Co. Ltd. | Zapata, TXMunoz (Lobo) | ActiveGas | 13,755 | Mar 31, 2005 | — | — |
| Garza Luisa B. #142-505-35184 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | PluggedGas | 14,500 | Jan 11, 2005 | — | — |
| Bruni Mineral Trust 15 #542-505-35166 | Killam Oil Co. Ltd. | Zapata, TXZwebb (10350) | PluggedGas | 13,000 | Dec 13, 2004 | — | — |
| Bustamante Heirs #242-505-35103 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 12,855 | Sep 24, 2004 | — | — |
| Bruni Mineral Trust 15 #442-505-35073 | Killam Oil Co. Ltd. | Zapata, TXZwebb (10350) | PluggedGas | 13,000 | Aug 10, 2004 | — | — |
| M. G. Garza G. U. #242-505-34991 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 13,908 | Apr 23, 2004 | — | — |
| Gutierrez T. #142-505-34977 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 13,950 | Apr 8, 2004 | — | — |
| Bruni Mineral Trust 15 #342-505-34896 | Killam Oil Co. Ltd. | Zapata, TXZwebb (10350) | PluggedGas | 13,000 | Dec 30, 2003 | — | — |
| Abelino #142-505-32479 | Killam Oil Co. Ltd. | Zapata, TXBustamante South (Wilcox) | PluggedGas | 15,500 | Dec 16, 2003 | — | — |
| Bernardo Bustamante G.U. #342-505-34888 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | Temporarily abandonedGas | 12,132 | Dec 16, 2003 | — | — |
| Bernardo Bustamante G. U. #242-505-34857 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | ActiveGas | 11,800 | Nov 3, 2003 | — | — |
| Bustamante G.U. Bernardo #142-505-34620 | Killam Oil Co. Ltd. | Zapata, TXHaynes (Middle Wilcox Cons.) | Temporarily abandonedGas | 12,034 | Oct 29, 2002 | — | — |
| Texaco (MF) 181 #142-505-34113 | Killam Oil Co. Ltd. | Zapata, TXDavis S. (4800) | PluggedGas | 6,000 | Apr 5, 2000 | — | — |
| Fulbright J. E. #2 T42-505-30571 | Killam Oil Co. Ltd. | Zapata, TXDavis S. (5500) | PluggedGas | 5,710 | Jun 29, 1998 | — | — |
| Hinnant Sur. 307 #c 242-505-33780 | Killam Oil Co. Ltd. | Zapata, TXAviators S. (9550) | PluggedGas | 10,000 | Mar 30, 1998 | — | — |
| Vela L. E. #542-505-33476 | Killam Oil Co. Ltd. | Zapata, TXEl Grullo (8900) | PluggedGas | 11,000 | Sep 12, 1996 | — | — |
| Hinnant Heirs #201042-505-33092 | Killam Oil Co. Ltd. | Zapata, TXAviators South (Wilcox 10600) | ActiveGas | 10,808 | Sep 29, 1993 | — | — |
| De Gracia Heirs #3 C42-505-32490 | Killam Oil Co. Ltd. | Zapata, TXHorseshoe Ridge (1ST Hinnant) | PluggedGas | 9,000 | Nov 21, 1991 | — | — |
| Cuellar F. #2 C42-505-32513 | Killam Oil Co. Ltd. | Zapata, TXJennings (Wilcox Consolidated) | PluggedGas | 10,000 | Oct 30, 1991 | — | — |
| Trevino A. #206542-505-32739 | Killam Oil Co. Ltd. | Zapata, TXHorseshoe Ridge (1ST Hinnant) | PluggedGas | 9,600 | Nov 27, 1990 | — | — |
| Martinez A. #142-505-32616 | Killam Oil Co. Ltd. | Zapata, TXLaredo (6800) | PluggedGas | 9,000 | Jul 13, 1990 | — | — |
| De Garcia Heirs #142-505-32298 | Killam Oil Co. Ltd. | Zapata, TXHorseshoe Ridge (1ST Hinnant) | PluggedGas | 10,000 | Apr 4, 1990 | — | — |
| Gutierrez #342-505-32527 | Killam Oil Co. Ltd. | Zapata, TXEl Huerfano (10800) | PluggedGas | 15,000 | Feb 9, 1989 | — | — |
| Bruni Mineral Trust #101542-505-30914 | Killam Oil Co. Ltd. | Zapata, TXDavis S. (4800) | PluggedGas | 6,000 | Dec 20, 1988 | — | — |
| Bruni Mineral Trust #103742-505-31172 | Killam Oil Co. Ltd. | Zapata, TXDavis S. (5000) | PluggedGas | 6,000 | Dec 20, 1988 | — | — |
| San Martin #542-505-32509 | Killam Oil Co. Ltd. | Zapata, TXEl Huerfano (10800) | PluggedGas | 16,000 | Dec 12, 1988 | — | — |
| Cuellar F. #142-505-32352 | Killam Oil Co. Ltd. | Zapata, TXJennings (Wilcox Consolidated) | PluggedGas | 9,500 | Jun 24, 1988 | — | — |
| Bustamante Heirs #142-505-32452 | Killam Oil Co. Ltd. | Zapata, TXCamaron Grande (11 800) | Temporarily abandonedGas | 14,300 | May 2, 1988 | — | — |
| De Gracia Heirs #242-505-32436 | Killam Oil Co. Ltd. | Zapata, TXPronto (Lobo) | PluggedGas | 15,000 | Mar 18, 1988 | — | — |
| Garza M.G. G.U. #142-505-32316 | Killam Oil Co. Ltd. | Zapata, TXCamaron Grande (11 800) | ActiveGas | 12,720 | Feb 3, 1988 | — | — |