| Benavides Trust #1442-505-35798 | Merit Energy Company only | ZapataHundido (Lobo) | ActiveGas | 11,250 | Jan 23, 2018 | 2 | Aug 2026 |
| Alexander Maureen #642-505-35830 | Mountain V Texas LLC only | ZapataUrebeno South (Wilcox 5900) | ActiveGas | 9,350 | Dec 14, 2017 | 2 | Aug 2026 |
| Hal Lopeno #342-505-36611 | Varas Energy Operating Company only | ZapataLopeno ( Queen City Oil) | Shut inOil | 3,000 | Nov 21, 2017 | 1 | Jun 2026 |
| Hal Lopeno #442-505-36612 | Bluestone Natural Res. II, LLCpermitted by · no operator of record | ZapataLopeno ( Queen City Oil) | Not on schedule | 3,500 | Nov 21, 2017 | 1 | — |
| Hal Lopeno #242-505-36610 | Varas Energy Operating Company only | ZapataLopeno ( Queen City Oil) | Shut inOil | 2,912 | Nov 16, 2017 | 1 | Jun 2026 |
| Hal Lopeno #142-505-36609 | Varas Energy Operating Company only | ZapataLopeno ( Queen City Oil) | Shut inOil | 2,957 | Sep 21, 2017 | 1 | Jun 2026 |
| Jennings J. D. #44842-505-33503 | Sue-Ann Operating L.C. only | ZapataJennings W. (Queen City NO 2) | Shut inOil | 5,500 | Jul 21, 2017 | 2 | Aug 2026 |
| Slator Ranch #4142-505-35782 | Bordertown Energy Resources LLC only | ZapataStirling (Wilcox Consolidated) | ActiveGas | 11,500 | May 3, 2017 | 2 | Aug 2026 |
| Cassin Edward a #0342-505-35285 | Hilcorp Energy Company only | ZapataLas Lomas (Wilcox 7800) | ActiveGas | 12,005 | Feb 17, 2017 | 3 | Aug 2026 |
| Lopez Lauro Mineral Trust #142-505-33941 | Hilcorp Energy Company only | ZapataEl Grullo (7780) | Shut inGas | 14,050 | Jan 24, 2017 | 3 | May 2010 |
| Ramon C #142-505-35711 | Hilcorp Energy Company only | ZapataExsun (Lobo Cons.) | ActiveGas | 9,600 | Oct 31, 2016 | 2 | Aug 2026 |
| Martinez E.T. #442-505-31136 | Hilcorp Energy Company only | ZapataLa Perla (Wilcox 6800) | ActiveGas | 8,737 | Sep 13, 2016 | 3 | Aug 2026 |
| Laurel O. M. Estate #1842-505-35850 | Hilcorp Energy Company only | ZapataJennings Ranch (Lobo Cons.) | ActiveGas | 12,300 | Aug 30, 2016 | 2 | Aug 2026 |
| Serafin #142-505-31186 | Hilcorp Energy Company only | ZapataSerafin (Wilcox 5800) | ActiveGas | 9,808 | Aug 10, 2016 | 3 | Aug 2026 |
| Carrillo O. P. #142-505-33065 | Hilcorp Energy Company only | ZapataLa Perla (Lobo Cons.) | Temporarily abandonedGas | 9,700 | Aug 10, 2016 | 3 | Oct 2017 |
| Haynes-North #1042-505-36162 | Hilcorp Energy Company only | ZapataMunoz (Lobo) | ActiveGas | 14,600 | Aug 9, 2016 | 2 | Aug 2026 |
| Vela Serapio Heirs B #142-505-31072 | Hilcorp Energy Company only | ZapataRoleta (Wilcox Consolidated) | Temporarily abandonedGas | 8,352 | Aug 3, 2016 | 3 | Feb 2024 |
| Charles Alexander #442-505-33382 | Hilcorp Energy Company only | ZapataLa Perla (Wilcox 6800) | ActiveGas | 8,600 | Jul 19, 2016 | 2 | Aug 2026 |
| Canales #642-505-32128 | Hilcorp Energy Company only | ZapataLa Perla (Lobo Cons.) | Temporarily abandonedGas | 10,300 | Jul 1, 2016 | 2 | Jul 2016 |
| Slator Ranch #3542-505-35627 | Bordertown Energy Resources LLC only | ZapataStirling (Wilcox Consolidated) | ActiveGas | 11,498 | Jun 28, 2016 | 3 | Aug 2026 |
| Vela J. M. #642-505-31917 | Hilcorp Energy Company only | ZapataLaredo (Lobo) | ActiveGas | 9,000 | Jun 10, 2016 | 2 | Aug 2026 |
| Vela J.M. #742-505-32014 | Hilcorp Energy Company only | ZapataLa Perla (Wilcox 6800) | ActiveGas | 8,900 | May 27, 2016 | 3 | Aug 2026 |
| Antonio Martinez et al a Unit #342-505-33224 | Hilcorp Energy Company only | ZapataLa Perla (Wilcox 6800) | Temporarily abandonedGas | 8,410 | May 19, 2016 | 2 | Apr 2026 |
| J. E. Fulbright G #142-505-32872 | Hughes Dan A. Company L.P. only | ZapataBerry R. Cox (Wx. 6TH Hinnant) | PluggedGas | 15,000 | Dec 22, 2015 | 3 | Jan 2018 |
| Thomasma Ray J. #1542-505-35125 | Hilcorp Energy Company only | ZapataZwebb (9200) | ActiveGas | 11,950 | Dec 2, 2015 | 3 | Jul 2018 |
| Noe Fernandez #142-505-36608 | Ricochet Energy Inc. only | ZapataHaynes (Middle Wilcox Cons.) | ActiveGas | 10,379 | Nov 3, 2015 | 1 | Jun 2016 |
| Lopez G.U. #142-505-36573 | Valley Grand Energy LLC only | ZapataEN Seguido (Wilcox) | PluggedGas | 14,000 | Sep 11, 2015 | 3 | Feb 2017 |
| Haynes a #1242-505-36106 | Bordertown Energy Resources LLC only | ZapataHaynes (Hinnant Cons.) | ActiveGas | 14,960 | Aug 31, 2015 | 2 | Aug 2026 |
| Haynes D #542-505-33539 | Hilcorp Energy Company only | ZapataHaynes (Middle Wilcox Cons.) | ActiveGas | 14,500 | Aug 27, 2015 | 2 | Aug 2026 |
| Smith A.H. #942-505-35460 | Merit Energy Company only | ZapataRoleta (Wilcox Consolidated) | ActiveGas | 10,300 | Jun 4, 2015 | 3 | Aug 2026 |
| Gutierrez C #542-505-36518 | Calaveras Oil & Gas L.L.C. only | ZapataCinco de Mayo ( 900) | PluggedGas | 1,300 | Jan 14, 2015 | 3 | Feb 2015 |
| Haynes a #1442-505-36140 | Bordertown Energy Resources LLC only | ZapataMunoz (Lobo) | ActiveGas | 15,000 | Oct 14, 2014 | 3 | Aug 2026 |
| J. E. Fulbright G #842-505-36154 | Hughes Dan A. Company L.P. only | ZapataGlen South (Wilcox 9200) | PluggedGas | 14,000 | Oct 13, 2014 | 3 | Dec 2014 |
| Benavides Belia R. B #15 U42-505-33351 | Varas Energy Operating Company only | ZapataHundido (9300) | ActiveGas | 10,800 | Sep 19, 2014 | 2 | Oct 2013 |
| Uribe I. C. #142-505-32885 | EOG Resources Inc. only | ZapataJ J & J (Wilcox 11450) | ActiveGas | 12,620 | Sep 3, 2014 | 3 | Sep 2023 |
| Elizondo #442-505-36606 | Varas Energy Operating Company only | ZapataRoleta (Wilcox Consolidated) | Temporarily abandonedGas | 10,625 | Sep 3, 2014 | 2 | Dec 2023 |
| Elizondo #542-505-36607 | Bluestone Natural Res. II, LLCpermitted by · no operator of record | ZapataRoleta (Wilcox Consolidated) | Not on schedule | 10,500 | Sep 3, 2014 | 1 | — |
| J.M. Gutierrez 'B' #642-505-36605 | Bluestone Natural Res. II, LLCpermitted by · no operator of record | ZapataRoleta (Wilcox Consolidated) | Not on schedule | 10,250 | Jul 7, 2014 | 1 | — |
| Martinez S. #142-505-30888 | Varas Energy Operating Company only | ZapataLos Mogotes (Wilcox Cons.) | ActiveGas | 11,600 | Jun 26, 2014 | 2 | Aug 2026 |
| Benavides Belia R. B #142-505-31333 | Varas Energy Operating Company only | ZapataLos Mogotes (Wilcox Cons.) | ActiveGas | 10,700 | Jun 26, 2014 | 4 | Aug 2026 |
| Gutierrez J.M. a #342-505-32933 | Bluestone Natural Res. II LLC only | ZapataCinco de Mayo (Consolidated) | PluggedGas | 7,600 | Jun 25, 2014 | 2 | Sep 2011 |
| Jennings J. D. #50242-505-36602 | Sue-Ann Operating L.C. only | ZapataJennings W. (Queen City NO 2) | ActiveOil | 4,733 | Jun 18, 2014 | 1 | Aug 2026 |
| Jennings J. D. #50342-505-36603 | Sue-Ann Operating L.C. only | ZapataJennings W. (Queen City NO 2) | Shut inOil | 5,600 | Jun 18, 2014 | 1 | Aug 2026 |
| Jennings J. D. #50442-505-36604 | Sue-Ann Operating L.C. only | ZapataJennings W. (Queen City NO 2) | Shut inOil | 5,602 | Jun 18, 2014 | 1 | Aug 2026 |
| Vester #342-505-36564 | Hilcorp Energy Company only | ZapataHaynes (Middle Wilcox Cons.) | ActiveGas | 13,675 | May 3, 2014 | 3 | Aug 2026 |
| Vester #442-505-36566 | Hilcorp Energy Company only | ZapataHaynes (Middle Wilcox Cons.) | ActiveGas | 13,500 | May 3, 2014 | 3 | Aug 2026 |
| Smith A. H. #642-505-34823 | Merit Energy Company only | ZapataRoleta (Wilcox Consolidated) | ActiveGas | 10,026 | Mar 27, 2014 | 3 | Dec 2017 |
| Violeta Ranch #842-505-36601 | Hilcorp Energy Company only | ZapataHaynes (Hinnant Cons.) | ActiveGas | 12,104 | Mar 7, 2014 | 1 | Aug 2026 |
| Violeta Ranch #742-505-36600 | Hilcorp Energy Company only | ZapataHaynes (Hinnant Cons.) | ActiveGas | 11,994 | Feb 6, 2014 | 1 | Aug 2026 |
| Slator Ranch #5AL42-505-36599 | Mountain V Texas LLC only | ZapataTartan (Yegua) | PluggedOil | 3,300 | Dec 13, 2013 | 1 | Jul 2026 |