| Haynes Estate #1142-505-36626 | Arete Operating Company II LLC | ZapataLos Mogotes (Queen City H-1) | ActiveGas | 4,750 | Mar 15, 2022 | 1 | Jan 2024 |
| Haynes Estate #1042-505-36622 | Arete Operating Company II LLC | ZapataLos Mogotes (Queen City H-1) | ActiveGas | 4,750 | Apr 19, 2021 | 2 | Aug 2026 |
| Russell-Winch #3142-479-42008 | Arete Operating Company II LLC | WebbVaquillas Ranch (Lobo Cons.) | ActiveGas | 9,350 | Aug 9, 2012 | 1 | Aug 2026 |
| Russell-Winch #3042-479-42006 | Arete Operating Company II LLC | WebbVaquillas Ranch (Lobo Cons.) | ActiveGas | 10,015 | Aug 7, 2012 | 1 | Aug 2026 |
| Russell-Winch #2942-479-41473 | Arete Operating Company II LLC | WebbVaquillas Ranch (Lobo Cons.) | ActiveGas | 9,736 | Sep 8, 2011 | 3 | Aug 2026 |
| Welhausen J. R. #542-479-40820 | Arete Operating Company II LLC | WebbVaquillas Ranch (Lobo Cons.) | ActiveGas | 10,200 | Feb 17, 2010 | 1 | Aug 2026 |
| Russell-Winch #2742-479-40706 | Arete Operating Company II LLC | WebbVaquillas Ranch (Lobo Cons.) | ActiveGas | 10,222 | Nov 2, 2009 | 1 | Aug 2026 |
| Russell Winch #2442-479-40665 | Arete Operating Company II LLC | WebbVaquillas Ranch (Lobo Cons.) | ActiveGas | 10,418 | Aug 17, 2009 | 1 | Aug 2026 |
| Russell-Winch #2642-479-40585 | Arete Operating Company II LLC | WebbVaquillas Ranch (Lobo Cons.) | ActiveGas | 9,765 | Apr 28, 2009 | 1 | Aug 2026 |
| Monson #242-255-31517 | Arete Operating Company II LLC | KarnesMonson (Queen City) | ActiveGas | 6,600 | Oct 31, 2006 | 2 | Nov 2014 |
| La Duquesa #142-505-35245 | Arete Operating Company II LLC | ZapataTaguache Creek (Wilcox 10800) | Temporarily abandonedGas | 12,300 | Mar 24, 2005 | 1 | Oct 2025 |
| Volz-Martin #442-479-37914 | Arete Operating Company II LLC | WebbCerrito Creek (Lobo Cons.) | Temporarily abandonedGas | 9,450 | Aug 14, 2001 | 1 | Jan 2023 |
| Rottersman #3242-479-37912 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 10,133 | Aug 10, 2001 | 2 | Aug 2026 |
| Martin Sophie J. #a 842-479-37887 | Arete Operating Company II LLC | WebbCerrito Creek (Lobo Cons.) | Temporarily abandonedGas | 10,200 | Jul 24, 2001 | 1 | Oct 2025 |
| Martin Sophie J. B #642-479-36012 | Arete Operating Company II LLC | WebbDolores Creek South (Lobo 1) | ActiveGas | 9,517 | Jun 5, 2001 | 2 | Aug 2026 |
| Bruni Mineral Trust #2642-505-34299 | Arete Operating Company II LLC | ZapataLa Perla (Lobo Cons.) | ActiveGas | 11,250 | Feb 21, 2001 | 2 | Aug 2026 |
| Rottersman #3842-479-37747 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 9,750 | Feb 20, 2001 | 1 | Aug 2026 |
| Bruni Mineral Trust #2542-505-34273 | Arete Operating Company II LLC | ZapataLa Perla (Lobo Cons.) | ActiveGas | 10,900 | Jan 5, 2001 | 2 | May 2026 |
| Hein Luz A. Estate #1642-479-37668 | Arete Operating Company II LLC | WebbLa Perla (Lobo Cons.) | ActiveGas | 10,149 | Nov 21, 2000 | 1 | Aug 2026 |
| Bruni Mineral Trust #2142-505-34222 | Arete Operating Company II LLC | ZapataLa Perla (Lobo Cons.) | ActiveGas | 7,161 | Sep 22, 2000 | 1 | Aug 2026 |
| Hein Luz A. Estate #1542-479-37503 | Arete Operating Company II LLC | WebbLa Perla (Lobo Cons.) | ActiveGas | 10,372 | May 25, 2000 | 1 | Aug 2026 |
| Bruni Mineral Trust #1942-505-34133 | Arete Operating Company II LLC | ZapataLa Perla (Lobo Cons.) | ActiveGas | 11,000 | May 5, 2000 | 1 | Aug 2026 |
| Rottersman #3442-479-37405 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 9,850 | Jan 19, 2000 | 1 | Aug 2026 |
| Hein Luz A. #1342-479-37333 | Arete Operating Company II LLC | WebbLa Perla (Lobo Cons.) | ActiveGas | 11,400 | Sep 2, 1999 | 1 | Aug 2026 |
| Rottersman #3342-479-37302 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 9,950 | Jul 7, 1999 | 1 | Aug 2026 |
| Rottersman #2042-479-37272 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 9,980 | May 12, 1999 | 1 | Aug 2026 |
| Rottersman #2942-479-37250 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 9,238 | Mar 30, 1999 | 1 | Aug 2026 |
| Rottersman #3042-479-37242 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 10,047 | Mar 10, 1999 | 3 | Aug 2026 |
| Russell - Winch #1342-479-35954 | Arete Operating Company II LLC | WebbBelle Jeffers (7850) | ActiveGas | 11,106 | Feb 1, 1999 | 2 | Aug 2026 |
| Rottersman #2542-479-37211 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 9,665 | Jan 14, 1999 | 1 | Aug 2026 |
| Rottersman #2742-479-37208 | Arete Operating Company II LLC | WebbBenavides (Lobo Cons.) | ActiveGas | 9,510 | Jan 6, 1999 | 1 | Aug 2026 |
| Rottersman #2442-479-37194 | Arete Operating Company II LLC | WebbBenavides (Lobo Cons.) | ActiveGas | 9,850 | Dec 15, 1998 | 1 | Aug 2026 |
| Gill F. J. #642-479-37098 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 9,920 | Sep 14, 1998 | 1 | Aug 2026 |
| Bruni Nora #142-479-37043 | Arete Operating Company II LLC | WebbBenavides (Lobo Cons.) | ActiveGas | 10,000 | Jul 31, 1998 | 1 | Aug 2026 |
| Rottersman #2642-479-37001 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 9,900 | Jun 9, 1998 | 1 | Aug 2026 |
| Martin Sophie J. B #742-479-36690 | Arete Operating Company II LLC | WebbDolores Creek South (Lobo 1) | ActiveGas | 9,649 | Jun 8, 1998 | 2 | Aug 2026 |
| Rottersman #2842-479-36977 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 10,000 | May 27, 1998 | 1 | Aug 2026 |
| Rottersman #1842-479-36916 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 9,600 | Mar 27, 1998 | 1 | Aug 2026 |
| Rottersman #2242-479-36823 | Arete Operating Company II LLC | WebbRottersman (Lobo) | ActiveGas | 9,852 | Nov 24, 1997 | 1 | Aug 2026 |
| Pena H. L. #142-479-35752 | Arete Operating Company II LLC | WebbLa Perla (Lobo Cons.) | ActiveGas | 9,200 | Mar 27, 1997 | 2 | Aug 2026 |
| Martinez R. #342-505-33518 | Arete Operating Company II LLC | ZapataLa Perla (Lobo Cons.) | ActiveGas | 9,100 | Nov 26, 1996 | 1 | Aug 2026 |
| Martin S. J. #1A42-479-32414 | Arete Operating Company II LLC | WebbDolores Creek South (Lobo 1) | Temporarily abandonedGas | 10,150 | Oct 30, 1996 | 3 | Dec 2022 |
| Pena H. L. #542-479-36226 | Arete Operating Company II LLC | WebbLa Perla (Lobo Cons.) | ActiveGas | 9,100 | Jul 29, 1996 | 2 | Aug 2026 |
| Pena H. L. #342-479-35980 | Arete Operating Company II LLC | WebbLa Perla (Lobo Cons.) | ActiveGas | 9,000 | Jun 27, 1996 | 2 | Aug 2026 |
| Martinez R. #242-505-33412 | Arete Operating Company II LLC | ZapataLa Perla (Lobo Cons.) | ActiveGas | 9,019 | Feb 28, 1996 | 1 | Aug 2026 |
| Martinez R. #142-505-33361 | Arete Operating Company II LLC | ZapataLa Perla (Lobo Cons.) | ActiveGas | 8,909 | Oct 10, 1995 | 1 | Aug 2026 |
| Hein A.O. #442-505-33275 | Arete Operating Company II LLC | ZapataLa Perla (Lobo Cons.) | ActiveGas | 9,600 | Dec 12, 1994 | 1 | Aug 2026 |
| Bruni Mineral Trust AA #1742-505-33121 | Arete Operating Company II LLC | ZapataLa Perla (Lobo Cons.) | ActiveGas | 11,075 | Nov 19, 1993 | 1 | Aug 2026 |
| Pena H.L. #242-505-33059 | Arete Operating Company II LLC | ZapataLa Perla (Lobo Cons.) | ActiveGas | 9,206 | Jun 29, 1993 | 2 | Aug 2026 |
| Rottersman #1742-479-35849 | Arete Operating Company II LLC | WebbBenavides (Lobo Cons.) | ActiveGas | 10,900 | Jun 17, 1993 | 1 | Aug 2026 |