| Martinez G-4-215740 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 3 | 506K | Feb 2006 – Apr 2026 |
| Haynes "A" G-4-247770 | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 3 | 1.29M | Jan 2009 – Apr 2026 |
| Sanchez-San Fernando Min. GU G-4-144473 | Big Mac (8260) | Zapata | 1 | 1 | 679K | Mar 1993 – Apr 2026 |
| Haynes "A" G-4-241633 | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 1 | 921K | Jun 2008 – Apr 2026 |
| Martinez G-4-216039 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1 | 474K | Feb 2006 – Apr 2026 |
| Haynes "A" G-4-235501 | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 1 | 343K | Feb 2008 – Apr 2026 |
| Sanchez, Carmen D. Heirs G-4-125197 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1 | 1.71M | Jan 1993 – Apr 2026 |
| Martinez, Lauro G-4-121431 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1 | 3.39M | Jan 1993 – Apr 2026 |
| Martinez, Eudoxio G-4-157149 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 0 | 1.27M | Oct 1995 – Apr 2026 |
| Lauro-Acela Martinez "B" GU G-4-156455 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 0 | 1.13M | Aug 1995 – Apr 2026 |
| Martinez, Acela G-4-96183 | J. C. Martin (Lobo) | Zapata | 1 | 0 | 2.04M | Jan 1993 – Apr 2026 |
| Martinez, Acela G-4-156060 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 0 | 1.03M | Sep 1995 – Apr 2026 |
| Martinez, Adrian G-4-154447 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 0 | 4.22M | May 1995 – Apr 2026 |
| Martinez, Adrian Gas Unit G-4-154233 | J. C. Martin (Lobo) | Zapata | 1 | 0 | 2.68M | Apr 1995 – Apr 2026 |
| Martinez, Adrian Gas Unit G-4-153625 | J. C. Martin (Lobo) | Zapata | 1 | 0 | 6.94M | Feb 1995 – Apr 2026 |
| Slator Ranch G-4-211547 | Las Ovejas (Lobo) | Zapata | 1 | 0 | 586K | Jul 2005 – Apr 2026 |
| Martinez, Adrian Gas Unit G-4-74921 | J. C. Martin (Lobo) | Zapata | 1 | 0 | 3.18M | Jan 1993 – Apr 2026 |
| Benavides, B. R. G-4-213569 | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 0 | 1.13M | Aug 2005 – Apr 2026 |
| Martinez, Lauro-Acela Gas Unit G-4-131195 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 0 | 319K | Jan 1993 – Apr 2026 |
| Martinez, Eudoxio G-4-126685 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 0 | 550K | Jan 1993 – Apr 2026 |
| San Fernando G-4-213688 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 0 | 1.38M | Sep 2005 – Apr 2026 |
| Haynes "A" G-4-237141 | Munoz (Lobo) | Zapata | 1 | 0 | 95.3K | Mar 2008 – Apr 2026 |
| Martinez, A. Gas Unit G-4-75822 | J. C. Martin (Lobo) | Zapata | 1 | 0 | 4.14M | Jan 1993 – Apr 2026 |
| Haynes A G-4-278558 | Haynes (Hinnant Cons.) | Zapata | 1 | 0 | 13.5K | Sep 2015 – Apr 2026 |
| Martinez, Eudoxio G-4-75657 | J. C. Martin (Lobo) | Zapata | 1 | 0 | 2.3M | Jan 1993 – Apr 2026 |
| Martinez, Eudoxio G-4-122571 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 0 | 175K | Jan 1993 – Apr 2026 |
| Martinez, Lauro G-4-72247 | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 0 | 1.8M | Apr 1993 – Apr 2026 |
| Jaboncillo G-4-187128 | Mestena Grande (5300 Yegua) | Jim Hogg | 1 | 203K | 3.17M | Jan 2002 – Mar 2026 |
| Mestena Oil & Gas G-4-102612 | Mestena Grande (Queen City Cons) | Jim Hogg | 1 | 160K | 8.07M | Jan 1993 – Mar 2026 |
| Mestena "H" G-4-175540 | Mestena Grande (Queen City Cons) | Jim Hogg | 1 | 146K | 4.42M | Nov 1999 – Mar 2026 |
| Guilita G-4-181524 | Guilita (Queen City) | Jim Hogg | 1 | 143K | 4.57M | Feb 2001 – Mar 2026 |
| Guilita G-4-178903 | Guilita (Queen City) | Jim Hogg | 1 | 132K | 5.42M | Aug 2000 – Mar 2026 |
| Guilita G-4-178261 | Guilita (Queen City) | Jim Hogg | 1 | 83.6K | 1.97M | Jun 2000 – Mar 2026 |
| Guilita G-4-179428 | Guilita (Queen City) | Jim Hogg | 1 | 76.5K | 2.11M | Sep 2000 – Mar 2026 |
| Libre G-4-183733 | Libre (Queen City) | Jim Hogg | 1 | 73.3K | 4.38M | Jun 2001 – Mar 2026 |
| Mestena Oil & Gas G-4-96209 | Mestena Grande (Queen City Cons) | Jim Hogg | 1 | 66.5K | 2.55M | Jan 1993 – Mar 2026 |
| Mestena Oil & Gas "E" G-4-149100 | Mestena Grande (Queen City Cons) | Jim Hogg | 1 | 65.3K | 2.42M | Apr 1994 – Mar 2026 |
| Mestena G-4-182916 | Coyote, East (Queen City) | Jim Hogg | 1 | 64.5K | 2.56M | May 2001 – Mar 2026 |
| Libre G-4-186059 | Libre (Queen City) | Jim Hogg | 1 | 64.3K | 3.68M | Oct 2001 – Mar 2026 |
| Libre G-4-182808 | Libre (Queen City) | Jim Hogg | 1 | 61.5K | 3.12M | Apr 2001 – Mar 2026 |
| Mestena Oil & Gas G-4-98430 | Mestena Grande (Queen City Cons) | Jim Hogg | 1 | 60.3K | 1.65M | Jan 1993 – Mar 2026 |
| Guilita G-4-180747 | Guilita (Queen City) | Jim Hogg | 1 | 60.1K | 2.1M | Dec 2000 – Mar 2026 |
| South Coyote G-4-180880 | Coyote, South (Queen City) | Jim Hogg | 1 | 56.2K | 2.13M | Oct 2000 – Mar 2026 |
| South Coyote G-4-183818 | Coyote, South (Queen City) | Jim Hogg | 1 | 54.6K | 2.9M | Jul 2001 – Mar 2026 |
| Hermanas-"state" G-4-182716 | Coyote, South (Queen City) | Jim Hogg | 1 | 52.2K | 2.63M | Apr 2001 – Mar 2026 |
| Guilita G-4-179644 | Guilita (Queen City) | Jim Hogg | 1 | 50.8K | 1.83M | Oct 2000 – Mar 2026 |
| South Coyote G-4-180881 | Coyote, South (Queen City) | Jim Hogg | 1 | 49.1K | 1.84M | Dec 2000 – Mar 2026 |
| Mestena Oil & Gas Co. G-4-104012 | Mestena Grande (Queen City Cons) | Jim Hogg | 1 | 46.8K | 1.66M | Jan 1993 – Mar 2026 |
| Mestena , Inc. "E" G-4-157018 | Mestena Grande (Queen City Cons) | Jim Hogg | 1 | 46.5K | 1.63M | Feb 1996 – Mar 2026 |
| Portero G-4-181503 | Coyote, West (Queen City) | Jim Hogg | 1 | 44.1K | 2.91M | Feb 2001 – Mar 2026 |