| Santa Maria Land G-4-241596 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 55 | 344K | Jun 2008 – Aug 2026 |
| San Fernando G-4-226167 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 47 | 1.47M | Jan 2007 – Aug 2026 |
| Zachry G-4-226969 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 44 | 440K | May 2007 – Aug 2026 |
| Haynes "A" G-4-242001 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 41 | 801K | Aug 2008 – Aug 2026 |
| San Fernando Minerals G-4-128986 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 39 | 254K | by Jan 1993 – Aug 2026 |
| Palomas Ranch G-4-285868 | Bordertown Energy Resources, LLC | Escondido, East (6500) | Jim Hogg | 1 | 36 | 941 | Jan 2019 – Apr 2022 |
| Zachry G-4-231854 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 35 | 1.04M | Aug 2007 – Aug 2026 |
| San Fernando G-4-212382 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 32 | 379K | Aug 2005 – Aug 2026 |
| Benavides, B. R. G-4-199681 | Bordertown Energy Resources, LLC | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 31 | 2.21M | Dec 2003 – Aug 2026 |
| Haynes "A" G-4-243667 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 27 | 1.02M | Nov 2008 – Aug 2026 |
| Lozano G-4-218024 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 26 | 710K | Jan 2006 – Aug 2026 |
| Slator Ranch G-4-106054 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo 3 FB-C) | Zapata | 1 | 25 | 908K | by Jan 1993 – Jul 2020 |
| San Fernando Minerals G-4-116782 | Bordertown Energy Resources, LLC | San Fernando (Lobo 9600) | Zapata | 1 | 23 | 238K | by Jan 1993 – Aug 2026 |
| Haynes "A" G-4-232953 | Bordertown Energy Resources, LLC | Munoz (Lobo) | Zapata | 1 | 23 | 26 | May 2015 – Oct 2015 |
| Benavides, B. R. G-4-204429 | Bordertown Energy Resources, LLC | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 22 | 820K | Aug 2004 – Aug 2026 |
| Haynes "A" G-4-232952 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 22 | 4.26M | Sep 2007 – Aug 2026 |
| Gutierrez, E. G-4-160510 | Bordertown Energy Resources, LLC | Escobas (10,350) | Zapata | 1 | 20 | 2.89M | Sep 1996 – Aug 2026 |
| Zachry G-4-223287 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 19 | 647K | Apr 2006 – Aug 2026 |
| Haynes "A" G-4-226807 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 17 | 1.37M | Apr 2007 – Aug 2026 |
| Haynes "A" G-4-230281 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 14 | 694K | Jun 2007 – Aug 2026 |
| Slator Ranch G-4-144608 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo 1) | Zapata | 1 | 12 | 51.5K | Feb 1993 – Jan 2008 |
| Benavides, B. R. G-4-203831 | Bordertown Energy Resources, LLC | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 11 | 1.15M | Jul 2004 – Aug 2026 |
| San Fernando Minerals G-4-125447 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 9 | 332K | by Jan 1993 – Aug 2026 |
| Haynes "A" G-4-234303 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 8 | 805K | Dec 2007 – Aug 2026 |
| Sanchez, Carmen D. Heirs G-4-128406 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 8 | 858K | by Jan 1993 – Aug 2026 |
| Haynes "A" G-4-233108 | Bordertown Energy Resources, LLC | Munoz (Lobo) | Zapata | 1 | 7 | 766K | Nov 2007 – Aug 2026 |
| Zachry G-4-241934 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 7 | 723K | Jul 2008 – Aug 2026 |
| Zachry G-4-226460 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 6 | 255K | Mar 2007 – Aug 2026 |
| Haynes "A" G-4-229411 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 6 | 2.61M | Jul 2007 – Aug 2026 |
| Martinez G-4-215741 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 4 | 772K | Feb 2006 – Aug 2026 |
| Benavides, B. R. G-4-208225 | Bordertown Energy Resources, LLC | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 4 | 342K | Jan 2005 – Aug 2026 |
| Benavides, B. R. G-4-211258 | Bordertown Energy Resources, LLC | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 4 | 534K | May 2005 – Aug 2026 |
| Martinez, Eudoxio Gas Unit G-4-73452 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 4 | 4.14M | by Jan 1993 – Aug 2026 |
| Haynes "A" G-4-226806 | Bordertown Energy Resources, LLC | Munoz (Lobo) | Zapata | 1 | 4 | 21.2K | Mar 2007 – May 2007 |
| Benavides, B. R. G-4-204242 | Bordertown Energy Resources, LLC | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 4 | 1.18M | Jul 2004 – Aug 2026 |
| Haynes "A" G-4-247770 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 3 | 1.29M | Jan 2009 – Aug 2026 |
| Martinez G-4-215740 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 3 | 509K | Feb 2006 – Aug 2026 |
| Haynes "A" G-4-235501 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 1 | 345K | Feb 2008 – Aug 2026 |
| Haynes "A" G-4-242231 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 1 | 1.44M | Sep 2008 – Nov 2016 |
| Sanchez-San Fernando Min. GU G-4-144473 | Bordertown Energy Resources, LLC | Big Mac (8260) | Zapata | 1 | 1 | 680K | Mar 1993 – Aug 2026 |
| Martinez G-4-216039 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1 | 476K | Feb 2006 – Aug 2026 |
| Haynes "A" G-4-241633 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 1 | 923K | Jun 2008 – Aug 2026 |
| Martinez, Lauro G-4-121431 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1 | 3.4M | by Jan 1993 – Aug 2026 |
| Sanchez, Carmen D. Heirs G-4-125197 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 1 | 1.72M | by Jan 1993 – Aug 2026 |
| Slator Ranch G-4-197795 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo) | Zapata | 1 | 0 | 790K | Nov 2003 – Aug 2026 |
| Martinez, Eudoxio G-4-162205 | Bordertown Energy Resources, LLC | Wildcat | Zapata | 1 | 0 | 0 | — |
| Lauro-Acela Martinez "B" GU G-4-156455 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 0 | 1.13M | Aug 1995 – Aug 2026 |
| Martinez, Adrian Gas Unit G-4-153625 | Bordertown Energy Resources, LLC | J. C. Martin (Lobo) | Zapata | 1 | 0 | 6.96M | Feb 1995 – Aug 2026 |
| Martinez-Uribe G-4-232487 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 0 | 0 | — |
| Slator Ranch G-4-104718 | Bordertown Energy Resources, LLC | Las Ovejas (Wilcox 9550) | Zapata | 1 | 0 | 0 | — |