| Slator Ranch G-4-281261 | Bordertown Energy Resources, LLC | Stirling (Wilcox Consolidated) | Zapata | 1 | 6.15K | 357K | Jul 2016 – Aug 2026 |
| Slator Ranch G-4-221400 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo) | Zapata | 1 | 4.01K | 4.41M | Jun 2006 – Aug 2026 |
| Juana G-4-161398 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 3.79K | 8.25M | Oct 1996 – Mar 2025 |
| Slator Ranch G-4-223016 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo) | Zapata | 1 | 3.46K | 5.59M | Oct 2006 – Aug 2026 |
| Slator Ranch G-4-223025 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo) | Zapata | 1 | 3.29K | 3.34M | Nov 2006 – Aug 2026 |
| Slator Ranch G-4-222851 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo) | Zapata | 1 | 2.66K | 1.4M | Sep 2006 – Aug 2026 |
| Resendez G-4-210373 | Bordertown Energy Resources, LLC | Taguache Creek (Wilcox 10800) | Zapata | 1 | 2.44K | 1.34M | Apr 2005 – Aug 2026 |
| Martinez-Uribe G-4-225687 | Bordertown Energy Resources, LLC | Big Mac (6470) | Zapata | 1 | 2.32K | 265K | Feb 2007 – May 2007 |
| Benavides, B. R. G-4-197941 | Bordertown Energy Resources, LLC | Jennings Ranch (Lobo Cons.) | Zapata | 1 | 1.05K | 3.21M | Oct 2003 – Aug 2026 |
| Martinez-Uribe G-4-221273 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 865 | 529K | May 2006 – Aug 2026 |
| Slator Ranch G-4-117506 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo 3 FB-D) | Zapata | 1 | 399 | 1.17M | by Jan 1993 – Aug 2026 |
| Slator Ranch G-4-102724 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo 1) | Zapata | 1 | 240 | 190K | Jun 2021 – Aug 2026 |
| Santa Maria Minerals G-4-230340 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 219 | 624K | Jul 2007 – Aug 2026 |
| Slator Ranch G-4-98968 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo 3 FB-B) | Zapata | 1 | 215 | 1.19M | by Jan 1993 – Aug 2026 |
| Slator Ranch G-4-223001 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo) | Zapata | 1 | 180 | 860K | Oct 2006 – Aug 2026 |
| Cuellar Trust GU G-4-122180 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 136 | 928K | by Jan 1993 – Mar 2025 |
| Slator Ranch G-4-219639 | Bordertown Energy Resources, LLC | Las Ovejas (Lobo) | Zapata | 1 | 132 | 830K | Apr 2006 – Aug 2026 |
| Martinez, Acela G-4-77343 | Bordertown Energy Resources, LLC | J. C. Martin (Lobo) | Zapata | 1 | 127 | 801K | by Jan 1993 – Aug 2026 |
| Martinez, Eudoxio Gas Unit G-4-125756 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 105 | 1.74M | by Jan 1993 – Aug 2026 |
| Haynes "A" G-4-227884 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 88 | 107K | Jun 2007 – Aug 2026 |
| San Fernando G-4-235508 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 78 | 725K | Feb 2008 – Aug 2026 |
| Haynes "A" G-4-223838 | Bordertown Energy Resources, LLC | Haynes (Middle Wilcox Cons.) | Zapata | 1 | 68 | 918K | Oct 2006 – Aug 2026 |
| Zachry G-4-223379 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 68 | 2.21M | Aug 2006 – Aug 2026 |
| Santa Maria Minerals G-4-242072 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 60 | 175K | Aug 2008 – Aug 2026 |
| 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 |
| 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 |
| Zachry G-4-241934 | Bordertown Energy Resources, LLC | Cisco-Benavides (Lobo Cons.) | Zapata | 1 | 7 | 723K | Jul 2008 – Aug 2026 |
| Haynes "A" G-4-233108 | Bordertown Energy Resources, LLC | Munoz (Lobo) | Zapata | 1 | 7 | 766K | Nov 2007 – Aug 2026 |