| River Bend Devonian Unit O-10-36305 | Fasken Oil and Ranch, Ltd. | P&P (Devonian) | Crane | 20 | 3.35M | 2.1M | Jun 2000 – Aug 2026 |
| State University Hutex Cons. O-10-21010 | Fasken Oil and Ranch, Ltd. | Hutex (Devonian) | Andrews | 22 | 3M | 152K | by Jan 1993 – Aug 2026 |
| Trinity University "199" O-11-66755 | Fasken Oil and Ranch, Ltd. | Three-O-Three (San Andres) | Gaines | 8 | 1.6M | 1.23M | by Jan 1993 – Aug 2026 |
| University -E- O-10-12531 | Fasken Oil and Ranch, Ltd. | Hutex (Devonian) | Andrews | 3 | 842K | 115K | by Jan 1993 – Aug 2026 |
| Monterey-University O-10-23482 | Fasken Oil and Ranch, Ltd. | Fullerton | Andrews | 2 | 522K | 383K | by Jan 1993 – Aug 2026 |
| Monterey University O-10-30532 | Fasken Oil and Ranch, Ltd. | Fullerton (San Andres) | Andrews | 5 | 220K | 185K | by Jan 1993 – Aug 2026 |
| University -25- O-10-21700 | Fasken Oil and Ranch, Ltd. | Magutex (Queen) | Andrews | 4 | 156K | 75.8K | by Jan 1993 – Aug 2026 |
| University "40" O-10-36120 | Fasken Oil and Ranch, Ltd. | McFarland (Queen) | Andrews | 1 | 74.6K | 12.2K | Oct 1999 – Aug 2026 |
| University "40B" O-10-36444 | Fasken Oil and Ranch, Ltd. | McFarland (Queen) | Andrews | 2 | 47K | 12.5K | Nov 2000 – Aug 2026 |
| State University "W" O-10-35971 | Fasken Oil and Ranch, Ltd. | Magutex (Strawn) | Andrews | 1 | 34.3K | 27.5K | Jan 1999 – Aug 2016 |
| State University -W- O-10-4034 | Fasken Oil and Ranch, Ltd. | Magutex (Devonian) | Andrews | 1 | 20.2K | 11.6K | by Jan 1993 – Jan 1999 |
| Palafox Explor. Co. -17- G-4-47595 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 5.13K | 1.83M | by Jan 1993 – Aug 2026 |
| Palafox Unit G-4-170368 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 2.01K | 889K | Jun 1998 – Mar 2025 |
| Palafox Unit G-4-170365 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 1.89K | 1.31M | Dec 1997 – Apr 2025 |
| Palafox Unit G-4-170360 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 1.42K | 1.34M | Aug 1998 – Feb 2016 |
| Palafox 2182 8E G-4-181712 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 1.29K | 697K | Mar 2001 – Nov 2024 |
| State University Hutex Cons. O-10-15823 | Fasken Oil and Ranch, Ltd. | Hutex (Bend) | Andrews | 2 | 1.22K | 32.5K | by Jan 1993 – Jul 1997 |
| Palafox Exploration Co. -17- G-4-170545 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 1.12K | 971K | Sep 1998 – Jan 2026 |
| Palafox Unit G-4-181787 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 1.11K | 913K | Jan 2001 – Apr 2025 |
| Palafox Exploration Co. -17- G-4-171674 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 1K | 1.23M | Dec 1998 – Feb 2026 |
| Palafox Unit G-4-174358 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 969 | 1.02M | Nov 1998 – Apr 2025 |
| Palafox 2182 - 8 E G-4-170359 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 886 | 980K | Jul 1998 – Apr 2025 |
| Palafox-Unit G-4-170363 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 818 | 1.04M | Feb 1998 – Apr 2025 |
| Palafox Unit G-4-181786 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 812 | 860K | Dec 2000 – Mar 2025 |
| Palafox Explor. Co. -22- G-4-47596 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 730 | 1.24M | by Jan 1993 – Aug 2026 |
| Palafox Exploration Co. -17- G-4-173771 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 600 | 754K | Jun 1999 – Jan 2026 |
| Palafox Exploration Co. -22- G-4-173770 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 584 | 742K | Jun 1999 – Jan 2026 |
| Palafox Exploration Co. -17- G-4-173915 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 584 | 782K | Jul 1999 – Jan 2026 |
| Palafox Unit G-4-183766 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 568 | 738K | May 2001 – Mar 2025 |
| Palafox Exploration Company "E" G-4-46186 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 543 | 184K | by Jan 1993 – Feb 2022 |
| Palafox Unit G-4-170364 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 529 | 806K | May 1998 – Jan 2012 |
| Palafox Unit G-4-170361 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 516 | 551K | Jul 1998 – Apr 2025 |
| Palafox Exploration Company "E" G-4-46187 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 512 | 276K | by Jan 1993 – Apr 2021 |
| Palafox Exploration Co. -22- G-4-172850 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 456 | 634K | Dec 1998 – Jan 2026 |
| Palafox Exploration Co. -17- G-4-173078 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 448 | 1.09M | Apr 1999 – Feb 2026 |
| Palafox 2182 8E G-4-181783 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 418 | 390K | Dec 2000 – May 2024 |
| Palafox Unit G-4-170367 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 409 | 729K | Feb 1998 – Apr 2025 |
| Palafox Unit G-4-187407 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 392 | 361K | Dec 2001 – Mar 2025 |
| Palafox Exploration Co. -9- G-4-173196 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 391 | 637K | Apr 1999 – Jan 2026 |
| Palafox Unit G-4-47960 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 369 | 688K | by Jan 1993 – Apr 2025 |
| Palafox Unit G-4-183761 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 366 | 538K | Jun 2001 – Apr 2025 |
| Palafox 2182 8E G-4-182607 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 363 | 187K | Apr 2001 – Aug 2017 |
| Palafox Unit G-4-190051 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 360 | 479K | Apr 2002 – Mar 2025 |
| Palafox Exploration Co. -22- G-4-170564 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 322 | 680K | Sep 1998 – Jan 2026 |
| Palafox 2182 - 8 E G-4-183759 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 306 | 601K | Jun 2001 – Apr 2025 |
| Palafox 2182 - 8 E G-4-183758 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 290 | 354K | Jun 2001 – Oct 2024 |
| Palafox Unit G-4-109310 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 274 | 371K | by Jan 1993 – Mar 2025 |
| Palafox Unit G-4-185683 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 230 | 278K | Jul 2001 – Apr 2025 |
| Palafox Unit G-4-181711 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 183 | 693K | Jan 2001 – Apr 2025 |
| Palafox Exploration Co. -15- G-4-179503 | Fasken Oil and Ranch, Ltd. | Gold River, North (Olmos) | Webb | 1 | 177 | 157K | Sep 2000 – Jun 2011 |