| Earwood "B" G-1-165014 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 10.3M | Aug 1997 – Apr 2026 |
| Earwood "A" G-1-165336 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 862K | Oct 1997 – Nov 2025 |
| Earwood G.U. 2 G-1-165533 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.35M | Oct 1997 – Apr 2026 |
| Newby G.U. 1 G-1-167314 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.16M | Jan 1998 – Feb 2026 |
| Earwood "B" G-1-167865 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 14.1M | Mar 1998 – Apr 2026 |
| Newby "A" G-1-168438 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 4.98M | May 1998 – Apr 2026 |
| Newby "A" G-1-169049 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.2M | Jun 1998 – Apr 2026 |
| Earwood G.U. 1 G-1-169387 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 3.38M | Jul 1998 – Apr 2026 |
| Newby G. U. 2 G-1-170643 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 2.48M | Oct 1998 – Apr 2026 |
| Newby "A" G-1-172050 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.35M | Dec 1998 – Apr 2026 |
| Newby G. U. 3 G-1-172566 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.88M | Mar 1999 – Apr 2026 |
| Earwood "A" G-1-172591 | Newfield Exploration Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 9.12K | Mar 1999 – Oct 2000 |
| Earwood "A" G-1-173842 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 7.42M | May 1999 – Apr 2026 |
| Earwood "A" G-1-175798 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.62M | Jan 2000 – Sep 2021 |
| Earwood "A" G-1-176804 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.28M | Mar 2000 – Apr 2026 |
| Earwood "A" G-1-177156 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 5.24M | May 2000 – Aug 2025 |
| Whitehead "45" G-1-177421 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.35M | Apr 2000 – Apr 2026 |
| Newby G.U. 4 G-1-177455 | Newfield Exploration Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 0 | — |
| Earwood "A" G-1-177565 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 995K | May 2000 – Apr 2025 |
| Earwood "A" G-1-178614 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 584K | Jul 2000 – Apr 2026 |
| Earwood "A" G-1-179617 | Newfield Exploration Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 0 | — |
| Whitehead "45" G-1-179619 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.12M | Oct 2000 – Apr 2026 |
| Newby "B" G-1-181110 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 365K | Feb 2001 – Apr 2026 |
| Earwood "A" G-1-181112 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 529K | Feb 2001 – Apr 2026 |
| Whitehead 45 G-1-181621 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 3.18M | Dec 2000 – Apr 2026 |
| Earwood "B" G-1-181622 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 369K | Dec 2000 – Oct 2021 |
| Earwood G.U. 1 G-1-181814 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 974K | Mar 2001 – Apr 2026 |
| Earwood G. U. 2 G-1-181819 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.32M | Mar 2001 – Oct 2014 |
| Whitehead 45 G-1-182081 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 53.9K | Dec 2000 – Oct 2014 |
| Earwood "B" G-1-185132 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.52M | Aug 2001 – Apr 2026 |
| Walker, R. C. G-1-186006 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 399K | Sep 2001 – Apr 2026 |
| Newby A G-1-194616 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 5.65M | Apr 2003 – Apr 2026 |
| Newby G.U. 2 G-1-195698 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.1M | Feb 2003 – Aug 2024 |
| Whitehead "45" G-1-196406 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 801K | Jul 2003 – Sep 2022 |
| Newby "A" G-1-197155 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 340K | Sep 2003 – Apr 2026 |
| Earwood "A" G-1-197156 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 577K | Aug 2003 – Apr 2026 |
| Earwood G. U. 1 G-1-197966 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 911K | Oct 2003 – Apr 2026 |
| Newby "B" G-1-197969 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 293K | Sep 2003 – Apr 2026 |
| Newby "A" G-1-198498 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 153K | Oct 2003 – Apr 2026 |
| Whitehead "45" G-1-199656 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 583K | Nov 2003 – Apr 2026 |
| Whitehead "46" G-1-199658 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 229K | Nov 2003 – Apr 2026 |
| Whitehead "46" G-1-205802 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.44M | Nov 2004 – Apr 2026 |
| Whitehead "45" G-1-206411 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.22M | Nov 2004 – Apr 2026 |
| Whitehead "46" G-1-211611 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 449K | Aug 2005 – Apr 2026 |
| Newby "A" G-1-214325 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 1.17K | Dec 2005 – Mar 2006 |
| Newby GU 1 G-1-214613 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 2.05M | Oct 2005 – Apr 2026 |
| Newby G.U. 2 G-1-220305 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 769K | Apr 2006 – Apr 2026 |
| Newby G.U. 3 G-1-220306 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 943K | May 2006 – Apr 2026 |
| Newby 151 "D" G-1-220398 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 689K | Jul 2006 – Nov 2021 |
| Earwood G U 1 G-1-220620 | Hilcorp Energy Company only | Vinegarone, E. (Penn. Sand) | Edwards | 1 | 0 | 209K | Jul 2006 – Apr 2026 |