| Indian Basin 32 State #00930-015-34102 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,620 | May 9, 2005 | 0 | 0 |
| Indian Basin 32 State #005M30-015-34077 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,411 | Apr 26, 2005 | 0 | 0 |
| Indian Basin 25 Federal #002Q30-015-34025 | Hilcorp Energy Company | EddyIndian Basin; Morrow | ActiveGas | 9,690 | Mar 21, 2005 | 0 | 2,050 |
| Two Marks 36 State #00230-015-33744 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,536 | Dec 2, 2004 | 0 | 0 |
| Indian Hills Unit #05930-015-33759 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 10,575 | Sep 13, 2004 | 0 | 2,269 |
| Big Walt 2 State #01030-015-33442 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedOil | 8,456 | Jun 4, 2004 | 0 | 0 |
| Big Walt 2 State #009HZ30-015-33226 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,378 | Feb 6, 2004 | 0 | 0 |
| Indian Basin 32 State #006HZ30-015-33031 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,826 | Oct 7, 2003 | 0 | 0 |
| Indian Hills Unit Gas Com #046Q30-015-33008 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,117 | Sep 15, 2003 | 0 | 4,832 |
| Righthand Canyon 34 Fee Com #00730-015-32807 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,910 | May 29, 2003 | 0 | 0 |
| Righthand Canyon 35 Fee Com #00130-015-26126 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,504 | Apr 30, 2003 | 0 | 0 |
| Big Walt 2 State #004Q30-015-32636 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedOil | 8,281 | Feb 13, 2003 | 0 | 0 |
| Big Walt 2 State #00530-015-32637 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedOil | 8,280 | Feb 13, 2003 | 0 | 0 |
| Winston Gas Com #01030-015-32576 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,350 | Jan 8, 2003 | 0 | 53,692 |
| Martha Creek Gas Com #00730-015-32646 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveOil | 7,990 | Dec 19, 2002 | 0 | 51,163 |
| Federal C 35 #004Q30-015-32453 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,465 | Aug 16, 2002 | 0 | 2,460 |
| Indian Hills Unit #04330-015-32246 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,533 | Apr 3, 2002 | 0 | 6,742 |
| Indian Hills Unit #04030-015-32222 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,719 | Feb 27, 2002 | 0 | 6,058 |
| Martha Creek Gas Com #006Q30-015-32165 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,010 | Jan 17, 2002 | 0 | 27 |
| Indian Hills Unit #03930-015-32103 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,918 | Nov 26, 2001 | 0 | 0 |
| Indian Hills Unit #03330-015-31755 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,555 | Apr 30, 2001 | 0 | 3,954 |
| Indian Hills Unit #03230-015-31591 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,700 | Feb 2, 2001 | 0 | 0 |
| Indian Hills Unit #03130-015-31534 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,955 | Jan 5, 2001 | 0 | 1,790 |
| Indian Hills Unit #02830-015-31267 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,870 | Jul 25, 2000 | 0 | 0 |
| Indian Hills Unit #02230-015-31150 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,745 | May 11, 2000 | 0 | 7,803 |
| Winston Gas Com #00730-015-30872 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,350 | Dec 14, 1999 | 0 | 3,397 |
| Winston Gas Com #00830-015-30873 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 9,050 | Dec 14, 1999 | 0 | 44,258 |
| Indian Hills Unit #02130-015-30811 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,305 | Oct 29, 1999 | 0 | 5,816 |
| Indian Basin 32 State #00430-015-30618 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,105 | Apr 6, 1999 | 0 | 0 |
| Indian Hills Unit #01930-015-30572 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,200 | Jan 28, 1999 | 0 | 24,877 |
| Winston Gas Com #00530-015-30478 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,300 | Nov 2, 1998 | 0 | 68,847 |
| Winston Gas Com #00330-015-30359 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 10,182 | Jul 23, 1998 | 0 | 1,558 |
| Martha Creek Gas Com #00530-015-30245 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,300 | May 12, 1998 | 0 | 686 |
| Indian Basin 32 State #00230-015-30097 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,550 | Feb 18, 1998 | 0 | 0 |
| Indian Hills Unit Gas Com #01330-015-30274 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 7,923 | Sep 16, 1997 | 0 | 7,338 |
| U S 13 Federal #00130-015-24193 | Hilcorp Energy Company | EddyMcKittrick Hills; Upper Penn (Gas) | ActiveGas | 8,240 | Aug 20, 1997 | 0 | 72,707 |
| McKittrick Federal Com #001Y30-015-22570 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 10,631 | Jan 21, 1997 | 0 | 271,369 |
| Big Walt 2 State #00330-015-28186 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 10,370 | Nov 9, 1994 | 0 | 0 |
| Big Walt 2 State #00130-015-22947 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 7,975 | May 25, 1993 | 0 | 0 |
| IB 32 State #001Y30-015-25133 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | — | Sep 1, 1989 | 0 | 0 |
| Indian Hills Unit #00630-015-25827 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 9,820 | Nov 1, 1988 | 0 | 20,465 |
| Lowe State Gas Com #00130-015-10342 | Hilcorp Energy Company | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 9,650 | — | 0 | 0 |