| Indian Basin 25 Federal #002Q30-015-34025 | Hilcorp Energy Company only | EddyIndian Basin; Morrow | ActiveGas | 9,690 | Mar 21, 2005 | 0 | 2,050 |
| Indian Hills Unit #05930-015-33759 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 10,575 | Sep 13, 2004 | 0 | 2,269 |
| Lowe State #00630-015-33373 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,000 | Mar 15, 2004 | 20 | 2,610 |
| Indian Hills Unit Gas Com #046Q30-015-33008 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,117 | Sep 15, 2003 | 0 | 4,832 |
| Winston Gas Com #01030-015-32576 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,350 | Jan 8, 2003 | 0 | 53,692 |
| Martha Creek Gas Com #00730-015-32646 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveOil | 7,990 | Dec 19, 2002 | 0 | 51,163 |
| Smith Federal Gas Com #00430-015-32470 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,000 | Sep 18, 2002 | 3 | 406 |
| Conoco State #00830-015-32413 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 7,975 | Aug 27, 2002 | 8 | 1,514 |
| Federal C 35 #004Q30-015-32453 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,465 | Aug 16, 2002 | 0 | 2,460 |
| Indian Hills Unit #04330-015-32246 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,533 | Apr 3, 2002 | 0 | 6,742 |
| Indian Hills Unit #04030-015-32222 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,719 | Feb 27, 2002 | 0 | 6,058 |
| Federal 33 Gas Com #00330-015-32180 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 9,150 | Jan 25, 2002 | 0 | 221 |
| Martha Creek Gas Com #006Q30-015-32165 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,010 | Jan 17, 2002 | 0 | 27 |
| Indian Hills Unit #03330-015-31755 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,555 | Apr 30, 2001 | 0 | 3,954 |
| Indian Hills Unit #03130-015-31534 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,955 | Jan 5, 2001 | 0 | 1,790 |
| Indian Hills Unit #02430-015-31266 | OXY USA WTP Limited Partnership only | EddyIndian Basin; Upper Penn (Assoc) | PluggedGas | 8,660 | Jun 30, 2000 | 0 | 1 |
| Indian Hills Unit #02230-015-31150 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,745 | May 11, 2000 | 0 | 7,803 |
| Conoco State #00630-015-30925 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 7,900 | Jan 13, 2000 | 8 | 1,514 |
| Winston Gas Com #00730-015-30872 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,350 | Dec 14, 1999 | 0 | 3,397 |
| Winston Gas Com #00830-015-30873 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 9,050 | Dec 14, 1999 | 0 | 44,258 |
| Indian Hills Unit #02130-015-30811 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,305 | Oct 29, 1999 | 0 | 5,816 |
| Smith Federal Gas Com #00330-015-30687 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,010 | Jun 23, 1999 | 64 | 1,381 |
| Lowe State #00430-015-30625 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 9,778 | Apr 13, 1999 | 20 | 1,534 |
| Lowe State #00530-015-30583 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,569 | Mar 1, 1999 | 21 | 6,232 |
| Indian Hills Unit #01930-015-30572 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,200 | Jan 28, 1999 | 0 | 24,877 |
| Winston Gas Com #00530-015-30478 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,300 | Nov 2, 1998 | 0 | 68,847 |
| Winston Gas Com #00330-015-30359 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 10,182 | Jul 23, 1998 | 0 | 1,558 |
| Martha Creek Gas Com #00530-015-30245 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,300 | May 12, 1998 | 0 | 686 |
| Lowe State #00330-015-30086 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 9,736 | Feb 18, 1998 | 18 | 7,724 |
| Indian Hills Unit Gas Com #01330-015-30274 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 7,923 | Sep 16, 1997 | 0 | 7,338 |
| U S 13 Federal #00130-015-24193 | Hilcorp Energy Company only | EddyMcKittrick Hills; Upper Penn (Gas) | ActiveGas | 8,240 | Aug 20, 1997 | 0 | 72,707 |
| McKittrick Federal Com #001Y30-015-22570 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 10,631 | Jan 21, 1997 | 0 | 271,369 |
| Smith Federal Gas Com #00230-015-26834 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 7,600 | Feb 1, 1992 | 5 | 2,398 |
| Indian Hills Unit #00630-015-25827 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 9,820 | Nov 1, 1988 | 0 | 20,465 |