| Federal 28 #00430-015-33402 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,800 | Apr 15, 2004 | 8 | 646 |
| Federal 28 #00330-015-33256 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,800 | Feb 20, 2004 | 8 | 646 |
| Bogle Flats #02230-015-32667 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 9,043 | Feb 25, 2003 | 0 | 9,727 |
| Federal 33 Gas Com #00330-015-32180 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 9,150 | Jan 25, 2002 | 0 | 221 |
| Bogle Flats Federal #02330-015-32041 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 9,300 | Oct 9, 2001 | 0 | 17,862 |
| Bright Federal #00430-015-31674 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,850 | Mar 26, 2001 | 0 | 646 |
| Indian Basin a #00430-015-31469 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 9,640 | Nov 17, 2000 | 0 | 4,323 |
| Smith Federal #00330-015-31342 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 8,392 | Sep 13, 2000 | 0 | 10,708 |
| Federal 28 #00230-015-31180 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,650 | Jun 6, 2000 | 8 | 646 |
| North Indian Basin Unit #03630-015-31048 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 8,102 | Mar 24, 2000 | 0 | 27,232 |
| West Indian Basin Unit #001Y30-015-30945 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,780 | Jan 25, 2000 | 100 | 2,584 |
| Conoco State #00630-015-30925 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 7,900 | Jan 13, 2000 | 8 | 1,514 |
| Conoco State Gas Com #00730-015-30875 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,850 | Dec 29, 1999 | 8 | 1,514 |
| Conoco State Gas Com #00430-015-30621 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,823 | Apr 6, 1999 | 18 | 1,564 |
| Federal C 35 #00330-015-30619 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 8,250 | Apr 1, 1999 | 0 | 1,025 |
| Bogle Flats Unit #02030-015-30620 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,520 | Apr 1, 1999 | 0 | 204 |
| Lowe State #00530-015-30583 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Assoc) | ActiveGas | 8,569 | Mar 1, 1999 | 21 | 6,232 |
| 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 |
| Helbing 15 Federal Com #00430-015-29796 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,450 | Aug 14, 1997 | 0 | 5,664 |
| Bogle Flats Unit #01730-015-29295 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,505 | Dec 11, 1996 | 0 | 12,664 |
| Bogle Flats Federal Unit 3 Y1KC #010HZ30-015-29228 | Mewbourne Oil Co only | EddyWC 015 G-3 2223S3K Yeso | ActiveGas | 7,241 | Oct 15, 1996 | 11 | 1,224 |
| Bogle Flats Unit #01630-015-29222 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,304 | Oct 7, 1996 | 0 | 23,026 |
| North Indian Basin Unit #03030-015-29059 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveOil | 9,502 | Jul 15, 1996 | 0 | 1,550 |
| Indian Basin E #00230-015-29017 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,306 | Jul 1, 1996 | 0 | 6,464 |
| Federal 33 Gas Com #00230-015-28953 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,160 | Apr 23, 1996 | 0 | 16,051 |
| Indian Basin D #00230-015-28955 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,192 | Apr 22, 1996 | 0 | 12,733 |
| Bogle Flats Unit #01530-015-28954 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,278 | Apr 17, 1996 | 0 | 14,847 |
| Bogle Flats Unit #01830-015-28884 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,257 | Mar 22, 1996 | 0 | 22,955 |
| Comanche 3 Federal #00130-015-28720 | Hilcorp Energy Company only | EddyDagger Draw; UP Penn, South (Assoc) | ActiveGas | 7,950 | Nov 13, 1995 | 0 | 193 |
| Bright Federal Gas Com #00230-015-28556 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,700 | Jun 14, 1995 | 0 | 646 |
| Bogle Flats Unit #01130-015-28560 | Mewbourne Oil Co only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,500 | Jun 14, 1995 | 0 | 201 |
| Conoco State Gas Com #00230-015-28510 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,637 | May 15, 1995 | 17 | 1,514 |
| Indian Basin a #00330-015-27932 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 9,410 | Apr 28, 1994 | 0 | 2,625 |
| North Indian Basin Unit #00930-015-27917 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,750 | Apr 18, 1994 | 0 | 17,947 |
| Federal C 35 #00230-015-27629 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,450 | Aug 6, 1993 | 0 | 103 |
| 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 |
| North Indian Basin Unit #00830-015-26324 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | — | Jun 1, 1990 | 0 | 10,826 |
| Roaring Springs 14 Federal Com #00130-015-26081 | Hilcorp Energy Company only | EddyDagger Draw; UP Penn, South (Assoc) | ActiveGas | 9,564 | Oct 1, 1989 | 0 | 2,468 |
| Indian Basin a #00230-015-26011 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | — | Jan 1, 1989 | 0 | 3,349 |
| Bunnell Federal #00230-015-25007 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 7,600 | Mar 1, 1985 | 0 | 6,458 |
| Indian Basin a #00130-015-00034 | Hilcorp Energy Company only | EddyIndian Basin; Morrow | ActiveGas | — | — | 0 | 561 |
| J C Williamson Standard Fed Gas Com #00130-015-05918 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | — | — | 0 | 8,431 |
| North Indian Basin Unit #00130-015-10065 | Hilcorp Energy Company only | EddyIndian Basin; Morrow | ActiveGas | — | — | 0 | 119,850 |
| Martha Creek Gas Com #00130-015-10323 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 9,572 | — | 0 | 95,240 |
| Bright Federal Gas Com #00130-015-10386 | Rover Operating, LLC only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 9,300 | — | 0 | 646 |
| Federal C 35 #00130-015-10403 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | 10,778 | — | 0 | 1,825 |
| Federal Iba Gas Com #00130-015-10556 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | — | — | 0 | 16,059 |
| North Indian Basin Unit Gas Com #00330-015-10557 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | — | — | 0 | 196 |
| North Indian Basin Unit #00430-015-10558 | Hilcorp Energy Company only | EddyIndian Basin; Upper Penn (Pro Gas) | ActiveGas | — | — | 0 | 10,727 |