| A B Geren #006B30-045-35022 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,200 | Oct 19, 2009 | 0 | 36,244 |
| A B Geren #006C30-045-35023 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,312 | Oct 19, 2009 | 0 | 29,322 |
| Aggie State 32 #001B30-045-35021 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,515 | Sep 24, 2009 | 0 | 23,978 |
| Yahtzee #00230-045-31380 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,411 | Jul 11, 2005 | 0 | 11,392 |
| Simmons #002R30-045-32970 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,590 | Mar 24, 2005 | 0 | 31,062 |
| A B Geren #003A30-045-32382 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,590 | Jul 12, 2004 | 0 | 31,705 |
| A B Geren #004A30-045-31823 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,550 | Jun 1, 2004 | 0 | 40,614 |
| Aggie State 32 #001A30-045-32360 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,650 | May 25, 2004 | 0 | 29,436 |
| Heard Com 20 #001A30-045-31824 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,235 | Mar 4, 2004 | 0 | 19,251 |
| Byrne Federal 24 #001R30-039-27556 | Mustang Resources LLC | Rio ArribaLindrith Gallup-Dakota,west | ActiveOil | 8,555 | Dec 17, 2003 | 0 | 273 |
| Noe Com 27 #001A30-045-31825 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,980 | Dec 5, 2003 | 0 | 39,257 |
| A B Geren #001A30-045-31392 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,265 | May 29, 2003 | 0 | 24,376 |
| A B Geren #006A30-045-31388 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,390 | May 7, 2003 | 0 | 36,996 |
| Susan B Com 34 #001A30-045-31394 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,050 | Apr 29, 2003 | 0 | 26,859 |
| Picayune 28 #001A30-045-31446 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,325 | Apr 7, 2003 | 0 | 12,919 |
| A B Geren #002A30-045-31396 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,400 | Apr 4, 2003 | 0 | 16,815 |
| Christina Com 30 #001A30-045-31393 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,005 | Apr 2, 2003 | 0 | 15,936 |
| Noe Com 27 #002A30-045-31391 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,146 | Apr 1, 2003 | 0 | 21,502 |
| Thelma Com 33 #001A30-045-31395 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,282 | Apr 1, 2003 | 0 | 16,459 |
| Snick Com 32 #002A30-045-31449 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,080 | Apr 1, 2003 | 0 | 3,299 |
| L V Hamner a #001C30-045-30645 | Mustang Resources LLC | San JuanBlanco-Mesaverde (Prorated Gas) | ActiveGas | 5,000 | Nov 5, 2001 | 262 | 19,498 |
| Simmons E #003CHZ30-045-30650 | Mustang Resources LLC | San JuanBlanco-Mesaverde (Prorated Gas) | ActiveGas | 5,803 | Oct 15, 2001 | 120 | 16,764 |
| Simmons S #001CHZ30-045-30649 | Mustang Resources LLC | San JuanBlanco-Mesaverde (Prorated Gas) | ActiveGas | 5,633 | Oct 9, 2001 | 47 | 12,060 |
| Yahtzee #00130-045-30292 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,479 | Sep 19, 2001 | 0 | 10,395 |
| HI Roll #004R30-045-29990 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,425 | Sep 10, 2001 | 0 | 3,569 |
| HI Roll #002R30-045-29974 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,450 | Oct 5, 2000 | 0 | 13,771 |
| L V Hamner B #001B30-045-29980 | Mustang Resources LLC | San JuanBlanco-Mesaverde (Prorated Gas) | ActiveGas | 4,705 | Mar 14, 2000 | 66 | 11,217 |
| Simmons E #002R30-045-29595 | Mustang Resources LLC | San JuanBlanco-Mesaverde (Prorated Gas) | ActiveGas | 4,930 | May 11, 1998 | 113 | 16,201 |
| A B Geren #00730-045-29590 | Mustang Resources LLC | San JuanOtero Chacra (Gas) | ActiveGas | 3,342 | Apr 27, 1998 | 0 | 27,078 |
| Shank Com #00130-045-29516 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,385 | Jan 28, 1998 | 0 | 2,595 |
| Noe Com 27 #00130-045-28258 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,074 | Sep 24, 1990 | 0 | 8,972 |
| Thelma Com 33 #00130-045-28114 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,076 | Aug 13, 1990 | 0 | 12,226 |
| Christina Com 30 #00130-045-28111 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,853 | Aug 8, 1990 | 0 | 8,999 |
| Snick Com 32 #00230-045-28113 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,037 | Aug 8, 1990 | 0 | 8,366 |
| Susan B Com 34 #00130-045-28115 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,979 | Aug 8, 1990 | 0 | 18,268 |
| Heard Com 20 #00130-045-28088 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,183 | Aug 6, 1990 | 0 | 10,786 |
| Noe Com 27 #00230-045-28089 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 1,992 | Aug 6, 1990 | 0 | 7,272 |
| Picayune 28 #00130-045-28110 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,177 | Aug 6, 1990 | 0 | 11,686 |
| Aggie State 32 #00130-045-28090 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,475 | Aug 2, 1990 | 0 | 19,698 |
| A B Geren #00130-045-27401 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,188 | Jul 3, 1989 | 0 | 19,575 |
| A B Geren #00230-045-27385 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,517 | Jun 22, 1989 | 0 | 35,949 |
| A B Geren #00330-045-27386 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 3,040 | Jun 22, 1989 | 0 | 21,620 |
| A B Geren #00630-045-27362 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 2,317 | Jun 9, 1989 | 0 | 16,022 |
| A B Geren #00430-045-27332 | Mustang Resources LLC | San JuanBasin Fruitland Coal (Gas) | ActiveGas | 3,042 | May 30, 1989 | 0 | 14,022 |
| Lybrook #00330-039-23994 | Mustang Resources LLC | Rio ArribaLybrook Gallup | ActiveOil | 5,706 | Feb 20, 1986 | 0 | 3,128 |
| Dryden #002E30-045-26002 | Mustang Resources LLC | San JuanBasin Dakota (Prorated Gas) | ActiveGas | 6,845 | Jun 14, 1984 | 0 | 4,237 |
| Dryden #001E30-045-26003 | Mustang Resources LLC | San JuanBasin Dakota (Prorated Gas) | ActiveGas | 7,200 | Jun 14, 1984 | 0 | 9,811 |
| Hanson Federal #00230-039-22882 | Mustang Resources LLC | Rio ArribaLybrook Gallup | ActiveOil | 5,801 | Dec 22, 1981 | 0 | 3,806 |
| Simmons E #003R30-045-24771 | Mustang Resources LLC | San JuanBlanco-Mesaverde (Prorated Gas) | ActiveGas | 5,600 | Jan 9, 1981 | 83 | 23,938 |
| Gonzales #00130-045-24487 | Mustang Resources LLC | San JuanBasin Dakota (Prorated Gas) | ActiveGas | 7,534 | Aug 6, 1980 | 0 | 7,624 |