| Ruby JO Aty #002C30-005-63995 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledGas | 6,750 | Nov 9, 2007 | 0 | 0 |
| Value BCV State Com #002X30-005-63958 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledGas | 5,760 | Jul 17, 2007 | 0 | 0 |
| Jervis Ayb Federal #00730-005-63927 | EOG y Resources, Inc. only | ChavesPecos Slope; Abo (Gas) | PluggedGas | 6,100 | Apr 16, 2007 | 0 | 0 |
| Horn YG Federal Com #00830-005-63892 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledOil | 5,875 | Jan 9, 2007 | 0 | 0 |
| Jervis Ayb Federal #008E30-005-63893 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledGas | 5,985 | Dec 4, 2006 | 0 | 0 |
| Horn YG Federal #00530-005-63836 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledGas | 6,080 | Jun 29, 2006 | 0 | 0 |
| Jervis Ayb Federal #00630-005-63765 | IACX Production LLC only | ChavesPecos Slope; Abo (Gas) | ActiveGas | 6,530 | Aug 17, 2005 | 0 | 7,542 |
| Spear OA Federal Com #009C30-005-63761 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledGas | 6,380 | Jul 7, 2005 | 0 | 0 |
| Horn YG Federal Com #008E30-005-63730 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledOil | 5,875 | Jan 10, 2005 | 0 | 0 |
| Pay SWD #002Q30-005-63706 | EOG y Resources, Inc. only | ChavesSWD; Devonian | PluggedSalt water disposal | 6,378 | Nov 17, 2004 | 0 | 0 |
| Value BCV State Com #00230-005-63677 | IACX Production LLC only | ChavesPecos Slope; Abo (Gas) | ActiveGas | 5,675 | Jul 18, 2004 | 0 | 3,960 |
| Horn YG Federal #00430-005-63680 | IACX Production LLC only | ChavesPecos Slope; Abo (Gas) | ActiveGas | 5,860 | Jul 2, 2004 | 0 | 12,333 |
| Filaree Ael Federal #00730-005-63665 | IACX Production LLC only | ChavesFoor Ranch; Wolfcamp, Northwest | ActiveGas | 6,438 | Jun 16, 2004 | 0 | 1,277 |
| Spear OA Federal #005Q30-005-63666 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledGas | 6,390 | May 23, 2004 | 0 | 0 |
| Horn YG Federal Com #007Q30-005-63651 | EOG y Resources, Inc. only | ChavesWildcat; Granite | CanceledGas | 6,570 | Apr 13, 2004 | 0 | 0 |
| Rita TZ Federal #00630-005-63632 | IACX Production LLC only | ChavesLeslie Spring; Wolfcamp,south (G) | ActiveGas | 5,606 | Dec 31, 2003 | 0 | 13,356 |
| Value BCV State Com #00130-005-63590 | IACX Production LLC only | ChavesFoor Ranch; Pre-Permian, N. (G) | ActiveGas | 5,842 | Jul 30, 2003 | 0 | 29,526 |
| Overeasy State #00130-005-63585 | Armstrong Energy Corp only | ChavesFoor Ranch; Wolfcamp (Gas) | PluggedGas | 6,710 | Jul 23, 2003 | 0 | 0 |
| Rolla TC #003C30-005-63560 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledGas | 5,815 | Apr 29, 2003 | 0 | 0 |
| Salem Com #00430-005-63559 | IACX Production LLC only | ChavesLeslie Spring; Wolfcamp,south (G) | ActiveGas | 5,580 | Apr 15, 2003 | 0 | 10,281 |
| Electrolux Bce State #00130-005-63553 | IACX Production LLC only | ChavesPecos Slope; Abo (Gas) | ActiveGas | 5,800 | Mar 19, 2003 | 0 | 6,145 |
| Rita TZ Federal #00430-005-63523 | EOG Resources Inc only | ChavesPecos Slope; Abo (Gas) | PluggedGas | 5,708 | Dec 12, 2002 | 0 | 0 |
| Huckabay TJ Federal Com #00830-005-63504 | IACX Production LLC only | ChavesPecos Slope; Abo (Gas) | ActiveGas | 6,400 | Oct 1, 2002 | 0 | 4,454 |
| Margene Awm Federal #004E30-005-63483 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledGas | 5,650 | Jun 13, 2002 | 0 | 0 |
| Horn YG Federal Com #00630-005-63462 | IACX Production LLC only | ChavesPecos Slope; Abo (Gas) | ActiveGas | 6,565 | Mar 29, 2002 | 0 | 701 |
| Salem #00230-005-63439 | IACX Production LLC only | ChavesPecos Slope; Abo (Gas) | ActiveGas | 5,790 | Jan 2, 2002 | 0 | 15,000 |
| Ruby JO Aty #002C30-005-63436 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledGas | 6,750 | Nov 26, 2001 | 0 | 0 |
| Moalbo Azc State Com #00130-005-63409 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | PluggedGas | 6,670 | Aug 17, 2001 | 0 | 0 |
| Dorothy VO Federal #00230-005-63376 | IACX Production LLC only | ChavesPecos Slope; Abo (Gas) | ActiveGas | 6,531 | Apr 26, 2001 | 0 | 4,493 |
| Railroad State #00230-005-63352 | Solis Partners, L.L.C. only | ChavesFoor Ranch; Pre-Permian, N. (G) | ActiveGas | 5,785 | Mar 14, 2001 | 0 | 789 |
| Caudill RZ #00830-005-63277 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | CanceledGas | 5,420 | Aug 31, 2000 | 0 | 0 |
| Percentage Apr #00130-005-63269 | IACX Production LLC only | ChavesFoor Ranch; Pre-Permian, N. (G) | ActiveGas | 5,850 | Jul 25, 2000 | 0 | 16,321 |
| Ruby JO Aty #00130-005-00158 | EOG y Resources, Inc. only | ChavesFoor Ranch; Pre-Permian, N. (G) | PluggedOil | 6,450 | Jan 13, 2000 | 0 | 0 |
| Horn YG Federal #00230-005-63220 | EOG Resources Inc only | ChavesFoor Ranch; Pre-Permian, N. (G) | PluggedGas | 6,040 | Aug 3, 1999 | 0 | 0 |
| Jasper Arj Federal Com #00330-005-63221 | IACX Production LLC only | ChavesPecos Slope; Abo (Gas) | ActiveGas | 6,025 | Aug 3, 1999 | 0 | 7,346 |
| Horn YG Federal #00130-005-62140 | IACX Production LLC only | ChavesPecos Slope; Abo (Gas) | ActiveGas | 6,290 | May 2, 1984 | 0 | 7,707 |