| VPR B #07230-007-20558 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 4,589 | Dec 1, 2004 | 0 | 465 |
| VPR B #07330-007-20559 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,870 | Dec 1, 2004 | 0 | 14 |
| VPR B #08130-007-20560 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,725 | Dec 1, 2004 | 0 | 14,309 |
| VPR B #053X30-007-20538 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,875 | Jun 16, 2004 | 0 | 6,641 |
| VPR D #167H30-007-20536 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 3,641 | Apr 23, 2004 | 0 | 41 |
| VPR B #05930-007-20525 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,815 | Apr 13, 2004 | 0 | 1,266 |
| VPR B #06030-007-20526 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,755 | Apr 13, 2004 | 0 | 5,795 |
| VPR B #06130-007-20527 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,810 | Apr 13, 2004 | 0 | 635 |
| VPR B #06230-007-20528 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,845 | Apr 13, 2004 | 0 | 5,820 |
| VPR B #06330-007-20529 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,785 | Apr 13, 2004 | 0 | 165 |
| VPR B #07830-007-20530 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,485 | Apr 13, 2004 | 0 | 5,922 |
| VPR B #07930-007-20531 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,275 | Apr 13, 2004 | 0 | 4,728 |
| VPR B #08030-007-20532 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,575 | Apr 13, 2004 | 0 | 5,689 |
| VPR B #05630-007-20515 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,755 | Mar 11, 2004 | 0 | 23,882 |
| VPR B #05730-007-20516 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,785 | Mar 11, 2004 | 0 | 20,025 |
| VPR B #05830-007-20517 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,800 | Mar 11, 2004 | 0 | 11,079 |
| VPR B #04930-007-20518 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,485 | Mar 11, 2004 | 0 | 27,579 |
| VPR B #05030-007-20519 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,875 | Mar 11, 2004 | 0 | 85 |
| VPR B #05130-007-20520 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,725 | Mar 11, 2004 | 0 | 3,063 |
| VPR B #05230-007-20521 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,755 | Mar 11, 2004 | 0 | 13,855 |
| VPR B #05430-007-20523 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,785 | Mar 11, 2004 | 0 | 34,214 |
| VPR B #05530-007-20524 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,875 | Mar 11, 2004 | 0 | 39,715 |
| VPR B #074H30-007-20512 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 3,814 | Feb 23, 2004 | 0 | 9 |
| VPR D #149H30-007-20513 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 3,225 | Feb 23, 2004 | 0 | 84 |
| VPR D #152H30-007-20514 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,622 | Feb 23, 2004 | 0 | 2,440 |
| VPR D #14130-007-20495 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,375 | Jan 28, 2004 | 0 | 5,334 |
| VPR D #14530-007-20496 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,495 | Jan 28, 2004 | 0 | 4,171 |
| VPR D #15030-007-20497 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,495 | Jan 28, 2004 | 0 | 15,360 |
| VPR D #15330-007-20498 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,525 | Jan 28, 2004 | 0 | 27,951 |
| VPR D #15430-007-20499 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,465 | Jan 28, 2004 | 0 | 16,368 |
| VPR D #15530-007-20500 | Wapiti Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,615 | Jan 28, 2004 | 0 | 0 |
| VPR D #15630-007-20501 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,645 | Jan 28, 2004 | 0 | 40 |
| VPR D #15730-007-20502 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,915 | Jan 28, 2004 | 0 | 65 |
| VPR D #15830-007-20503 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,935 | Jan 28, 2004 | 0 | 148 |
| VPR D #15930-007-20504 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 3,115 | Jan 28, 2004 | 0 | 39 |
| VPR D #16030-007-20505 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 3,025 | Jan 28, 2004 | 0 | 0 |
| VPR D #16130-007-20506 | Wapiti Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,935 | Jan 28, 2004 | 0 | 0 |
| VPR D #16330-007-20508 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,440 | Jan 28, 2004 | 0 | 15,486 |
| VPR D #16430-007-20509 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,425 | Jan 28, 2004 | 0 | 39 |
| VPR D #16530-007-20510 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,455 | Jan 28, 2004 | 0 | 777 |
| VPR D #16630-007-20511 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,425 | Jan 28, 2004 | 0 | 8,472 |
| VPR D #16230-007-20507 | Wapiti Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,905 | Jan 20, 2004 | 0 | 0 |
| VPR D #12130-007-20489 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,525 | Dec 22, 2003 | 0 | 6,152 |
| VPR D #12230-007-20490 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,705 | Dec 22, 2003 | 0 | 2,932 |
| VPR D #12330-007-20491 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,645 | Dec 22, 2003 | 0 | 15,153 |
| VPR D #12630-007-20492 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,645 | Dec 22, 2003 | 0 | 7,066 |
| VPR D #12730-007-20493 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,735 | Dec 22, 2003 | 0 | 2,171 |
| VPR D #12930-007-20494 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,795 | Dec 22, 2003 | 0 | 6,642 |
| VPR D #12430-007-20455 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,675 | Oct 30, 2003 | 0 | 5,481 |
| VPR D #12530-007-20456 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,885 | Oct 30, 2003 | 0 | 2,975 |