| VPR B #10430-007-20657 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,621 | Oct 17, 2005 | 0 | 3,705 |
| VPR B #10530-007-20658 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,755 | Oct 17, 2005 | 0 | 6,991 |
| VPR B #10630-007-20659 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,725 | Oct 17, 2005 | 0 | 26,514 |
| VPR B #10730-007-20660 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,675 | Oct 17, 2005 | 0 | 11,880 |
| VPR B #10930-007-20661 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,725 | Oct 17, 2005 | 0 | 18,350 |
| VPR B #11030-007-20662 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,750 | Oct 17, 2005 | 0 | 14,821 |
| VPR D #171X30-007-20615 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,035 | Apr 15, 2005 | 0 | 5,251 |
| VPR D #17930-007-20586 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,675 | Feb 8, 2005 | 0 | 12,409 |
| VPR B #09930-007-20587 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,665 | Feb 8, 2005 | 0 | 20,201 |
| VPR B #09430-007-20588 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,605 | Feb 8, 2005 | 0 | 15,154 |
| VPR B #09230-007-20589 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,365 | Feb 8, 2005 | 0 | 15,618 |
| VPR B #09130-007-20590 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,725 | Feb 8, 2005 | 0 | 5,735 |
| VPR B #09030-007-20591 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,755 | Feb 8, 2005 | 0 | 175 |
| VPR B #08930-007-20592 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,665 | Feb 8, 2005 | 0 | 1,682 |
| VPR B #08830-007-20593 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,580 | Feb 8, 2005 | 0 | 2,124 |
| VPR B #08730-007-20594 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,495 | Feb 8, 2005 | 0 | 109 |
| VPR B #08630-007-20595 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,605 | Feb 8, 2005 | 0 | 959 |
| VPR B #08530-007-20596 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,635 | Feb 8, 2005 | 0 | 3,748 |
| VPR B #08430-007-20597 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,480 | Feb 8, 2005 | 0 | 6,269 |
| VPR B #08330-007-20598 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,545 | Feb 8, 2005 | 0 | 1,262 |
| VPR B #08230-007-20599 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,615 | Feb 8, 2005 | 0 | 7,985 |
| VPR D #17230-007-20575 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,030 | Jan 24, 2005 | 0 | 170 |
| VPR D #17330-007-20576 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,885 | Jan 24, 2005 | 0 | 12,764 |
| VPR D #17430-007-20577 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,825 | Jan 24, 2005 | 0 | 0 |
| VPR D #17530-007-20578 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,050 | Jan 24, 2005 | 0 | 22,981 |
| VPR D #17630-007-20579 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,035 | Jan 24, 2005 | 0 | 5,331 |
| VPR D #18030-007-20580 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,015 | Jan 24, 2005 | 0 | 21,434 |
| VPR D #18430-007-20581 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,015 | Jan 24, 2005 | 0 | 16,654 |
| VPR D #18530-007-20582 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,820 | Jan 24, 2005 | 0 | 62 |
| VPR D #18730-007-20583 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,975 | Jan 24, 2005 | 0 | 39 |
| VPR B #09330-007-20569 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,845 | Jan 12, 2005 | 0 | 6,738 |
| VPR B #09530-007-20570 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,845 | Jan 12, 2005 | 0 | 6,036 |
| VPR B #09630-007-20571 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,850 | Jan 12, 2005 | 0 | 1,178 |
| VPR B #09730-007-20572 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,695 | Jan 12, 2005 | 0 | 418 |
| VPR B #09830-007-20573 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,575 | Jan 12, 2005 | 0 | 981 |
| VPR D #19030-007-20562 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 3,275 | Dec 15, 2004 | 0 | 11,685 |
| VPR D #19130-007-20563 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,295 | Dec 15, 2004 | 0 | 6,635 |
| VPR D #19230-007-20564 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,345 | Dec 15, 2004 | 0 | 41,964 |
| VPR D #19330-007-20565 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 3,029 | Dec 15, 2004 | 0 | 8,660 |
| VPR D #19430-007-20566 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,558 | Dec 15, 2004 | 0 | 28,333 |
| VPR D #19530-007-20567 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,345 | Dec 15, 2004 | 0 | 24,848 |
| VPR D #19630-007-20568 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 1,495 | Dec 15, 2004 | 0 | 38,292 |
| VPR B #07030-007-20561 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,635 | Dec 2, 2004 | 0 | 9,720 |
| VPR B #06430-007-20551 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,665 | Dec 1, 2004 | 0 | 8,469 |
| VPR B #06530-007-20552 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,650 | Dec 1, 2004 | 0 | 15,479 |
| VPR B #06630-007-20553 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,665 | Dec 1, 2004 | 0 | 2,202 |
| VPR B #06730-007-20554 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,250 | Dec 1, 2004 | 0 | 3,434 |
| VPR B #06830-007-20555 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,605 | Dec 1, 2004 | 0 | 232 |
| VPR B #06930-007-20556 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,835 | Dec 1, 2004 | 0 | 268 |
| VPR B #07130-007-20557 | High River Resources Operating, LLC only | ColfaxCastle Rock Park-Vermejo Gas | ActiveGas | 2,695 | Dec 1, 2004 | 0 | 3,630 |