| Lease Name | Location | Operator | Oil Prod | Gas Prod | 
| Annala Federal Gas Unit A-N34N8W 15swne | La Plata County, CO | SIMCOE LLC |  |  | 
| Antares-N33N7W 23senw | La Plata County, CO | MERRION OIL & GAS CORP |  |  | 
| Archuleta Dix G.U.-M34N6W 9sene | La Plata County, CO | SIMCOE LLC |  |  | 
| Archuleta/Dix Gas Unit-N34N6W 9swse | La Plata County, CO | SIMCOE LLC |  |  | 
| Arco Ute 32-7-6-N32N7W 6sese | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Arco Ute 32-7-6-N32N7W 6sesw | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Ardourel 33081718 | La Plata County, CO | NUEVIDA RESOURCES LLC |  |  | 
| Argenta 3-N33N10W 3nwne | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 33-10-N33N10W 3senw | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 33-10-N33N10W 4sene | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 33-10-N33N10W 4sesw | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 33-10-N33N10W 6SWSW | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 31nene | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 31SWNW | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 31SWSW | La Plata County, CO | CONOCO PHILLIPS COMPANY |  |  | 
| Argenta 34-10-M34N10W 32nenw | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 32nwse | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 32NWSW | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 33nwne | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 33NWSW | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 33SWNW | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 34nene | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 34nenw | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 34nenw | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta 34-10-M34N10W 34nese | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta Fee-N32N6W 3SWNW | La Plata County, CO | SIMCOE LLC |  |  | 
| Argenta Ute-N33N10W 6senw | La Plata County, CO | AMERICAN PETROLEUM ENERGY CO |  |  | 
| Argenta Ute-N33N10W 6senw | La Plata County, CO | CONOCO PHILLIPS COMPANY |  |  | 
| Argenta-M34N10W 32swne | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta-Ute 33-11-N33N11W 13swse | La Plata County, CO | AMERICAN PETROLEUM ENERGY CO |  |  | 
| Argenta-Ute 33-11-N33N11W 14sene | La Plata County, CO | AMERICAN PETROLEUM ENERGY CO |  |  | 
| Argenta-Ute 33-11-N33N11W 14senw | La Plata County, CO | AMERICAN PETROLEUM ENERGY CO |  |  | 
| Argenta-Ute 34-10-M34N10W 33SWNW | La Plata County, CO | CONOCO PHILLIPS COMPANY |  |  | 
| Argenta-Ute(Epa)-M34N10W 31nwse | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta-Ute-M34N10W 31nwse | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Argenta-Ute-N33N10W 6nwne | La Plata County, CO | AMERICAN PETROLEUM ENERGY CO |  |  | 
| Argenta-Ute-N33N10W 6nwse | La Plata County, CO | CONOCO PHILLIPS COMPANY |  |  | 
| Argenta-Ute-N33N11W 23senw | La Plata County, CO | SIMCOE LLC |  |  | 
| Artfgance 33-7-14-N33N7W 14NWSW | La Plata County, CO | MARALEX RESOURCES, INC |  |  | 
| Artfgance 33-7-14-N33N7W 14SWNW | La Plata County, CO | MARALEX RESOURCES, INC |  |  | 
| Arthur Jones A 3 | La Plata County, CO | SIMCOE LLC |  |  | 
| Arthur Mason Gas Unit B-M34N9W 20nwne | La Plata County, CO | SIMCOE LLC |  |  | 
| Arvil Brown MV-N33N9W 15swse | La Plata County, CO | ABUNDANCE ENERGY SERVICES LLC |  |  | 
| Arvil Brown-N33N9W 15sese | La Plata County, CO | SIMCOE LLC |  |  | 
| Arvil Brown-N33N9W 15swne | La Plata County, CO | ABUNDANCE ENERGY SERVICES LLC |  |  | 
| Aztec Ute-N32N13.5W 4NWNW | La Plata County, CO | MERRION OIL & GAS CORP |  |  | 
| B E Behrmann-N33N7W 15nwse | La Plata County, CO | MERRION OIL & GAS CORP |  |  | 
| Baird Gas Unit 18-1-N33N6W 18sene | La Plata County, CO | SIMCOE LLC |  |  | 
| Baird Gas Unit 18-1-N33N6W 18senw | La Plata County, CO | SIMCOE LLC |  |  | 
| Baird Gas Unit A-M34N7W 16NWSW | La Plata County, CO | SIMCOE LLC |  |  |