| Lease Name | Location | Operator | Oil Prod | Gas Prod | 
| Cundiff Federal Gu A-N35N7W 20senw | La Plata County, CO | SIMCOE LLC |  |  | 
| Cundiff Federal Gu B-N35N7W 19nese | La Plata County, CO | SIMCOE LLC |  |  | 
| Cundiff Gas Unit C-N35N7W 20nwse | La Plata County, CO | SIMCOE LLC |  |  | 
| Cundiff Gas Unit C-N35N7W 20swne | La Plata County, CO | SIMCOE LLC |  |  | 
| Cundiff-N33N6W 34sese | La Plata County, CO | SIMCOE LLC |  |  | 
| Cushing-N32N13W 1NW (Owp) | La Plata County, CO | RED MESA HOLDINGS/O&G LLC |  |  | 
| Cyrus Johnson Gas Unit A Pla-N33N10 33nese | La Plata County, CO | SIMCOE LLC |  |  | 
| D & A-N33N12W 23swne | La Plata County, CO | WILLIFORD RESOURCES, L.L.C. |  |  | 
| D L Gould Flume Canyon-N33N10W 10NWNW | La Plata County, CO | BENSON-MONTIN-GREER DRILLING CORPORATION |  |  | 
| Dakota Fee-N33N12W 28swse | La Plata County, CO | FRITZ & DIGMAN INC |  |  | 
| Davies Gas Unit A Pla-6-N33N10W 13nenw | La Plata County, CO | SIMCOE LLC |  |  | 
| Davis A-N33N9W 13sene | La Plata County, CO | ABUNDANCE ENERGY SERVICES LLC |  |  | 
| Davis Gas Unit-N33N10W 4nenw | La Plata County, CO | SG INTERESTS I LTD |  |  | 
| Davis Gas Unit-N33N9W 13nwse | La Plata County, CO | ABUNDANCE ENERGY SERVICES LLC |  |  | 
| Davis MV-N33N9W 26nene | La Plata County, CO | ABUNDANCE ENERGY SERVICES LLC |  |  | 
| Davis, Warren Gu C 3 | La Plata County, CO | BP AMERICA PRODUCTION COMPANY |  |  | 
| Davis-N34N8W 5swne | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Davis-N35N8W 28swne | La Plata County, CO | SIMCOE LLC |  |  | 
| Day-V-Ranch 34-1/2-N34.5N9W 35NWSW | La Plata County, CO | ENDURING RESOURCES LLC |  |  | 
| Deer Valley-N32N9W 3sese | La Plata County, CO | ENDURING RESOURCES LLC |  |  | 
| Dekay Gas Unit A-N33N8W 23NWNW | La Plata County, CO | SIMCOE LLC |  |  | 
| Dekay Gu A 4 | La Plata County, CO | BP AMERICA PRODUCTION COMPANY |  |  | 
| Dickens 44-14-M34N8W 14sese | La Plata County, CO | SIMCOE LLC |  |  | 
| Dickens Gas Unit 44-14-M34N8W 14sene | La Plata County, CO | SIMCOE LLC |  |  | 
| Dittmar-N33N7W 15swne | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| DJ Moore Gas Unit A Pla-6-N33N9W 31nenw | La Plata County, CO | SIMCOE LLC |  |  | 
| Docar 33-8-26-N33N8W 26nene | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Docar 33-8-26-N33N8W 26swse | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Docar Gas Unit-N33N8W 26nene | La Plata County, CO | LOGOS OPERATING LLC |  |  | 
| Docar Gas Unit-N33N8W 26senw | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Docar Gas Unit-N33N8W 26sesw | La Plata County, CO | LOGOS OPERATING LLC |  |  | 
| Docar Gas Unit-N33N8W 26swse | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Dodd-N33N8W 3nese | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Dollahon 18u-1-M34N7W 18nwne | La Plata County, CO | SIMCOE LLC |  |  | 
| Dollahon-M34N7W 18nene | La Plata County, CO | SIMCOE LLC |  |  | 
| Dorothy L Gould-N33N10W 10nene | La Plata County, CO | SIMCOE LLC |  |  | 
| Dove,Neva Gas Unit A-N34N7W 1sesw | La Plata County, CO | SIMCOE LLC |  |  | 
| Dowing Ralph Gas Unit-M34N8W 9nesw | La Plata County, CO | SIMCOE LLC |  |  | 
| Dowler-M34N9W 30nesw | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Dowler-M34N9W 30nesw | La Plata County, CO | HILCORP ENERGY COMPANY |  |  | 
| Dowler-M34N9W 30sese | La Plata County, CO | SAMSON RESOURCES COMPANY |  |  | 
| Dpiyr 32-11-N32N11W 16senw | La Plata County, CO | RED WILLOW PRODUCTION COMPANY |  |  | 
| Dry Creek Federal Gas Unit-N34N8W 12nese | La Plata County, CO | SIMCOE LLC |  |  | 
| Dry Creek Federal Gu-N34N8W 12sese | La Plata County, CO | SIMCOE LLC |  |  | 
| Dudley-N33N12W | La Plata County, CO | UNKNOWN |  |  | 
| Duell 32-6-N32N6W 5nene | La Plata County, CO | MORNINGSTAR OPERATING LLC |  |  | 
| Duell 32-6-N32N6W 5senw | La Plata County, CO | MORNINGSTAR OPERATING LLC |  |  | 
| Dufour 32-6-N32N6W 22sene | La Plata County, CO | MORNINGSTAR OPERATING LLC |  |  | 
| Dufour 32-6-N32N6W 22sene | La Plata County, CO | MORNINGSTAR OPERATING LLC |  |  | 
| Dufour 32-6-N32N6W 22sene | La Plata County, CO | MORNINGSTAR OPERATING LLC |  |  |