Oil and gas field · Las Animas County, Colorado, United States
Purgatoire River
Purgatoire River is an oil and gas field in Las Animas County, Colorado, United States, with 15,494 boe/day of production in 2025, operated by Evergreen Natural Resources LLC (69.8%), Ogris Operating LLC (22.1%) and Wapiti Operating LLC (6.8%).
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Name in the source | PURGATOIRE RIVER | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Location | Las Animas County | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Status | Operating | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Commodities | gas | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Discovered | 1998 | EIA Oil and Gas Field Code Master List · Public domain · checked 24 Oct 2026 |
| Onshore or offshore | Onshore | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Operator | Evergreen Natural Resources LLC (69.8% of the field's production) | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Operator | Ogris Operating LLC (22.1% of the field's production) | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Operator | Wapiti Operating LLC (6.8% of the field's production) | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Production | 15,494 boe/day (0 barrels of oil a day, 92,964 Mcf of gas a day, in 2025) | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Coordinates | 37.1603, -104.8325 | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
Research on this oil and gas field and its operator.Who owns it up to the parent company, its working-interest owners, their shares and its production by well, and an introduction to the operator.
Request researchHow it compares by production
Purgatoire River is the 13th-largest of 32 oil and gas fields in Colorado and the 131st-largest of 319 in the United States by production, with 15,494 boe/day in 2025. Ranks and totals cover the oil and gas fields in our data that report their production, not every one in existence.
| Within | Rank |
|---|---|
| Colorado | 13th of 32 |
| United States | 131st of 319 |
Timeline
Dated facts about this oil and gas field from its sources, oldest first.
- Discovered
- Evergreen Natural Resources LLC (69.8%), Ogris Operating LLC (22.1%) and Wapiti Operating LLC (6.8%) on record as operators
Nearby
Within 50 km of this oil and gas field: 3 water rights, 2 power plants (1 operating, 140 MW) and 1 mine, measured from the coordinates in the facts above.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Mi Vida Portals | Mine | — | Idle | 11 km |
| Trinidad Reservoir water right 1903935 21205.00000 | Water right | — | — | 25 km |
| Trinidad Reservoir water right 1903935 21205.00000 | Water right | — | — | 25 km |
| Trinidad Reservoir water right 1903935 51864.50895 | Water right | — | — | 25 km |
| Spanish Peaks Solar | Power plant | 140 MW | Operating | 40 km |
| Elk Run | Power plant | 200 MW | Planned | 45 km |
Operators and place
- Evergreen Natural Resources LLCOperator · 69.8%
- Ogris Operating LLCOperator · 22.1%
- Wapiti Operating LLCOperator · 6.8%
- Oil and gas fields in Colorado, United States32
- Oil and gas fields in the United States676
- The United States: country profile
Other oil and gas fields in Colorado
- Wattenberg882,693 boe/day in 2025
- San Juan Basin Gas Area468,019 boe/day in 2013
- DJ Horizontal Niobrara110,716 boe/day in 2025
- Ignacio Blanco97,199 boe/day in 2025
- Grand Valley70,415 boe/day in 2025
- Raton Basin Gas Area50,453 boe/day in 2013
- Rulison34,252 boe/day in 2025
- Yellowjacket28,484 boe/day in 2013
Data on this page
- BSEE Data Center. BSEE Data Center, Public domain.
- Colorado DWR REST API. Colorado DWR REST API, CDSS Terms of Use.
- Colorado ECMC (formerly COGCC). Colorado ECMC (formerly COGCC), Free reuse.
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Source: U.S. Energy Information Administration (Feb 2016). EIA Oil and Gas Field Code Master List, Public domain.
- Source: U.S. Energy Information Administration (Apr 2015). EIA Top 100 U.S. Oil and Gas Fields, Public domain.
- MSHA Mines Data Set. MSHA Mines Data Set, Public domain.