Oil and gas field · Archuleta County, Colorado, United States
Ignacio Blanco
Ignacio Blanco is an oil and gas field in Archuleta County, Colorado, United States, with 97,199 boe/day of production in 2025, operated by Simcoe LLC (45.3%), Red Willow Production Company (19.1%), Hilcorp Energy Company (11.4%) and 2 others.
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 | IGNACIO BLANCO | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Location | Archuleta County, La Plata County | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Status | Operating | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Commodities | gas | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Discovered | 1950 | 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 24 Oct 2026 |
| Operator | Simcoe LLC (45.3%, of the field's production) | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Operator | Red Willow Production Company (19.1%, of the field's production) | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Operator | Hilcorp Energy Company (11.4%, of the field's production) | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Operator | Enduring Resources LLC (6%, of the field's production) | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Operator | Catamount Energy Partners LLC (6%, of the field's production) | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Production | 97,199 boe/day (2 barrels of oil a day, 583,183 Mcf of gas a day, in 2025) | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Coordinates | 37.1129, -107.6772 | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 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
Ignacio Blanco is the 4th-largest of 32 oil and gas fields in Colorado and the 24th-largest of 319 in the United States by production, with 97,199 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 | 4th of 32 |
| United States | 24th of 319 |
Timeline
Dated facts about this oil and gas field from its sources, oldest first.
- Discovered
- Simcoe LLC (45.3%), Red Willow Production Company (19.1%), Hilcorp Energy Company (11.4%) and 2 others on record as operators
Nearby
Within 50 km of this oil and gas field: 29 water rights, 3 mines (1 operating) and 1 power plant, measured from the coordinates in the facts above. The table shows the nearest 7, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Track Jaw Crusher PS330 | Mine | — | Idle | 7.3 km |
| Water right SP-02883-A | Water right | — | — | 16 km |
| Durango Boating Park Structure 12 water right 3001694 57032.00000 | Water right | — | — | 24 km |
| Durango Boating Park Structure 11 water right 3001693 57032.00000 | Water right | — | — | 25 km |
| King II | Mine | — | Operating | 40 km |
| King III | Mine | — | Closed | 43 km |
| Milagro Cogeneration Plant | Power plant | 122 MW | Closed | 48 km |
Operators and place
- Simcoe LLCOperator · 45.3%
- Red Willow Production CompanyOperator · 19.1%
- Hilcorp Energy CompanyOperator · 11.4%
- Enduring Resources LLCOperator · 6%
- Catamount Energy Partners LLCOperator · 6%
- 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
- 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
- Parachute North23,857 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.
- New Mexico Office of the State Engineer points of diversion (WATERS). New Mexico Office of the State Engineer points of diversion (WATERS), Terms not verified.