Oil and gas field · Weld County, Colorado, United States
Hereford
Hereford is an oil and gas field in Weld County, Colorado, United States, with 3,883 boe/day of production in 2025, operated by Bison IV Operating LLC.
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 | HEREFORD | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Location | Weld County | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Status | Operating | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Commodities | oil, gas (mainly oil) | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Discovered | 1973 | 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 | Bison IV Operating LLC (100% of the field's production) | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Production | 3,883 boe/day (2,992 barrels of oil a day, 5,349 Mcf of gas a day, in 2025) | Colorado ECMC (formerly COGCC) · Free reuse · checked 25 Oct 2026 |
| Coordinates | 40.9545, -104.4040 | 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
Hereford is the 19th-largest of 32 oil and gas fields in Colorado and the 237th-largest of 319 in the United States by production, with 3,883 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 | 19th of 32 |
| United States | 237th of 319 |
Timeline
Dated facts about this oil and gas field from its sources, oldest first.
- Discovered
- Bison IV Operating LLC (100%) on record as operator
Nearby
Within 50 km of this oil and gas field: 14 data centers (1 operating, 152 MW), 2 power plants and 2 water rights, measured from the coordinates in the facts above. The table shows the nearest 7, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Cowboy Solar I | Power plant | 800 MW | Planned | 8.9 km |
| Cowboy Solar II | Power plant | 565 MW | Permitted | 8.9 km |
| Consolidated Larson D water right 0100620 19492.00000 | Water right | — | — | 12 km |
| Data center, Laramie County (OSM way 1197757147) | Data center | — | — | 33 km |
| Data center, Laramie County (OSM way 1485867694) | Data center | — | — | 34 km |
| Data center, Laramie County (OSM way 1485867696) | Data center | — | — | 34 km |
| Owl Creek Ditch water right 0100902 20560.00000 | Water right | — | — | 44 km |
Operator and place
More from Bison IV Operating LLC
- DJ Horizontal Niobrara110,716 boe/day in 2025
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.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.