Oil and gas field · Garfield County, Colorado, United States
Mamm Creek
Mamm Creek is an oil and gas field in Garfield County, Colorado, United States, with 19,349 boe/day of production in 2025, operated by QB Energy Operating LLC (53.6%) and TEP Rocky Mountain LLC (46.4%).
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 | MAMM CREEK | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Location | Garfield 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 | 1959 | 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 | QB Energy Operating LLC (53.6%, of the field's production) | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Operator | TEP Rocky Mountain LLC (46.4%, of the field's production) | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Production | 19,349 boe/day (641 barrels of oil a day, 112,248 Mcf of gas a day, in 2025) | Colorado ECMC (formerly COGCC) · Free reuse · checked 24 Oct 2026 |
| Production | 61,164 boe/day (366,986 Mcf of gas a day, no. 16 of EIA's top 100 US gas fields, gas only, oil not ranked, in 2013) | EIA Top 100 U.S. Oil and Gas Fields · Public domain · checked 24 Oct 2026 |
| Coordinates | 39.4804, -107.6842 | 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
Mamm Creek is the 11th-largest of 32 oil and gas fields in Colorado and the 109th-largest of 319 in the United States by production, with 19,349 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 | 11th of 32 |
| United States | 109th of 319 |
Timeline
Dated facts about this oil and gas field from its sources, oldest first.
- Discovered
- QB Energy Operating LLC (53.6%) and TEP Rocky Mountain LLC (46.4%) on record as operators
Nearby
Within 50 km of this oil and gas field: 5 water rights and 1 power plant, measured from the coordinates in the facts above. The table shows the nearest 4, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Rifle Generating Station | Power plant | 84 MW | Closed | 5.7 km |
| Rifle Gap Reservoir water right 3903508 37503.36899 | Water right | — | — | 17 km |
| Vega Reservoir water right 7203844 37486.00000 | Water right | — | — | 31 km |
| NOSR E Parachute CR Res water right 3904013 24446.00000 | Water right | — | — | 31 km |
Operators and place
More from QB Energy Operating LLC
- Grand Valley70,415 boe/day in 2025
- Rulison34,252 boe/day in 2025
- Parachute22,727 boe/day in 2025
- Love Ranch7,090 boe/day in 2025
- Piceance Horizontal Niobrara4,167 boe/day in 2025
- Piceance Creek3,173 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.