919 wells across 224 active operators, with 0 drilling permits filed in the last 24 months.
Refreshed monthly from ECMC well-header records. Data current as of 2026-08-23.
Quick answer: The Hilliardbaxtermancos-Niobrara formation in Colorado has 919 wells on record across 224 active operators, with 0 drilling permits filed in the last 24 months (as of 2026-08-23). Its most active operators by well count are Grmr Oil & Gas, Southwestern Energy Production Company, Entek Grb, Robert L Bayless Producer and Pioneer Natural Resources. Compiled from Colorado Energy & Carbon Management Commission (ECMC) well-header records, refreshed monthly.
The operators with the most well counts targeting the Hilliardbaxtermancos-Niobrara formation in Colorado:
| # | Operator | Wells in Hilliardbaxtermancos-Niobrara |
|---|---|---|
| 1 | Grmr Oil & Gas | 72 |
| 2 | Southwestern Energy Production Company | 60 |
| 3 | Entek Grb | 40 |
| 4 | Robert L Bayless Producer | 29 |
| 5 | Pioneer Natural Resources | 27 |
| 6 | Beeman Oil & Gas | 23 |
| 7 | Phillips Petroleum Company | 20 |
| 8 | Texas Company | 20 |
| 9 | Texaco Exploration And Production | 17 |
| 10 | Petroleum Resources | 17 |
The Colorado counties with the most Hilliardbaxtermancos-Niobrara activity:
Moffat, Routt
The Hilliardbaxtermancos-Niobrara is one of Colorado's active oil and gas plays, with 919 wells on file across 224 distinct operators of record. Operators have filed 0 drilling permits targeting the Hilliardbaxtermancos-Niobrara in the last 24 months — a measure of how active the play is right now versus its historical baseline.
For mineral owners with interests in Moffat, Routt, knowing whether your tract sits within an active Hilliardbaxtermancos-Niobrara footprint is a foundational valuation question. Active formations with consistent permit flow command premium pricing; legacy formations with steady but declining production are valued differently.
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919 wells target the Hilliardbaxtermancos-Niobrara in Colorado, worked by 224 active operators, per ECMC well-header records (as of 2026-08-23).
By well count, the most active Hilliardbaxtermancos-Niobrara operators in Colorado are Grmr Oil & Gas, Southwestern Energy Production Company, Entek Grb, Robert L Bayless Producer and Pioneer Natural Resources. The full ranking is in the table on this page.
Operators filed 0 drilling permits targeting the Hilliardbaxtermancos-Niobrara in the last 24 months — a live measure of current activity, per ECMC records.
Operators filed 0 new drilling permits targeting the Hilliardbaxtermancos-Niobrara in Colorado over the last 24 months. New permits and spuds are the clearest signal of active Hilliardbaxtermancos-Niobrara drilling, per ECMC records (as of 2026-08-23).
Hilliardbaxtermancos-Niobrara activity in Colorado currently spans 919 wells on record and 224 active operators, led by Grmr Oil & Gas, Southwestern Energy Production Company, Entek Grb, Robert L Bayless Producer and Pioneer Natural Resources, with 0 drilling permits filed in the last 24 months — refreshed monthly from Colorado Energy & Carbon Management Commission (ECMC) well-header records (as of 2026-08-23).
The most active Hilliardbaxtermancos-Niobrara counties in Colorado are Moffat, Routt.
Value depends on your net mineral acres or royalty decimal, the operator, the remaining drilling locations, and current oil and gas prices. Buckhead Energy checks your tract against current Hilliardbaxtermancos-Niobrara well and permit data and puts a free, no-obligation written offer in writing — this page is informational only, not a valuation.
Cite this dataset
Permanently archived and citable via a DOI on Zenodo (CERN), under a CC BY 4.0 license. DOI: 10.5281/zenodo.21442884 · View on Zenodo
License & attribution: This data is licensed CC BY 4.0. You are free to share and adapt it, including commercially, provided you credit “Buckhead Energy” and link back to this page or the DOI above.
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Formation: Hilliardbaxtermancos-Niobrara
State: Colorado
Total wells: 919
Active operators: 224
Permits 24mo: 0
Last refresh: 2026-08-23
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