199 wells across 92 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 Codell-Niobrara formation in Colorado has 199 wells on record across 92 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 Public Service Company Of Colorado, Prospect Energy, Wissota Petroleum, Petrocanada Resources and Western Gas Supply Company. Compiled from Colorado Energy & Carbon Management Commission (ECMC) well-header records, refreshed monthly.
The operators with the most well counts targeting the Codell-Niobrara formation in Colorado:
| # | Operator | Wells in Codell-Niobrara |
|---|---|---|
| 1 | Public Service Company Of Colorado | 39 |
| 2 | Prospect Energy | 11 |
| 3 | Wissota Petroleum | 9 |
| 4 | Petrocanada Resources | 7 |
| 5 | Western Gas Supply Company | 5 |
| 6 | Union Oil Company Of California | 4 |
| 7 | Western Petroleum Company | 4 |
| 8 | Hs Resources | 4 |
| 9 | Energy & Carbon Management Commission | 4 |
| 10 | Martin Exploration Company | 3 |
The Colorado counties with the most Codell-Niobrara activity:
Boulder, Larimer, Jefferson
The Codell-Niobrara is one of Colorado's active oil and gas plays, with 199 wells on file across 92 distinct operators of record. Operators have filed 0 drilling permits targeting the Codell-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 Boulder, Larimer, Jefferson, knowing whether your tract sits within an active Codell-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.
See all Colorado oil & gas formations & plays · Download the Colorado formations dataset (CSV)
199 wells target the Codell-Niobrara in Colorado, worked by 92 active operators, per ECMC well-header records (as of 2026-08-23).
By well count, the most active Codell-Niobrara operators in Colorado are Public Service Company Of Colorado, Prospect Energy, Wissota Petroleum, Petrocanada Resources and Western Gas Supply Company. The full ranking is in the table on this page.
Operators filed 0 drilling permits targeting the Codell-Niobrara in the last 24 months — a live measure of current activity, per ECMC records.
Operators filed 0 new drilling permits targeting the Codell-Niobrara in Colorado over the last 24 months. New permits and spuds are the clearest signal of active Codell-Niobrara drilling, per ECMC records (as of 2026-08-23).
Codell-Niobrara activity in Colorado currently spans 199 wells on record and 92 active operators, led by Public Service Company Of Colorado, Prospect Energy, Wissota Petroleum, Petrocanada Resources and Western Gas Supply Company, 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 Codell-Niobrara counties in Colorado are Boulder, Larimer, Jefferson.
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 Codell-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: Codell-Niobrara
State: Colorado
Total wells: 199
Active operators: 92
Permits 24mo: 0
Last refresh: 2026-08-23
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