185 wells across 81 active operators, with 8 drilling permits filed in the last 24 months.
Refreshed monthly from WOGCC well-header records. Data current as of 2026-08-23.
Quick answer: The Denver-Cheyenne Basin formation in Wyoming has 185 wells on record across 81 active operators, with 8 drilling permits filed in the last 24 months (as of 2026-08-23). Its most active operators by well count are Longs Peak Resources, Bison Iv Operating LLC, Gungnir Operating LLC, Exeter Drilling Company and True Oil. Compiled from Wyoming Oil & Gas Conservation Commission (WOGCC) well-header records, refreshed monthly.
The operators with the most well counts targeting the Denver-Cheyenne Basin formation in Wyoming:
| # | Operator | Wells in Denver-Cheyenne Basin |
|---|---|---|
| 1 | Longs Peak Resources | 36 |
| 2 | Bison Iv Operating LLC | 23 |
| 3 | Gungnir Operating LLC | 8 |
| 4 | Exeter Drilling Company | 7 |
| 5 | True Oil | 6 |
| 6 | Shell Oil Company | 5 |
| 7 | North Silo Resources LLC | 4 |
| 8 | Griffin Drilling Company | 4 |
| 9 | Bill Barrett | 3 |
| 10 | Severson Petroleum Company | 3 |
The Wyoming counties with the most Denver-Cheyenne Basin activity:
Laramie, Platte, Goshen, Converse, Niobrara
The most recent 2 drilling permits filed for Denver-Cheyenne Basin wells in Wyoming:
| Permit Date | Well | API | County | Operator | Lateral (ft) |
|---|---|---|---|---|---|
| 2026-05-19 | Sparkler 31-30-2ch | 49021296670000 |
Laramie | Prima Exploration | — |
| 2024-11-18 | Buckaroo 1135 6nh | 49021295210000 |
Laramie | Samson Resources Company | — |
Wells targeting the Denver-Cheyenne Basin that have been spudded but are waiting on completion — near-term production upside:
| Spud Date | Days Waiting | Well | Operator | County | Lateral (ft) |
|---|---|---|---|---|---|
| 2026-06-19 | 64 | Sparkler 31-30-2ch | Prima Exploration | Laramie | — |
The Denver-Cheyenne Basin is one of Wyoming's active oil and gas plays, with 185 wells on file across 81 distinct operators of record. Operators have filed 8 drilling permits targeting the Denver-Cheyenne Basin 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 Laramie, Platte, Goshen, Converse, Niobrara, knowing whether your tract sits within an active Denver-Cheyenne Basin 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 Wyoming oil & gas formations & plays · Download the Wyoming formations dataset (CSV)
185 wells target the Denver-Cheyenne Basin in Wyoming, worked by 81 active operators, per WOGCC well-header records (as of 2026-08-23).
By well count, the most active Denver-Cheyenne Basin operators in Wyoming are Longs Peak Resources, Bison Iv Operating LLC, Gungnir Operating LLC, Exeter Drilling Company and True Oil. The full ranking is in the table on this page.
Operators filed 8 drilling permits targeting the Denver-Cheyenne Basin in the last 24 months, and there is 1 drilled-but-uncompleted (DUC) well awaiting completion — a live measure of current activity, per WOGCC records.
Operators filed 8 new drilling permits targeting the Denver-Cheyenne Basin in Wyoming over the last 24 months, with 1 drilled-but-uncompleted (DUC) well awaiting completion. New permits and spuds are the clearest signal of active Denver-Cheyenne Basin drilling, per WOGCC records (as of 2026-08-23).
Denver-Cheyenne Basin activity in Wyoming currently spans 185 wells on record and 81 active operators, led by Longs Peak Resources, Bison Iv Operating LLC, Gungnir Operating LLC, Exeter Drilling Company and True Oil, with 8 drilling permits filed in the last 24 months — refreshed monthly from Wyoming Oil & Gas Conservation Commission (WOGCC) well-header records (as of 2026-08-23).
The most active Denver-Cheyenne Basin counties in Wyoming are Laramie, Platte, Goshen, Converse, Niobrara.
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 Denver-Cheyenne Basin 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: Denver-Cheyenne Basin
State: Wyoming
Total wells: 185
Active operators: 81
Permits 24mo: 8
Last refresh: 2026-08-23
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