7,062 wells across 418 active operators, with 0 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 Hilliardbaxtermancos-Niobrara formation in Wyoming has 7,062 wells on record across 418 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 Hilcorp Energy Company, EOG Resources, Urban Oil & Gas Group, Anadarko Petroleum and Wexpro Company. Compiled from Wyoming Oil & Gas Conservation Commission (WOGCC) well-header records, refreshed monthly.
The operators with the most well counts targeting the Hilliardbaxtermancos-Niobrara formation in Wyoming:
| # | Operator | Wells in Hilliardbaxtermancos-Niobrara |
|---|---|---|
| 1 | Hilcorp Energy Company | 1,146 |
| 2 | Eog Resources | 872 |
| 3 | Urban Oil & Gas Group | 599 |
| 4 | Anadarko Petroleum | 469 |
| 5 | Wexpro Company | 386 |
| 6 | Wy Basin Operating LLC | 316 |
| 7 | Breitburn Operating | 281 |
| 8 | Contango Resources Company | 218 |
| 9 | Fdl Operating | 187 |
| 10 | Cabot Oil & Gas | 153 |
The Wyoming counties with the most Hilliardbaxtermancos-Niobrara activity:
Sweetwater, Sublette, Lincoln, Carbon, Uinta
The Hilliardbaxtermancos-Niobrara is one of Wyoming's active oil and gas plays, with 7,062 wells on file across 418 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 Sweetwater, Sublette, Lincoln, Carbon, Uinta, 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.
See all Wyoming oil & gas formations & plays · Download the Wyoming formations dataset (CSV)
7,062 wells target the Hilliardbaxtermancos-Niobrara in Wyoming, worked by 418 active operators, per WOGCC well-header records (as of 2026-08-23).
By well count, the most active Hilliardbaxtermancos-Niobrara operators in Wyoming are Hilcorp Energy Company, EOG Resources, Urban Oil & Gas Group, Anadarko Petroleum and Wexpro Company. 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 WOGCC records.
Operators filed 0 new drilling permits targeting the Hilliardbaxtermancos-Niobrara in Wyoming over the last 24 months. New permits and spuds are the clearest signal of active Hilliardbaxtermancos-Niobrara drilling, per WOGCC records (as of 2026-08-23).
Hilliardbaxtermancos-Niobrara activity in Wyoming currently spans 7,062 wells on record and 418 active operators, led by Hilcorp Energy Company, EOG Resources, Urban Oil & Gas Group, Anadarko Petroleum and Wexpro Company, with 0 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 Hilliardbaxtermancos-Niobrara counties in Wyoming are Sweetwater, Sublette, Lincoln, Carbon, Uinta.
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: Wyoming
Total wells: 7,062
Active operators: 418
Permits 24mo: 0
Last refresh: 2026-08-23
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