76,491 wells across 1,572 active operators, with 70 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 Niobrara- Mowry formation in Wyoming has 76,491 wells on record across 1,572 active operators, with 70 drilling permits filed in the last 24 months (as of 2026-08-23). Its most active operators by well count are EOG Resources, Devon Energy Production Company, Wold Energy Partners, Anadarko Petroleum and Lance Oil & Gas Company. Compiled from Wyoming Oil & Gas Conservation Commission (WOGCC) well-header records, refreshed monthly.
The operators with the most well counts targeting the Niobrara- Mowry formation in Wyoming:
| # | Operator | Wells in Niobrara- Mowry |
|---|---|---|
| 1 | Eog Resources | 6,887 |
| 2 | Devon Energy Production Company | 3,774 |
| 3 | Wold Energy Partners | 3,661 |
| 4 | Anadarko Petroleum | 3,187 |
| 5 | Lance Oil & Gas Company | 2,402 |
| 6 | Fdl Operating | 2,325 |
| 7 | Contango Resources Company | 2,005 |
| 8 | Wrc Energy LLC | 1,953 |
| 9 | Anschutz Exploration | 1,632 |
| 10 | Carbon Creek Energy | 1,617 |
The Wyoming counties with the most Niobrara- Mowry activity:
Campbell, Converse, Natrona, Johnson, Weston
The most recent 3 drilling permits filed for Niobrara- Mowry wells in Wyoming:
| Permit Date | Well | API | County | Operator | Lateral (ft) |
|---|---|---|---|---|---|
| 2026-06-18 | Abbey Fed 3671-33-9-15w Mh | 49009343680000 |
Converse | Anschutz Exploration | 10,606 |
| 2026-06-18 | Abbey Fed 3671-33-9-16w Mh | 49009343660000 |
Converse | Anschutz Exploration | 108 |
| 2025-11-18 | Roper Fed 3671-15-22-15e Nh | 49009316110000 |
Converse | Anschutz Exploration | 10,689 |
Wells targeting the Niobrara- Mowry that have been spudded but are waiting on completion — near-term production upside:
| Spud Date | Days Waiting | Well | Operator | County | Lateral (ft) |
|---|---|---|---|---|---|
| 2026-08-15 | 7 | Davis Fed 47-72-19-18-Ash | Wave Petroleum Operating | Campbell | — |
| 2026-06-19 | 64 | Abbey Fed 3671-33-9-16w Mh | Anschutz Exploration | Converse | 108 |
| 2026-06-17 | 66 | Francis Warren 4174-27-34-1nh | Wrc Energy LLC | Campbell | — |
| 2026-06-17 | 66 | Edward Creighton 4174-22-15-1nh | Wrc Energy LLC | Campbell | 9,754 |
The Niobrara- Mowry is one of Wyoming's active oil and gas plays, with 76,491 wells on file across 1,572 distinct operators of record. Operators have filed 70 drilling permits targeting the Niobrara- Mowry 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 Campbell, Converse, Natrona, Johnson, Weston, knowing whether your tract sits within an active Niobrara- Mowry 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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76,491 wells target the Niobrara- Mowry in Wyoming, worked by 1,572 active operators, per WOGCC well-header records (as of 2026-08-23).
By well count, the most active Niobrara- Mowry operators in Wyoming are EOG Resources, Devon Energy Production Company, Wold Energy Partners, Anadarko Petroleum and Lance Oil & Gas Company. The full ranking is in the table on this page.
Operators filed 70 drilling permits targeting the Niobrara- Mowry in the last 24 months, and there are 4 drilled-but-uncompleted (DUC) wells awaiting completion — a live measure of current activity, per WOGCC records.
Operators filed 70 new drilling permits targeting the Niobrara- Mowry in Wyoming over the last 24 months, with 4 drilled-but-uncompleted (DUC) wells awaiting completion. New permits and spuds are the clearest signal of active Niobrara- Mowry drilling, per WOGCC records (as of 2026-08-23).
Niobrara- Mowry activity in Wyoming currently spans 76,491 wells on record and 1,572 active operators, led by EOG Resources, Devon Energy Production Company, Wold Energy Partners, Anadarko Petroleum and Lance Oil & Gas Company, with 70 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 Niobrara- Mowry counties in Wyoming are Campbell, Converse, Natrona, Johnson, Weston.
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 Niobrara- Mowry 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: Niobrara- Mowry
State: Wyoming
Total wells: 76,491
Active operators: 1,572
Permits 24mo: 70
Last refresh: 2026-08-23
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