308 wells across 119 recorded operators, with 23 drilling permits filed in the 24-month window at summary refresh.
Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
Quick answer: The Denver Basin formation in Wyoming has 308 wells on record across 119 recorded operators, with 23 drilling permits filed in the 24-month window at source refresh. Its operators with the most wells on record are Gungnir Operating LLC, Shell Oil Company, Samson Resources Company, Tallgrass High Plains Carbon Storage LLC and North Silo Resources LLC. Source: Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
The operators with the most well counts targeting the Denver Basin formation in Wyoming:
| # | Operator | Wells in Denver Basin |
|---|---|---|
| 1 | Gungnir Operating LLC | 27 |
| 2 | Shell Oil Company | 22 |
| 3 | Samson Resources Company | 16 |
| 4 | Tallgrass High Plains Carbon Storage LLC | 15 |
| 5 | North Silo Resources LLC | 14 |
| 6 | Bison Iv Operating LLC | 14 |
| 7 | Longs Peak Resources | 14 |
| 8 | Prima Exploration | 10 |
| 9 | Phoenix Operating Company | 10 |
| 10 | Rockies Holdings LLC | 7 |
The Wyoming counties with the most Denver Basin activity:
Laramie, Goshen, Platte, Campbell
The Denver Basin is not among the Wyoming formations tracked separately in the yearly permit mix, so only statewide permit counts are shown.
| Year | State permits | This formation | Share | Median lateral |
|---|---|---|---|---|
| 2026 | 616 | — | — | — |
| 2025 | 566 | — | — | — |
| 2024 | 459 | — | — | — |
| 2023 | 581 | — | — | — |
| 2022 | 696 | — | — | — |
| 2021 | 505 | — | — | — |
| 2020 | 456 | — | — | — |
| 2019 | 1,197 | — | — | — |
Share of each year’s Wyoming drilling permits by target formation, for the formations with the most permits.
| Year | Niobrara- Mowry | Powder River Basin | Mesaverde-Lance | Muddy J Sand | Green River Basin | Mesaverde-Lance-Lewis |
|---|---|---|---|---|---|---|
| 2026 | 2.8% | 70% | — | — | 16.4% | — |
| 2025 | 6.5% | 59.4% | 0.9% | — | 19.8% | — |
| 2024 | 17.2% | 52.5% | 1.1% | — | 9.2% | 1.7% |
| 2023 | 15% | 42.3% | 1% | 7.6% | 13.3% | 0.7% |
| 2022 | 33.9% | 26.4% | 6.8% | 10.8% | 4.3% | 2.3% |
| 2021 | 59.4% | 4.6% | 17.8% | 13.9% | — | 2.6% |
| 2020 | 69.7% | 5% | 2.6% | 15.1% | — | 3.1% |
| 2019 | 56% | 6.5% | 17.3% | 9.4% | — | 6.7% |
Buckhead Energy computes every figure on this page from grouped records in public oil and gas data. The page shows counts, sums, percentiles and indexes only; it does not list individual wells, leases or permits.
Counts under 3 wells and percentiles under 5 wells are withheld; totals are floors.
Share is the formation’s permits as a percent of the state’s permits that year. Median lateral length is published only when at least 5 permits stand behind it.
Last computed: 2026-11-01. These figures are informational only and are not a valuation of any mineral or royalty interest.
The Denver Basin is a formation/play group recorded in Wyoming, with 308 wells on file across 119 distinct operators of record. Operators have filed 23 drilling permits targeting the Denver Basin in the 24-month window at summary refresh. These are stored records, not a live measure of drilling.
Recorded formation activity provides regional context. It does not establish ownership, future production, royalty payments or a value for an individual tract. Consult qualified professionals about your specific interest.
308 wells target the Denver Basin in Wyoming, worked by 119 recorded operators, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
The Denver Basin operators with the most wells on record in Wyoming are Gungnir Operating LLC, Shell Oil Company, Samson Resources Company, Tallgrass High Plains Carbon Storage LLC and North Silo Resources LLC. The full ranking is in the table on this page. Formation summary date: 2026-11-01.
Operators filed 23 drilling permits targeting the Denver Basin in the 24-month window at source refresh, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
Operators filed 23 new drilling permits targeting the Denver Basin in Wyoming in the 24-month window at source refresh. New permits and spuds record reported activity stages; they do not establish ongoing drilling, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
Denver Basin activity in Wyoming includes 308 wells on record and 119 recorded operators, with 23 drilling permits filed in the 24-month window at source refresh — from Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
The primary counties recorded for Denver Basin in Wyoming are Laramie, Goshen, Platte, Campbell. Formation summary date: 2026-11-01.
Value depends on your net mineral acres or royalty decimal, the operator, the remaining drilling locations, and current oil and gas prices. This page is informational only, not a valuation. Formation summary date: 2026-11-01.
Get a free written offer based on your specific tract, operator, and the current Denver Basin activity in your area.
Get Your Free Written OfferFormation: Denver Basin
State: Wyoming
Total wells: 308
Recorded operators: 119
Permits 24mo: 23
Summary date: 2026-11-01