1,722 wells across 110 recorded operators, with 0 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 Codell-Niobrara formation in Wyoming has 1,722 wells on record across 110 recorded operators, with 0 drilling permits filed in the 24-month window at source refresh. Its operators with the most wells on record are Gungnir Operating LLC, Eme Wyoming LLC, Bill Barrett, Rki Exploration & Production and Hesperus Energy Ii 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 Codell-Niobrara formation in Wyoming:
| # | Operator | Wells in Codell-Niobrara |
|---|---|---|
| 1 | Gungnir Operating LLC | 996 |
| 2 | Eme Wyoming LLC | 252 |
| 3 | Bill Barrett | 55 |
| 4 | Rki Exploration & Production | 23 |
| 5 | Hesperus Energy Ii LLC | 22 |
| 6 | Petrovalues Wy LLC | 21 |
| 7 | Chesapeake Energy | 20 |
| 8 | Largo Exploration Resources LLC | 18 |
| 9 | Devon Energy Production Company | 16 |
| 10 | King Resources Company | 15 |
The Wyoming counties with the most Codell-Niobrara activity:
Goshen, Platte, Laramie, Sweetwater
The Codell-Niobrara 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 Codell-Niobrara is a formation/play group recorded in Wyoming, with 1,722 wells on file across 110 distinct operators of record. Operators have filed 0 drilling permits targeting the Codell-Niobrara 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.
1,722 wells target the Codell-Niobrara in Wyoming, worked by 110 recorded operators, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
The Codell-Niobrara operators with the most wells on record in Wyoming are Gungnir Operating LLC, Eme Wyoming LLC, Bill Barrett, Rki Exploration & Production and Hesperus Energy Ii LLC. The full ranking is in the table on this page. Formation summary date: 2026-11-01.
Operators filed 0 drilling permits targeting the Codell-Niobrara 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 0 new drilling permits targeting the Codell-Niobrara 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.
Codell-Niobrara activity in Wyoming includes 1,722 wells on record and 110 recorded operators, with 0 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 Codell-Niobrara in Wyoming are Goshen, Platte, Laramie, Sweetwater. 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 Codell-Niobrara activity in your area.
Get Your Free Written OfferFormation: Codell-Niobrara
State: Wyoming
Total wells: 1,722
Recorded operators: 110
Permits 24mo: 0
Summary date: 2026-11-01
Free written offers on Codell-Niobrara mineral rights in Wyoming.
Get Your Free Offer