6,695 wells across 835 recorded operators, with 3 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 Big Horn Basin formation in Wyoming has 6,695 wells on record across 835 recorded operators, with 3 drilling permits filed in the 24-month window at source refresh. Its operators with the most wells on record are Merit Energy Company, Marathon Oil Company, Contango Resources Company, Citation Oil & Gas and Breitburn Operating. 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 Big Horn Basin formation in Wyoming:
| # | Operator | Wells in Big Horn Basin |
|---|---|---|
| 1 | Merit Energy Company | 1,563 |
| 2 | Marathon Oil Company | 638 |
| 3 | Contango Resources Company | 383 |
| 4 | Citation Oil & Gas | 299 |
| 5 | Breitburn Operating | 173 |
| 6 | Bpx Operating Company | 138 |
| 7 | Granite Creek Energy LLC | 115 |
| 8 | Conocophillips Company | 92 |
| 9 | Vaquero Big Horn | 82 |
| 10 | New Era Petroleum | 74 |
The Wyoming counties with the most Big Horn Basin activity:
Park, Hot Springs, Big Horn, Washakie, Sheridan
The Big Horn 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 Big Horn Basin is a formation/play group recorded in Wyoming, with 6,695 wells on file across 835 distinct operators of record. Operators have filed 3 drilling permits targeting the Big Horn 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.
6,695 wells target the Big Horn Basin in Wyoming, worked by 835 recorded operators, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-01.
The Big Horn Basin operators with the most wells on record in Wyoming are Merit Energy Company, Marathon Oil Company, Contango Resources Company, Citation Oil & Gas and Breitburn Operating. The full ranking is in the table on this page. Formation summary date: 2026-11-01.
Operators filed 3 drilling permits targeting the Big Horn 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 3 new drilling permits targeting the Big Horn 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.
Big Horn Basin activity in Wyoming includes 6,695 wells on record and 835 recorded operators, with 3 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 Big Horn Basin in Wyoming are Park, Hot Springs, Big Horn, Washakie, Sheridan. 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 Big Horn Basin activity in your area.
Get Your Free Written OfferFormation: Big Horn Basin
State: Wyoming
Total wells: 6,695
Recorded operators: 835
Permits 24mo: 3
Summary date: 2026-11-01
