17,028 wells across 989 recorded operators, with 590 drilling permits filed in the 24-month window at summary refresh.
Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
Quick answer: The Appalachian Basin - (Eastern Overthrust Area) formation in West Virginia has 17,028 wells on record across 989 recorded operators, with 590 drilling permits filed in the 24-month window at source refresh. Its operators with the most wells on record are Antero Resources, Diversified Production LLC, EQT Production Company, Eastern Gas Transmission And Storage Inc. and Energy Corporation Of America. Source: Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
The operators with the most well counts targeting the Appalachian Basin - (Eastern Overthrust Area) formation in West Virginia:
| # | Operator | Wells in Appalachian Basin - (Eastern Overthrust Area) |
|---|---|---|
| 1 | Antero Resources | 1,233 |
| 2 | Diversified Production LLC | 1,166 |
| 3 | Eqt Production Company | 1,131 |
| 4 | Eastern Gas Transmission And Storage INC | 471 |
| 5 | Energy Corporation Of America | 438 |
| 6 | West Virginia Mineral Development Company | 310 |
| 7 | Expand Operating LLC | 306 |
| 8 | Wv Mineral Group LLC | 287 |
| 9 | Petroleum Development | 274 |
| 10 | Cnx Gas | 265 |
The West Virginia counties with the most Appalachian Basin - (Eastern Overthrust Area) activity:
Ritchie, Doddridge, Harrison, Wetzel, Gilmer
Drilling permits in West Virginia each year, the Appalachian Basin - (Eastern Overthrust Area) count and share of them, and the median lateral length of those Appalachian Basin - (Eastern Overthrust Area) permits.
| Year | State permits | This formation | Share | Median lateral |
|---|---|---|---|---|
| 2026 | 469 | 254 | 54.2% | 285 ft |
| 2025 | 657 | 403 | 61.3% | 11,331 ft |
| 2024 | 445 | 266 | 59.8% | 15,997 ft |
| 2023 | 714 | 375 | 52.5% | 12,207 ft |
| 2022 | 589 | 350 | 59.4% | 14,629 ft |
| 2021 | 588 | 164 | 27.9% | 11,919 ft |
| 2020 | 381 | 26 | 6.8% | 5,703 ft |
| 2019 | 775 | 35 | 4.5% | n<5 |
Share of each year’s West Virginia drilling permits by target formation, for the formations with the most permits.
| Year | Marcellus | Appalachian Basin - (Eastern Overthrust Area) | Utica | Medina-Clinton-Tuscarora | Appalachian Basin | Berea-Murrysville |
|---|---|---|---|---|---|---|
| 2026 | 21.5% | 54.2% | 2.8% | 9.6% | 6.8% | 0.9% |
| 2025 | 29.4% | 61.3% | 2.3% | 1.5% | 5.5% | — |
| 2024 | 33.5% | 59.8% | 1.1% | 2.2% | 3.4% | — |
| 2023 | 31% | 52.5% | 4.3% | 4.2% | 8% | — |
| 2022 | 29.9% | 59.4% | 2.9% | 3.4% | 4.4% | — |
| 2021 | 59% | 27.9% | 6.1% | 3.6% | 2.9% | 0.5% |
| 2020 | 66.4% | 6.8% | 18.1% | 7.9% | 0.8% | — |
| 2019 | 64.6% | 4.5% | 22.3% | 6.3% | 1.4% | 0.8% |
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: 2026-11-06. These figures are informational only and are not a valuation of any mineral or royalty interest.
The Appalachian Basin - (Eastern Overthrust Area) is a formation/play group recorded in West Virginia, with 17,028 wells on file across 989 distinct operators of record. Operators have filed 590 drilling permits targeting the Appalachian Basin - (Eastern Overthrust Area) 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.
17,028 wells target the Appalachian Basin - (Eastern Overthrust Area) in West Virginia, worked by 989 recorded operators, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
The Appalachian Basin - (Eastern Overthrust Area) operators with the most wells on record in West Virginia are Antero Resources, Diversified Production LLC, EQT Production Company, Eastern Gas Transmission And Storage Inc. and Energy Corporation Of America. The full ranking is in the table on this page. Formation summary date: 2026-11-06.
Operators filed 590 drilling permits targeting the Appalachian Basin - (Eastern Overthrust Area) in the 24-month window at source refresh, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
Operators filed 590 new drilling permits targeting the Appalachian Basin - (Eastern Overthrust Area) in West Virginia 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: 2026-11-06.
Appalachian Basin - (Eastern Overthrust Area) activity in West Virginia includes 17,028 wells on record and 989 recorded operators, with 590 drilling permits filed in the 24-month window at source refresh — from Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
The primary counties recorded for Appalachian Basin - (Eastern Overthrust Area) in West Virginia are Ritchie, Doddridge, Harrison, Wetzel, Gilmer. Formation summary date: 2026-11-06.
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: 2026-11-06.
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Get Your Free Written OfferFormation: Appalachian Basin - (Eastern Overthrust Area)
State: West Virginia
Total wells: 17,028
Recorded operators: 989
Permits 24mo: 590
Summary date: 2026-11-06
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