803 wells across 156 recorded operators, with 201 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 formation in Ohio has 803 wells on record across 156 recorded operators, with 201 drilling permits filed in the 24-month window at source refresh. Its operators with the most wells on record are Ascent Resourcesmarcellus, Inr Ohio LLC, EOG Ohio, LLC, EOG Resources and Hocking Hills Energy And Well Service LLC. 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 formation in Ohio:
| # | Operator | Wells in Appalachian Basin |
|---|---|---|
| 1 | Ascent Resourcesmarcellus | 88 |
| 2 | Inr Ohio LLC | 82 |
| 3 | Eog Ohio, LLC | 73 |
| 4 | Eog Resources | 68 |
| 5 | Hocking Hills Energy And Well Service LLC | 28 |
| 6 | Houghton Investments | 20 |
| 7 | Ohio Energy Assets | 16 |
| 8 | Chuck Henry Energy | 16 |
| 9 | Mfc Drilling | 15 |
| 10 | Chesapeake Energy | 14 |
The Ohio counties with the most Appalachian Basin activity:
Morgan, Noble, Medina, Guernsey, Pickaway
Drilling permits in Ohio each year, the Appalachian Basin count and share of them, and the median lateral length of those Appalachian Basin permits.
| Year | State permits | This formation | Share | Median lateral |
|---|---|---|---|---|
| 2026 | 513 | 105 | 20.5% | n<5 |
| 2025 | 719 | 95 | 13.2% | 17,934 ft |
| 2024 | 644 | 98 | 15.2% | 17,906 ft |
| 2023 | 253 | 65 | 25.7% | 15,977 ft |
| 2022 | 329 | 66 | 20.1% | 14,285 ft |
| 2021 | 453 | 12 | 2.6% | n<5 |
| 2020 | 404 | <3 | — | n<5 |
| 2019 | 686 | 11 | 1.6% | n<5 |
Share of each year’s Ohio drilling permits by target formation, for the formations with the most permits.
| Year | Utica | Appalachian Basin - (Eastern Overthrust Area) | Appalachian Basin | Medina-Clinton-Tuscarora | Cincinnati Arch | Marcellus |
|---|---|---|---|---|---|---|
| 2026 | 48.3% | 24.8% | 20.5% | 1.8% | 3.9% | — |
| 2025 | 49.4% | 32.1% | 13.2% | 3.6% | 1.3% | — |
| 2024 | 52.5% | 24.5% | 15.2% | 5.9% | 1.9% | — |
| 2023 | 3.6% | 70.8% | 25.7% | — | — | — |
| 2022 | 7.9% | 70.8% | 20.1% | — | — | — |
| 2021 | 81.2% | 6.4% | 2.6% | 8.2% | 0.7% | 0.9% |
| 2020 | 92.8% | 1.5% | — | 4.5% | — | — |
| 2019 | 89.9% | — | 1.6% | 4.8% | 1.6% | 1.6% |
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 is a formation/play group recorded in Ohio, with 803 wells on file across 156 distinct operators of record. Operators have filed 201 drilling permits targeting the Appalachian 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.
803 wells target the Appalachian Basin in Ohio, worked by 156 recorded operators, per Buckhead Energy analysis of public oil and gas data. Formation summary date: 2026-11-06.
The Appalachian Basin operators with the most wells on record in Ohio are Ascent Resourcesmarcellus, Inr Ohio LLC, EOG Ohio, LLC, EOG Resources and Hocking Hills Energy And Well Service LLC. The full ranking is in the table on this page. Formation summary date: 2026-11-06.
Operators filed 201 drilling permits targeting the Appalachian Basin 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 201 new drilling permits targeting the Appalachian Basin in Ohio 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 activity in Ohio includes 803 wells on record and 156 recorded operators, with 201 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 in Ohio are Morgan, Noble, Medina, Guernsey, Pickaway. 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
State: Ohio
Total wells: 803
Recorded operators: 156
Permits 24mo: 201
Summary date: 2026-11-06
