769 wells across 154 active operators, with 175 drilling permits filed in the last 24 months.
Refreshed monthly from ODNR well-header records. Data current as of 2026-08-12.
Quick answer: The Appalachian Basin formation in Ohio has 769 wells on record across 154 active operators, with 175 drilling permits filed in the last 24 months (as of 2026-08-12). Its most active operators by well count are Ascent Resourcesmarcellus, Inr Ohio LLC, EOG Ohio, LLC, EOG Resources and Houghton Investments. Compiled from Ohio Department of Natural Resources (ODNR) well-header records, refreshed monthly.
The operators with the most well counts targeting the Appalachian Basin formation in Ohio:
| # | Operator | Wells in Appalachian Basin |
|---|---|---|
| 1 | Ascent Resourcesmarcellus | 83 |
| 2 | Inr Ohio LLC | 75 |
| 3 | Eog Ohio, LLC | 67 |
| 4 | Eog Resources | 59 |
| 5 | Houghton Investments | 20 |
| 6 | Hocking Hills Energy And Well Service LLC | 19 |
| 7 | Ohio Energy Assets | 16 |
| 8 | Chuck Henry Energy | 16 |
| 9 | Mfc Drilling | 15 |
| 10 | Neos Energy LLC | 14 |
The Ohio counties with the most Appalachian Basin activity:
Morgan, Noble, Guernsey, Pickaway, Medina
The most recent 97 drilling permits filed for Appalachian Basin wells in Ohio:
| Permit Date | Well | API | County | Operator | Lateral (ft) |
|---|---|---|---|---|---|
| 2026-08-05 | Chapman Gy Cen 8h | 34059247470000 |
Guernsey | Eog Ohio LLC | — |
| 2026-07-27 | Cooper C Wsg Gr 6h | 34059247660000 |
Guernsey | Ascent Resourcesmarcellus | — |
| 2026-07-24 | Dale Yoder Sw 2hu | 34121247180000 |
Noble | Inr Ohio LLC | — |
| 2026-07-24 | Dale Yoder Sw 1hu | 34121247170000 |
Noble | Inr Ohio LLC | — |
| 2026-07-23 | Cooper W Wsg Gr 4h | 34059247650000 |
Guernsey | Ascent Resourcesmarcellus | — |
| 2026-07-14 | Bates-Davis No. 1-A | 34129202790000 |
Pickaway | Hocking Hills Energy And Well Service LLC | — |
| 2026-07-01 | Ditka Twr 205a | 34157255730000 |
Tuscarawas | Eog | — |
| 2026-07-01 | Ditka Twr 7a | 34157255740000 |
Tuscarawas | Eog | — |
| 2026-07-01 | Ditka Twr 201a | 34157255710000 |
Tuscarawas | Eog | — |
| 2026-07-01 | Ditka Twr 3a | 34157255720000 |
Tuscarawas | Eog | — |
| 2026-06-25 | Gray Ce 9hu | 34059247590000 |
Guernsey | Inr Ohio LLC | — |
| 2026-06-25 | Gray E 15hu | 34059247620000 |
Guernsey | Inr Ohio LLC | — |
| 2026-06-25 | Gray Ce 11hu | 34059247600000 |
Guernsey | Inr Ohio LLC | — |
| 2026-06-25 | Gray E 13hu | 34059247610000 |
Guernsey | Inr Ohio LLC | — |
| 2026-06-12 | Wehr Se 8hu | 34121247160000 |
Noble | Inr Ohio LLC | — |
| 2026-06-12 | Wehr Se 6hu | 34121247150000 |
Noble | Inr Ohio LLC | — |
| 2026-06-12 | Wehr Sw 4hu | 34121247140000 |
Noble | Inr Ohio LLC | — |
| 2026-06-09 | Strine-Beams 1 | 34101202280000 |
Marion | Mfc Drilling | — |
| 2026-06-08 | Forester 1 | 34101202270000 |
Marion | Mfc Drilling | — |
| 2026-06-01 | Mcclenathan 1 | 34101202260000 |
Marion | Mfc Drilling | — |
| 2026-05-19 | Ram USA 1 | 34075256140000 |
Holmes | Mason Drilling | — |
| 2026-05-15 | Bates-Davis Unit 1 | 34129202780000 |
Pickaway | Hocking Hills Energy And Well Service LLC | — |
| 2026-05-08 | Smp2w18 18 | 34103250710000 |
Medina | Bleach Tech | — |
| 2026-05-08 | Smp2w17 17 | 34103250700000 |
Medina | Bleach Tech | — |
| 2026-05-01 | Bridget Unit 1-D | 34117242750000 |
Morrow | Richland Oil | — |
| 2026-04-27 | Demczyx #1 12651 | 34103250690000 |
Medina | Columbia Gas Transmission | — |
| 2026-04-21 | Free 1 | 34141200590000 |
Ross | Valor Energy Partners INC | — |
| 2026-04-17 | Parsell 1a | 34101202250000 |
Marion | Mfc Drilling | — |
| 2026-04-16 | Griffiths 5 | 34075256120000 |
Holmes | Helms Oil | — |
| 2026-03-18 | Stonewell Inj1 | 34101202230000 |
Marion | Vault Gsl Ccs | — |
| 2026-02-23 | Parsell 1 | 34101202240000 |
Marion | Mfc Drilling | — |
| 2026-02-18 | Wilson-Draney Unit 1 | 34045215140000 |
Fairfield | Artex Oil Company | — |
| 2026-02-17 | Moonstone E Snc Nb 8h | 34121247110000 |
Noble | Ascent Resourcesmarcellus | — |
| 2026-02-17 | Moonstone S Snc Nb 4h | 34121247090000 |
Noble | Ascent Resourcesmarcellus | — |
| 2026-02-17 | Moonstone Sw Snc Nb 2h | 34121247080000 |
Noble | Ascent Resourcesmarcellus | — |
| 2026-02-17 | Moonstone Se Snc Nb 6h | 34121247100000 |
Noble | Ascent Resourcesmarcellus | — |
| 2026-02-10 | Stillion S 7hu | 34059247540000 |
Guernsey | Inr Ohio LLC | — |
| 2026-02-09 | Stillion N 13hu | 34059247520000 |
Guernsey | Inr Ohio LLC | — |
| 2026-02-09 | Stillion N 12hu | 34059247510000 |
Guernsey | Inr Ohio LLC | — |
| 2026-02-06 | Rubel S 10hu | 34059247500000 |
Guernsey | Inr Ohio LLC | — |
| 2026-02-06 | Rubel S 6hu | 34059247480000 |
Guernsey | Inr Ohio LLC | — |
| 2026-02-06 | Rubel S 8hu | 34059247490000 |
Guernsey | Inr Ohio LLC | — |
| 2025-12-23 | Robinette 2 | 34073236130000 |
Hocking | Kilbarger Investments | — |
| 2025-12-19 | Dy Farms 1 | 34139207870000 |
Richland | Richland Oil | — |
| 2025-12-12 | Guisinger Unit 1 | 34139207860000 |
Richland | Richland Oil | — |
| 2025-12-09 | Reed 1 | 34139207850000 |
Richland | Richland Oil | — |
| 2025-11-26 | Chapman Gy Cen 210h | 34059247460000 |
Guernsey | Eog Ohio LLC | — |
| 2025-11-26 | Chapman Gy Cen 10h | 34059247450000 |
Guernsey | Eog Ohio LLC | — |
| 2025-11-26 | Chapman Gy Cen 6h | 34059247440000 |
Guernsey | Eog Ohio LLC | — |
| 2025-11-19 | Sunfish Gy Cen 210h | 34059247430000 |
Guernsey | Eog Ohio LLC | — |
Wells targeting the Appalachian Basin that have been spudded but are waiting on completion — near-term production upside:
| Spud Date | Days Waiting | Well | Operator | County | Lateral (ft) |
|---|---|---|---|---|---|
| 2026-07-31 | 11 | Gray E 15hu | Inr Ohio LLC | Guernsey | — |
| 2026-07-31 | 11 | Wehr Se 8hu | Inr Ohio LLC | Noble | — |
The Appalachian Basin is one of Ohio's active oil and gas plays, with 769 wells on file across 154 distinct operators of record. Operators have filed 175 drilling permits targeting the Appalachian Basin in the last 24 months — a measure of how active the play is right now versus its historical baseline.
For mineral owners with interests in Morgan, Noble, Guernsey, Pickaway, Medina, knowing whether your tract sits within an active Appalachian Basin footprint is a foundational valuation question. Active formations with consistent permit flow command premium pricing; legacy formations with steady but declining production are valued differently.
See all Ohio oil & gas formations & plays · Download the Ohio formations dataset (CSV)
769 wells target the Appalachian Basin in Ohio, worked by 154 active operators, per ODNR well-header records (as of 2026-08-12).
By well count, the most active Appalachian Basin operators in Ohio are Ascent Resourcesmarcellus, Inr Ohio LLC, EOG Ohio, LLC, EOG Resources and Houghton Investments. The full ranking is in the table on this page.
Operators filed 175 drilling permits targeting the Appalachian Basin in the last 24 months, and there are 2 drilled-but-uncompleted (DUC) wells awaiting completion — a live measure of current activity, per ODNR records.
Operators filed 175 new drilling permits targeting the Appalachian Basin in Ohio over the last 24 months, with 2 drilled-but-uncompleted (DUC) wells awaiting completion. New permits and spuds are the clearest signal of active Appalachian Basin drilling, per ODNR records (as of 2026-08-12).
Appalachian Basin activity in Ohio currently spans 769 wells on record and 154 active operators, led by Ascent Resourcesmarcellus, Inr Ohio LLC, EOG Ohio, LLC, EOG Resources and Houghton Investments, with 175 drilling permits filed in the last 24 months — refreshed monthly from Ohio Department of Natural Resources (ODNR) well-header records (as of 2026-08-12).
The most active Appalachian Basin counties in Ohio are Morgan, Noble, Guernsey, Pickaway, Medina.
Value depends on your net mineral acres or royalty decimal, the operator, the remaining drilling locations, and current oil and gas prices. Buckhead Energy checks your tract against current Appalachian Basin well and permit data and puts a free, no-obligation written offer in writing — this page is informational only, not a valuation.
Cite this dataset
Permanently archived and citable via a DOI on Zenodo (CERN), under a CC BY 4.0 license. DOI: 10.5281/zenodo.21442884 · View on Zenodo
License & attribution: This data is licensed CC BY 4.0. You are free to share and adapt it, including commercially, provided you credit “Buckhead Energy” and link back to this page or the DOI above.
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Formation: Appalachian Basin
State: Ohio
Total wells: 769
Active operators: 154
Permits 24mo: 175
Last refresh: 2026-08-12