780 wells across 156 active operators, with 172 drilling permits filed in the last 24 months.
Refreshed monthly from ODNR well-header records. Data current as of 2026-08-25.
Quick answer: The Appalachian Basin formation in Ohio has 780 wells on record across 156 active operators, with 172 drilling permits filed in the last 24 months (as of 2026-08-25). 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 | 85 |
| 2 | Inr Ohio LLC | 76 |
| 3 | Eog Ohio, LLC | 67 |
| 4 | Eog Resources | 63 |
| 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 | Layline Oil And Gas | 14 |
The Ohio counties with the most Appalachian Basin activity:
Morgan, Noble, Guernsey, Pickaway, Medina
The most recent 100 drilling permits filed for Appalachian Basin wells in Ohio:
| Permit Date | Well | API | County | Operator | Lateral (ft) |
|---|---|---|---|---|---|
| 2026-08-19 | Dale Yoder Sc 4hu | 34121247210000 |
Noble | Inr Ohio LLC | — |
| 2026-08-17 | Team Legacy 2h | 34059247680000 |
Guernsey | Tiburon Oil Gas Ohio LLC | — |
| 2026-08-17 | Team Legacy 1h | 34059247670000 |
Guernsey | Tiburon Oil Gas Ohio LLC | — |
| 2026-08-17 | Team Legacy 3h | 34059247690000 |
Guernsey | Tiburon Oil Gas Ohio LLC | — |
| 2026-08-14 | Alabaster N Stc Nb 5h | 34121247200000 |
Noble | Ascent Resourcesmarcellus | — |
| 2026-08-14 | Alabaster Nw Stc Nb 3h | 34121247190000 |
Noble | Ascent Resourcesmarcellus | — |
| 2026-08-11 | Pearley Tpr 206d | 34157255770000 |
Tuscarawas | Eog | — |
| 2026-08-11 | Pearley Tpr 4c | 34157255760000 |
Tuscarawas | Eog | — |
| 2026-08-11 | Pearley Tpr 8d | 34157255780000 |
Tuscarawas | Eog | — |
| 2026-08-11 | Pearley Tpr 202c | 34157255750000 |
Tuscarawas | Eog | — |
| 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 201a | 34157255710000 |
Tuscarawas | Eog | — |
| 2026-07-01 | Ditka Twr 205a | 34157255730000 |
Tuscarawas | Eog | — |
| 2026-07-01 | Ditka Twr 7a | 34157255740000 |
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 Ce 11hu | 34059247600000 |
Guernsey | Inr Ohio LLC | — |
| 2026-06-25 | Gray E 13hu | 34059247610000 |
Guernsey | Inr Ohio LLC | — |
| 2026-06-25 | Gray E 15hu | 34059247620000 |
Guernsey | 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 | — |
| 2026-06-12 | Wehr Se 8hu | 34121247160000 |
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 | Smp2w17 17 | 34103250700000 |
Medina | Bleach Tech | — |
| 2026-05-08 | Smp2w18 18 | 34103250710000 |
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 Se Snc Nb 6h | 34121247100000 |
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 | — |
| 2026-02-10 | 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 6hu | 34059247480000 |
Guernsey | Inr Ohio LLC | — |
| 2026-02-06 | Rubel S 10hu | 34059247500000 |
Guernsey | Inr Ohio LLC | — |
The Appalachian Basin is one of Ohio's active oil and gas plays, with 780 wells on file across 156 distinct operators of record. Operators have filed 172 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)
780 wells target the Appalachian Basin in Ohio, worked by 156 active operators, per ODNR well-header records (as of 2026-08-25).
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 172 drilling permits targeting the Appalachian Basin in the last 24 months — a live measure of current activity, per ODNR records.
Operators filed 172 new drilling permits targeting the Appalachian Basin in Ohio over the last 24 months. New permits and spuds are the clearest signal of active Appalachian Basin drilling, per ODNR records (as of 2026-08-25).
Appalachian Basin activity in Ohio currently spans 780 wells on record and 156 active operators, led by Ascent Resourcesmarcellus, Inr Ohio LLC, EOG Ohio, LLC, EOG Resources and Houghton Investments, with 172 drilling permits filed in the last 24 months — refreshed monthly from Ohio Department of Natural Resources (ODNR) well-header records (as of 2026-08-25).
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: 780
Active operators: 156
Permits 24mo: 172
Last refresh: 2026-08-25