Hardin County, Ohio Wells Summary
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Total wells
Drill activity
Hardin County contains 349 wells on file, with top operators including CHATHAM ASSOCIATES and KNOX ENERGY INC..
Most recent well on record: KRITZLER WILBUR R (KOHLER) # 1, operated by KRITZLER WILBER R — last updated March 2026.
Active drilling rigs · Baker Hughes snapshot, week of 2026-07-02
By basin
- 11 Utica
Drilling for
- 10 Gas
- 1 Oil
Hardin County well density
Every dot is one well — small blue dots are historic wells;
larger orange dots are wells with activity in the last 60 days.
349 wells plotted ·
0 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Hardin County by total wells
Operators: Chatham Associates, Knox Energy Inc., Partners Oil Co, Enervest Operating Llc, Cabot Oil & Gas Corp, Frantz Enterprises Ltd., Western Interior Energy Inc., James R Smail Inc, G-R-F Energy, Inc, Fitzgerald Energy Produc.
Top Counties in Ohio most active by total wells
Compare Hardin against the other busiest counties in Ohio:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| KRITZLER WILBUR R (KOHLER) # 1 | 2026-03-18 | KRITZLER WILBER R | 34065200690000 | |
| THOMPSON # 1 | 2026-03-18 | CHATHAM ASSOCIATES | 34065200920000 | |
| ZIMMERMAN #1 | 2026-03-18 | CHATHAM ASSOCIATES | 34065200960000 | |
| SCIOTO LAND CORPORATION 1 | 2026-03-18 | SEIBERT CHARLES J | 34065200970000 | |
| E & P COUNTRYMAN # 2 | 2026-03-18 | CHATHAM ASSOCIATES | 34065201000000 | |
| RALPH FRY # 1 | 2026-03-18 | CHATHAM ASSOCIATES | 34065201090000 | |
| HOWARD & MARJORIE THOMPSON 2 | 2026-03-18 | CHATHAM ASSOCIATES | 34065201100000 | |
| VERLA ACHISON # 2 | 2026-03-18 | CHATHAM ASSOCIATES | 34065201110000 | |
| MARGARET ARBOGAST 1 | 2026-03-18 | CHATHAM ASSOCIATES | 34065201120000 | |
| OHIO NORTHERN UNIVERSITY | 2026-03-18 | LUDWIG CLEO R | 34065201130000 |
Surface Ownership Records:
