Monroe County, Ohio Wells Summary
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Total wells
Drill activity
Monroe County contains 10,822 wells on file, with top operators including GRAYMARR LLC and G-R CONTRACTING INC.
Most recent well on record: HUNTER 1, operated by D & D OIL LLC — last updated March 2026.
County FIPS Code: 39111
Active drilling rigs · Baker Hughes snapshot, week of 2026-05-29
By basin
- 11 Utica
Drilling for
- 10 Gas
- 1 Oil
Monroe 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.
10,822 wells plotted ·
6 active in last 60 days
Basemap © OpenStreetMap contributors · well data © Oil and Gas Information · tiles served by DynamoMap
Top Operators in Monroe County by total wells
Operators: Graymarr Llc, G-R Contracting Inc, Stevens Oil & Gas Llc, Expand Operating Llc, Gulfport Appalachia Llc, Howells Oil & Gas, Northwood Energy Corp, Inr Ohio Llc, Ozark Oil Llc, Diversified Production Llc.
Top Counties in Ohio most active by total wells
Compare Monroe against the other busiest counties in Ohio:
Recent wells
| Well Name | Last activity | Updates | Operator | API |
|---|---|---|---|---|
| HUNTER 1 | 2026-03-18 | D & D OIL LLC | 34111653950000 | |
| BLAIR HEIRS 2 | 2026-03-18 | WILLIAMSON OIL AND GAS LLC | 34111655800000 | |
| DALE MORRIS # 5 | 2026-03-18 | MOHAWK SPARTA OIL CO | 34111651950000 | |
| CREE J P & G D 7 | 2026-03-18 | GRAYMARR LLC | 34111653770000 | |
| J.F. & b. GRAY (SUSAN SMITH) # 2 | 2026-03-18 | MILLER ISELI CO | 34111655560000 | |
| BLAIR HEIRS 1 | 2026-03-18 | WILLIAMSON OIL AND GAS LLC | 34111655790000 | |
| MILAN & PODRAVAC 1 | 2026-03-18 | HIGHMAN OIL & GAS LLC | 34111651450000 | |
| BARTONSHLE ALONZO 7 | 2026-03-18 | KEHL OIL & GAS ENTERPRISES LLC | 34111651910000 | |
| I.N. DAUGHERTY 5 | 2026-03-18 | WATTERS JOY A | 34111652650000 | |
| CREE JP AND GD 9 | 2026-03-18 | GRAYMARR LLC | 34111653740000 |
Surface Ownership Records: