Mahoning County, OH oil and gas wells
4,173 wells: 2,337 active, 1,079 plugged, 26 orphaned, run by 222 operators.
Mahoning County, OH ranks #26 among Ohio counties by wells on record, with 2% of the state's 238,601 wells. 2,337 of its wells (56%) are active, above the statewide share of 27%. 26 wells are flagged as orphaned, with no responsible operator. Of the 3,687 wells here with a type on record, 42% are gas wells, 32% combined oil and gas wells and 17% oil wells. 2 wells are listed as permitted or being drilled. 222 operators have wells here. The largest by active wells is ENERVEST OPERATING LLC, with 523 active (22% of the county's active wells).
Figures from the Ohio Department of Natural Resources, Division of Oil and Gas, updated 2026-11-10.
Top operators in Mahoning
Wells
Not plugged · All wells · Plugged · Orphaned · Disposal (SWD) and injection
| Well | API / ID | Status | Type | Operator |
|---|---|---|---|---|
| OHIO WATER SERVICE UNIT # 1 | 34-099-22187 | Active | Gas | 🔒 Sign in free |
| OHIO WORKS DRIVE UNIT 1 | 34-099-22935 | Active | Oil & gas | 🔒 Sign in free |
| OHLIM LIMITED PART (MAH NAT BANK) # L-8 | 34-099-22710 | Active | Gas | 🔒 Sign in free |
| OHLIN 1 | 34-099-22082 | Active | Gas | 🔒 Sign in free |
| OLESEN UNIT # 1D | 34-099-22573 | Active | Gas | 🔒 Sign in free |
| OLIVER UNIT # 1 | 34-099-22680 | Active | Oil & gas | 🔒 Sign in free |
| ORR # 1 | 34-099-22565 | Active | Gas | 🔒 Sign in free |
| ORR # 2 | 34-099-22569 | Active | Gas | 🔒 Sign in free |
| ORR DENNIS # 1 | 34-099-22178 | Active | Gas | 🔒 Sign in free |
| ORR UNIT # 1 | 34-099-21640 | Active | Gas | 🔒 Sign in free |
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Mahoning County, OH well questions
How many oil and gas wells are in Mahoning County, OH?
4,173 wells are on record: 2,337 active, 0 shut in or temporarily abandoned and 1,079 plugged, with 26 flagged orphaned.
Who operates the most wells in Mahoning County, OH?
ENERVEST OPERATING LLC, with 523 active wells and 531 wells on record here. The table above lists the top operators.