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Fresno County, CA oil and gas wells
12,486 wells: 2,051 active, 8,925 plugged, run by 538 operators.
Fresno County, CA ranks #3 among California counties by wells on record, with 5% of the state's 242,587 wells. 2,051 of its wells (16%) are active, below the statewide share of 22%. Another 1,227 are shut in or temporarily abandoned. Of the 12,469 wells here with a type on record, 65% are combined oil and gas wells, 21% disposal or injection wells and 10% dry holes. Drilling records here go back to 1887. Of the 11,069 wells with a drilling date, 381 (3%) were drilled in 2016 or later, the most recent in 2023. 145 wells are listed as permitted or being drilled. 538 operators have wells here. The largest by active wells is Aera Energy LLC, with 923 active (45% of the county's active wells).
Figures from the California Geologic Energy Management Division (CalGEM) (used under CC BY 4.0, reformatted, presented as is), updated 2026-11-02.
Top operators in Fresno
Wells
Not plugged · All wells · Plugged · Orphaned
| Well | API / ID | Status | Type | Operator |
|---|---|---|---|---|
| Lease by Chevron U.S.A. Inc. 615 | 04-019-21518 | Shut in | Oil & gas | 🔒 Sign in free |
| Lease by Chevron U.S.A. Inc. 815 | 04-019-21520 | Shut in | Oil & gas | 🔒 Sign in free |
| Lease by Chevron U.S.A. Inc. 55 | 04-019-21552 | Active | Oil & gas | 🔒 Sign in free |
| Lease by Chevron U.S.A. Inc. 2-3 | 04-019-21755 | Active | Oil & gas | 🔒 Sign in free |
| Lease by Chevron U.S.A. Inc. S1-10X | 04-019-22045 | Active | Oil & gas | 🔒 Sign in free |
| Lease by Chevron U.S.A. Inc. 4-2A | 04-019-22055 | Active | Oil & gas | 🔒 Sign in free |
| Lease by Chevron U.S.A. Inc. 54 | 04-019-22162 | Active | Disposal | 🔒 Sign in free |
| Lease by Chevron U.S.A. Inc. 65 | 04-019-22163 | Active | Disposal | 🔒 Sign in free |
| Lease by Chevron U.S.A. Inc. 57 | 04-019-22190 | Active | Oil & gas | 🔒 Sign in free |
| Lease by Chevron U.S.A. Inc. 52 | 04-019-22223 | Active | Disposal | 🔒 Sign in free |
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Fresno County, CA well questions
How many oil and gas wells are in Fresno County, CA?
12,486 wells are on record: 2,051 active, 1,227 shut in or temporarily abandoned and 8,925 plugged.
Who operates the most wells in Fresno County, CA?
Aera Energy LLC, with 923 active wells and 3,271 wells on record here. The table above lists the top operators.
Are new wells still being drilled in Fresno County, CA?
Yes. 381 wells were drilled in 2016 or later, the most recent in 2023, and 145 more are permitted or being drilled.