WellheadMap

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McCulloch Union Sonol Unit 1

Plugged Dry hole well

API number04-077-00315
OperatorUMC Petroleum Corp.
CountySan Joaquin, California
FieldUnion Island Gas
Spudded1960-05-24
Surface location37.873486, -121.423706 · wells within 1 mile
Directions to the wellhead: Google Maps Apple Maps Waze
State recordCalifornia Geologic Energy Management Division (CalGEM) ↗
Data as of2026-10-19

From California Geologic Energy Management Division (CalGEM) public records. Verify with the state before relying on this information.