{"name":"Western Continental Operating Company Drilling Activity in Contra Costa County, California","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/western-continental-operating-company/california/contra-costa","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Western Continental Operating Company","operatorSlug":"western-continental-operating-company","state":"CA","county":"Contra Costa","totalWells":34,"producingWells":19,"permits24mo":0,"spuds24mo":0,"ducCount":15,"topFormation":null,"rankInCounty":4,"firstPermitDate":"1963-11-20","lastPermitDate":"1993-08-27"}