{"name":"Pioneer Exploration Drilling Activity in Tehama County, California","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/pioneer-exploration/california/tehama","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Pioneer Exploration","operatorSlug":"pioneer-exploration","state":"CA","county":"Tehama","totalWells":95,"producingWells":85,"permits24mo":2,"spuds24mo":0,"ducCount":9,"topFormation":null,"rankInCounty":1,"firstPermitDate":"1963-04-19","lastPermitDate":"2025-09-02"}