{"name":"Armstrong Petroleum Drilling Activity in Madera County, California","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/armstrong-petroleum/california/madera","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Armstrong Petroleum","operatorSlug":"armstrong-petroleum","state":"CA","county":"Madera","totalWells":8,"producingWells":6,"permits24mo":1,"spuds24mo":0,"ducCount":2,"topFormation":null,"rankInCounty":8,"firstPermitDate":"1989-05-29","lastPermitDate":"2025-06-16"}