{"name":"Castle Gas Drilling Activity in Indiana County, Pennsylvania","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/castle-exploration/pennsylvania/indiana-pa","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-09-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Castle Gas","operatorSlug":"castle-exploration","state":"PA","county":"Indiana","totalWells":318,"producingWells":16,"permits24mo":0,"spuds24mo":0,"ducCount":15,"topFormation":"Marcellus","rankInCounty":6,"firstPermitDate":"1901-01-01","lastPermitDate":"2005-05-04"}