{"name":"Encore Operating Drilling Activity in Prairie County, Montana","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/encore-operating/montana/prairie","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Encore Operating","operatorSlug":"encore-operating","state":"MT","county":"Prairie","totalWells":6,"producingWells":1,"permits24mo":0,"spuds24mo":0,"ducCount":3,"topFormation":"Judith River- Eagle","rankInCounty":3,"firstPermitDate":"1961-02-01","lastPermitDate":"2005-01-30"}