{"name":"Encore Operating Drilling Activity in Fallon County, Montana","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/encore-operating/montana/fallon","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":"Fallon","totalWells":81,"producingWells":21,"permits24mo":0,"spuds24mo":0,"ducCount":30,"topFormation":"Judith River- Eagle","rankInCounty":5,"firstPermitDate":"1954-12-16","lastPermitDate":"2010-01-22"}