{"name":"Devon Energy Williston,LLC Drilling Activity in Roosevelt County, Montana","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/devon-energy-willistonllc/montana/roosevelt","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-09-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Devon Energy Williston,LLC","operatorSlug":"devon-energy-willistonllc","state":"MT","county":"Roosevelt","totalWells":30,"producingWells":23,"permits24mo":15,"spuds24mo":14,"ducCount":6,"topFormation":"Bakken","rankInCounty":7,"firstPermitDate":"2010-08-05","lastPermitDate":"2026-03-10"}