{"name":"Chesapeake Energy Drilling Activity in Marshall County, Oklahoma","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/chesapeake-operating-inc/oklahoma/marshall-ok","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-02","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Chesapeake Energy","operatorSlug":"chesapeake-operating-inc","state":"OK","county":"Marshall","totalWells":15,"producingWells":1,"permits24mo":0,"spuds24mo":0,"ducCount":10,"topFormation":"Woodford","rankInCounty":4,"firstPermitDate":"1991-01-01","lastPermitDate":"2012-01-27"}