{"name":"Columbia Natural Resources Drilling Activity in Martin County, Kentucky","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/columbia-natural-resources/kentucky/martin-ky","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-09-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Columbia Natural Resources","operatorSlug":"columbia-natural-resources","state":"KY","county":"Martin","totalWells":155,"producingWells":134,"permits24mo":0,"spuds24mo":0,"ducCount":2,"topFormation":"Berea-Murrysville","rankInCounty":2,"firstPermitDate":"1986-07-30","lastPermitDate":"2006-04-13"}