{"name":"D & L Energy Drilling Activity in Mercer County, Pennsylvania","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/d-l-energy/pennsylvania/mercer-pa","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"D & L Energy","operatorSlug":"d-l-energy","state":"PA","county":"Mercer","totalWells":113,"producingWells":10,"permits24mo":0,"spuds24mo":0,"ducCount":6,"topFormation":"Utica","rankInCounty":6,"firstPermitDate":"1978-12-27","lastPermitDate":"2009-03-10"}