{"name":"Diamond Energy Services Drilling Activity in Mercer County, Pennsylvania","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/diamond-energy-services-lp/pennsylvania/mercer-pa","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-02","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Diamond Energy Services","operatorSlug":"diamond-energy-services-lp","state":"PA","county":"Mercer","totalWells":569,"producingWells":568,"permits24mo":0,"spuds24mo":0,"ducCount":1,"topFormation":"Utica","rankInCounty":2,"firstPermitDate":"1981-12-09","lastPermitDate":"2011-10-05"}