{"name":"Black Diamond Energy Drilling Activity in Johnson County, Wyoming","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/black-diamond-operating-llc/wyoming/johnson","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-02","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Black Diamond Energy","operatorSlug":"black-diamond-operating-llc","state":"WY","county":"Johnson","totalWells":541,"producingWells":124,"permits24mo":0,"spuds24mo":0,"ducCount":192,"topFormation":"Niobrara- Mowry","rankInCounty":8,"firstPermitDate":"2001-04-20","lastPermitDate":"2016-06-10"}