{"name":"Exxon Mobil Drilling Activity in Sublette County, Wyoming","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/exxon-mobil-corporation/wyoming/sublette","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Exxon Mobil","operatorSlug":"exxon-mobil-corporation","state":"WY","county":"Sublette","totalWells":144,"producingWells":40,"permits24mo":0,"spuds24mo":0,"ducCount":49,"topFormation":"Hilliardbaxtermancos-Niobrara","rankInCounty":8,"firstPermitDate":"1950-10-03","lastPermitDate":"2011-08-30"}