{"name":"Exxon Mobil Drilling Activity in Jefferson County, Texas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/exxon-mobil-corporation/texas/jefferson","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":"TX","county":"Jefferson","totalWells":160,"producingWells":4,"permits24mo":13,"spuds24mo":3,"ducCount":48,"topFormation":null,"rankInCounty":2,"firstPermitDate":"1936-05-08","lastPermitDate":"2026-06-10"}