{"name":"Exxon Mobil Drilling Activity in Duval County, Texas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/exxon-mobil-corporation/texas/duval","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":"Duval","totalWells":219,"producingWells":9,"permits24mo":0,"spuds24mo":0,"ducCount":102,"topFormation":"Wilcox Lobo","rankInCounty":3,"firstPermitDate":"1929-08-05","lastPermitDate":"2007-04-02"}