{"name":"Hilcorp Energy Company Drilling Activity in Duval County, Texas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/hilcorp-energy-company/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":"Hilcorp Energy Company","operatorSlug":"hilcorp-energy-company","state":"TX","county":"Duval","totalWells":638,"producingWells":604,"permits24mo":0,"spuds24mo":0,"ducCount":19,"topFormation":"Eagle Ford","rankInCounty":1,"firstPermitDate":"1938-12-15","lastPermitDate":"2023-06-15"}