{"name":"Cox Oil & Gas Drilling Activity in Duval County, Texas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/cox-oil-gas/texas/duval","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-09-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Cox Oil & Gas","operatorSlug":"cox-oil-gas","state":"TX","county":"Duval","totalWells":196,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":21,"topFormation":"Wilcox Lobo","rankInCounty":6,"firstPermitDate":"1901-01-01","lastPermitDate":"1991-10-14"}