{"name":"Marathon Oil Company Drilling Activity in Gonzales County, Texas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/marathon-oil-company/texas/gonzales","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Marathon Oil Company","operatorSlug":"marathon-oil-company","state":"TX","county":"Gonzales","totalWells":238,"producingWells":197,"permits24mo":18,"spuds24mo":11,"ducCount":9,"topFormation":"Austin Chalk","rankInCounty":2,"firstPermitDate":"1990-11-21","lastPermitDate":"2026-06-25"}