{"name":"Cities Service Oil Company Drilling Activity in Calhoun County, Texas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/cities-service-oil-company/texas/calhoun","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Cities Service Oil Company","operatorSlug":"cities-service-oil-company","state":"TX","county":"Calhoun","totalWells":15,"producingWells":0,"permits24mo":0,"spuds24mo":0,"ducCount":2,"topFormation":null,"rankInCounty":8,"firstPermitDate":"1958-02-28","lastPermitDate":"1967-08-18"}