{"name":"Clausen A G Drilling Activity in Callahan County, Texas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/clausen-a-g/texas/callahan","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Clausen A G","operatorSlug":"clausen-a-g","state":"TX","county":"Callahan","totalWells":62,"producingWells":57,"permits24mo":2,"spuds24mo":0,"ducCount":0,"topFormation":"Barnett","rankInCounty":3,"firstPermitDate":"1982-06-28","lastPermitDate":"2025-12-05"}