{"name":"Lillis Michael D Drilling Activity in Mcculloch County, Texas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/lillis-michael-d/texas/mcculloch","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-02","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Lillis Michael D","operatorSlug":"lillis-michael-d","state":"TX","county":"Mcculloch","totalWells":57,"producingWells":23,"permits24mo":0,"spuds24mo":0,"ducCount":17,"topFormation":"Barnett","rankInCounty":2,"firstPermitDate":"1968-01-24","lastPermitDate":"1999-08-11"}