{"name":"Apache Drilling Activity in Ellis County, Oklahoma","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/apache-corporation/oklahoma/ellis","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Apache","operatorSlug":"apache-corporation","state":"OK","county":"Ellis","totalWells":78,"producingWells":25,"permits24mo":0,"spuds24mo":0,"ducCount":38,"topFormation":"Cleveland","rankInCounty":8,"firstPermitDate":"1988-12-28","lastPermitDate":"2014-07-16"}