{"name":"Crawley Petroleum Drilling Activity in Ellis County, Oklahoma","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/crawley-petroleum-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":"Crawley Petroleum","operatorSlug":"crawley-petroleum-corporation","state":"OK","county":"Ellis","totalWells":82,"producingWells":58,"permits24mo":1,"spuds24mo":1,"ducCount":20,"topFormation":"Cleveland","rankInCounty":7,"firstPermitDate":"1988-08-02","lastPermitDate":"2024-08-19"}