{"name":"Presidio Petroleum Drilling Activity in Ellis County, Oklahoma","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/presidio-petroleum-llc/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":"Presidio Petroleum","operatorSlug":"presidio-petroleum-llc","state":"OK","county":"Ellis","totalWells":130,"producingWells":129,"permits24mo":0,"spuds24mo":0,"ducCount":1,"topFormation":"Cleveland","rankInCounty":6,"firstPermitDate":"1990-12-19","lastPermitDate":"2017-05-01"}