{"name":"Endeavor Energy Resources Drilling Activity in Nowata County, Oklahoma","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/endeavor-energy-resources-lp/oklahoma/nowata","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-06","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Endeavor Energy Resources","operatorSlug":"endeavor-energy-resources-lp","state":"OK","county":"Nowata","totalWells":515,"producingWells":234,"permits24mo":0,"spuds24mo":0,"ducCount":204,"topFormation":"Excello-Mulky","rankInCounty":3,"firstPermitDate":"1983-07-18","lastPermitDate":"2015-11-03"}