{"name":"Firebird Energy Ii LLC Drilling Activity in Upton County, Texas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/firebird-energy-ii-llc/texas/upton","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-07-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Firebird Energy Ii LLC","operatorSlug":"firebird-energy-ii-llc","state":"TX","county":"Upton","totalWells":560,"producingWells":485,"permits24mo":99,"spuds24mo":61,"ducCount":39,"topFormation":"Thirty-One Carbonate-Chert","rankInCounty":7,"firstPermitDate":"2003-11-25","lastPermitDate":"2026-06-11"}