{"name":"Cog Operating Drilling Activity in Upton County, Texas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/cog-operating-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":"Cog Operating","operatorSlug":"cog-operating-llc","state":"TX","county":"Upton","totalWells":1750,"producingWells":1473,"permits24mo":147,"spuds24mo":52,"ducCount":50,"topFormation":"Thirty-One Carbonate-Chert","rankInCounty":2,"firstPermitDate":"1901-01-01","lastPermitDate":"2026-04-30"}