{"name":"Pioneer Natural Resources Drilling Activity in Glasscock County, Texas","publisher":"Buckhead Energy","url":"https://www.buckheadenergy.com/operators/pioneer-natural-resources/texas/glasscock","license":"https://creativecommons.org/licenses/by/4.0/","dataAsOf":"2026-08-04","source":"Public state oil & gas well-header records (permits, spuds, completions).","operator":"Pioneer Natural Resources","operatorSlug":"pioneer-natural-resources","state":"TX","county":"Glasscock","totalWells":1737,"producingWells":1470,"permits24mo":121,"spuds24mo":72,"ducCount":81,"topFormation":"Thirty-One Carbonate-Chert","rankInCounty":1,"firstPermitDate":"1951-07-11","lastPermitDate":"2026-07-09"}