Evaluation of Controlled Bit Tests for 31,000 Feet of 86'' and 96'' Diameter Holes Drilled at the Nevada Test Site from June 1983 to October 1984

摘要

This study was conducted on twenty-seven (27) 86'' and 96'' diameter holes drilled between June 1983 and October 1984. This is an evaluation of milltooth cutter bit performance drilling the Alluvium and Ash Flow formations at the Nevada Test Site. (ERA citation 10:034339)