دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n pI: the fragments of rock dislodged by the bit and brought to the sulphur in the drilling mud. Washed and dried cuttings samples are analysed by geologists to obtain information about the formations drilled.

n: Small pieces of rock, cement, or steel that break away due to the action of the bit, milling, cutting, or underreaming tools.

chips of rock from the drilling process. They are circulated to the surface by the mud and separated in the screens and shaker. They are useful for identifying and correlating the formation.