دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n pi: 1. the well cuttings obtained at designated footage intervals during drilling. From an examination of these cuttings, the geologist determines the type of rock and formations being drilled and estimates oil and gas content. 2. small quantities of well fluids obtained for analysis.

n: cuttings obtained for geological information from the drilling fluid as it emerges from the hole. They are washed, dried and labelled as to the depth. Also, a portion of well fluid recovered on a DST.