دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a specially compounded liquidcirculated through the wellbore during rotary drilling operations. See drilling fluid, mud.

n: A circulating fluid used in rotary drilling to perform any or all of various functions required in the drilling operation.

the fluid, water, oil or gas based, that is used to establish well control, transport cuttings to the surface, provides fluid loss control, lubricates the string and cools the bottom hole assembly.