دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: an employee of a drilling fluid supply company whose duty it is to test and maintain the drilling mud proper- ties that are specified by the operator.

n: usually an employee of a mud device compony whose main responsibility on the rig is to test and maintain the mud properties specified by the operator.

person in charge of building the mud (mixing) and compositional checks.