دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a business that provides directional hole planning, sophisticated directional tools, and on- site assistance to the oil company operator of a drilling rig.

n: an employee of a directional drilling service company whose main job is to help the driller at a well site keep the wellbore as close as possible to its planned course. Also called directional operator.

n: A specialist in directional techniques employed by an operator to ensure the target is reached.