دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

sudden backflow of a well, usually to clean the perforations.

n: See drilling fluid cushion box.

v: to hold one section of an object such as pipe while another section is being screwed into or out of it.

v: To hold one section of pipe while another is being screwed into or out of it (as in back up tongs).

n: The chain tongs that seizure the strings when make up and breakout.

n: The small sized handcart used to transport devices and pipes.

usually reverse circulation

an operation or transaction that results in movement of gas in a direction opposite of the normal flow direction in a pipeline.

n: an option right reserved by the granting company of a farmout to convert an overriding royalty to a working interest once the conditions for such back-in have been met. Compare election at casing point.