دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the pattern of minute projections from a metal surface produced by sandblasting, shot blasting, or chemical etching to enhance the adhesiveness of surface coatings.

n: A kind of explosive package used for breakouting pack of dynamic. It is sent by cable to first thread above the sticking point. Pull the drill stem and rotate left the

n: an expandable, cylindrically shaped gripping mechanism that is fitted into an overshot to retrieve fish from the borehole. See grapple.

n: Usually refers to the operation that ogging device measures deviation angle and azimuth. There are two types: single-shot survey and multimetering.

a device in a perforating gun that signals through a delayed shot or sound that the detonating cord has fired to the bottom of a gun.

to mill a piece of equipment (and often to catch it with an overshot).

n: fishing equipment used to recover wireline tools stuck in the hole when the wireline or cable is intact. It consists of a cable hanger, spear point rope socket, spearhead overshot, conventional overshots, drill pipe, and elevators.

n: A tool for fishing casing.