دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a cutoff pup joint below a packer that is used as a fluid entry device and a seal assemblies guide.

n: a pinned-end pup joint used to provide additional length and inside diameter necessary to accommodate a standard milling tool.

n: the topmost portion of a string of sucker rods. It is used for lifting fluid by the rod-pumping method. It has a uniform diameter and is smoothly polished to seal pressure effectively in the stuffing box attached to the top of the well.

a surface rod pup joint that slides through the stuffing box on a beam pumped well. The part is highly polished and generally chrome plated. It must not be exposed to HCl acid.

n: a length of drill or line pipe, tubing, or casing shorter than range 1 (18 feet or 6.26 metres for drill pipe) in length.

n: a short section of pipe used tospace out casing or tubing to reach the correct landing depths.

a short section of casing or tubing used as a depth identifier to a collar locator log or used at the top of the well when spacing out a string prior to hanging the string.

n: the act of ensuring that a pipe ram preventer will not close on a drill pipe tool joint when the drill stem is stationary. A pup joint is made up in the drill string to Iengthen it sufficiently. v: to position the correct number of feet (or metres) or joints of pipe from the packer to the surface tree, or from the rig floor to the blowout preventer stack.