دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

seldom used name for a SSSV profile.

n: a nipple or restriction placed in a line (a pipe) to reduce the rate of flow of fluid through the line. Beans are frequently placed in Christmas trees to regulate the flow of fluids corning out of the well. Also called a flow bean. See Christmas tree.

a flow restriction common in downhole chokes, surface chokes and some SSSVs.

control line to well communication.

n: a small hydraulic line used to run fluid from the surface to a downhole tool, such as a subsurface safety valve.

a small diameter line, usually attached to the outside of tubing, which controls the ScSSV or other downhole tools.

abbr: emergency shut down, an automated platform system to shut in an SCSSV and/or SSV.

emergency shut-down.

n: a plug with a small hole drilled through it, placed in the flow line at a wellhead to restrict flow if it is too high. Compare chou.

a flow restriction common in downhole chokes, surface chokes and some SSSVs.

fail to close on demand.

fail to open on command.

injection subsurface safety valve.

pemature valve closure.