دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the process of gathering data by electronic or other kinds of sensing devices and transmitting those data to remote points. See downhole telemetry.

conversion of a logging tool measurement to a signal suitable for transmission to the surface.

n: see telescoping mast. telescoping joint n: a device used in the marine riser system of a mobile offshore drilling rig to compensate for the vertical motion of the rig caused by wind, waves, or weather. It consists of an inner barrel attached beneath the rig floor and an outer barrel attached to the riser pipe and is an integrated part of the riser system.

n: The derrick that can be setted upright by lifting tackle or hydraulic system.

n: A kind of equipment of riser system of offshore floating platform,usually be used to compensate the vertical movement of platform caused by stormy waves.

n: a portable mast that can be erected as a unit, usually by a tackle that hoists the wireline or by a hydraulic ram. The upper section of a telescoping mast is generally nested (telescoped) inside the lower section of the structure and raised to full height either by the wireline or by a hydraulic system. Erroneously but commonly called a telescoping derrick.

a portable mast composed of sections nestled inside one another and raised with a winch or a hydraulic cylinder.