دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: see temporary guide base.

n: a tool that measure and check the joint screw.

an outer steel shell that connects a drill ship, jackup or floater to the well template on the ocean floor. The drill string is run through the riser and the returning mud and cutting flow u the drill pipe / riser annulus.

n: a device placed on the seafloor to facilitate the production of wells. When a template is used, the wells are drilled through the template and are completed and produced on it. Since the erection of a platform to produce the wells is not necessary, marginal offshore fields can sometimes be produced because the expense of erecting the platform is avoided.

n: see temporary guide base.

n: the initial piece of equipment lowered to the ocean floor once a floating offshore drilling rig has been positioned on location. It serves as an anchor for the guidelines and as a foundation for the permanent guide base and has an opening in the center through which the bit passes. It is also called a drilling template.

a pattern template for identifying a specific thread type.