دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: The cloth that have big screen aperture and rough screen bar,which used to support top fine screen.

n: The rubber cradle that setting under the cantilever of screen frame of mud desander,which used to develop the shaking efficiency.

abbr: survey;used in drilling reports.

surfactants that exhibit an effect on water or oil by changing fluid properties at the interface of the fluid. May be emulsifiers, demulsifiers, surface tension lowering , flocculants, deflocculants, wetting agents, etc.

n: Its consists of delivering torque,sealing and circulating and producing heat movement ,which is used on the drill floor.

n: see surface pipe.

n: A large-diameter, relatively low-pressure pipe string set in shallow yet competent formations for several reasons. First, the surface casing protects fresh-water aquifers onshore. Second, the surface casing provides minimal pressure integrity, and thus en

the casing string that protects the fresh water supply. It is always cemented across the water zone and usually extends to surface.

n: see weather map.

a safety valve controlled from the surface through hydraulic or electrical power.