دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a large funnel- or cone-shaped device into which dry components (such as powdered clay or cement) can be poured to mix uniformly with water or other liquids. The liquid is injected through a nozzle at the bottom of die hopper. The resulting mixture may be drilling mud to be used as the circulating fluid in a rotary drilling operation, or it may be cement slurry to be used in bonding casing to the borehole.

n: a large funnel-shaped device into which dry material (e.g.cement or powdered clay)can be poured.the purpose of the hopper is to mixthe dry material with the liquids injected at the bottom of the hopper.

mixing chamber where dry components can be evenly mixed with liquids. The dry materials are introduced at the bottom of the hopper through a nozzle.