دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

v: to reverse the flow of fluid from a water injection well to get rid of sediment that has clogged the wellbore.

v: The verb form of backwashing.

n: The process that drilling fluid is pumped from annular and reverses out from drill pipe. This method is fast than direct flushing.

a semipermeable membrane that will allow water to pass but not salt. Salt water is pressured into the face of the membrane, the water passes through but the salt cannot pass. The filter has be be backwashed regularly to remove the accumulated salt. The pr

n: A kind of degasser of drilling fluid be made of electrical immersible centrifugal pump and high position backwash degasser can,etc.

n: dredged spoil, solid waste, incinerator residue, filter backwash, sewage, garbage, sewage sludge, munitions, chemical wastes, biological materials, radioactive materials, heat, wrecked or discarded equipment, rock, sand, cellar dirt, and industrial, municipal, and agricultural waste discharged into water.