Progressing Cavity Pumps, Downhole Pumps and Mud motors By Lev Nelik, PhD,PE APICS and Jim R. Brennan Free Download
Friday, 7 November 2014
This publication describes the fundamentals of progressing cavity (PC) pumps. Although formally classified by the Hydraulic Institute as a single-screw type, a subset (group) of the rotary class pumps, they are better known as PC pumps and are used in a wide variety of applications. They are especially suited for tough, nasty, multiphase fluids with gas and solids in suspension, at relatively moderate temperatures.
 pumps. Although formally classified by the Hydraulic Institute as...){kind=link}
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