Variable-Stroke Drilling Mudpump:: A Concept To Meet Future Requirements

Abstract

A new generation drilling mud pump has been designed and full scale prototype tested. The test program has confirmed the feasibility of the new concept and the special features.The pump, which is a piston pump, controls the pumped flow by changing piston stroke rather than speed and therefore eliminates the need for SCR systems.A membrane prevents the drilling fluid from coming into contact with piston. and cylinder, thus eliminating the liner wear problem.The pulsation in mud discharge is reduced and at constant frequency independent of flow creates an ideal condition for turbo drills and MWD.