It is a positive-displacement downhole motor with performance characteristics as low rotary speed, big displacement, high torque, high penetration rate, good completion quality and long service life. It can be used for drilling operations of vertical, directional, horizontal, and cluster wells.
Sizes and Varieties
The downhole motor covering a range of diameters from 45~286mm falls into many varieties such as the single-bent, double-bent, steerable, deephole high temperature, and hollow distributary type, etc,.
Constitution
Downhole motor is composed of four assemblies of by-pass valve, motor, cardan shaft and drive shaft.