Mud Motor Specifications & Selection In Directional Work

Motor selection is a function of the well requirements. In this article, we shall introduce to you the drilling mud motor selection for its specification. In the same time, the drilling engineers will not be able to make a proper selection without full understanding of the drilling mud motor specification and limitations. And we of course shall cover them all. Article Main Headings 1 Drilling Mud Motor Specifications 2 Drilling Mud Motor Selection 2.1 Selection Of Drilling Mud Motor Power Section 2.1.1 Rotor/stator lobe ratio 2.1.2 Rotor/stator interference fit 2.1.3 Spiral stage length 2.1.4 Number of stages 2.1.5 Pressure drop per stage 2.2 Near Bit Stabilizer (RNBS) 2.3 Bearing section 2.3.1 Oil-sealed bearings 2.4 Mud-lubricated bearings 2.5 Other Factors Affecting Selection Of Drilling Mud Motors Specification: 2.5.1 Range of flow rates allowable: 2.5.2 No-load Pressure Loss: 2.5.3 Drilling Mud Motor Differential Pressure (Pmotor): 2.5.4 Pressure Drop Across The Drilling Bit (Pbit):