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 The downhole motor, which uses drilling fluid as the power medium and is transported to the bottom of the well through the center hole of the drill string, creates a pressure difference between the inlet and outlet of the downhole motor, which converts the hydraulic pressure energy into mechanical energy, and then transmits torque and speed to the drill bit. When drilling, the downhole motor is directly connected to the drill bit, and the entire drill string is only used as a channel for conveying high-pressure working medium and a rod supporting the counter torque of the drill bit, without rotating motion. Compared with conventional drilling, the use of downhole motor drilling has many advantages, such as reducing the wear of the drill pipe, increasing the bit-on-bit drilling rate, and increasing the drilling efficiency. It is an important tool for directional wells and horizontal wells, and it has played a huge role in the field of drilling.
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Tianhe Oil Group Huifeng Petroleum Equipment CO. ltd.