LZ型螺杆钻具

LZ型螺杆钻具  
LZ型螺杆钻具是以泥浆为动力的一种井下动力钻具。泥浆泵泵出的泥浆液流经旁通阀进入马达,在马达进出口处形成一定压差推动马达的转子旋转,并将扭矩和转速通过万向轴和传动轴传递给钻头。
Model LZ Downhole Motor
Model LZ Downhole Motor is a kind of downhole dynamic drilling tool upon the power of drilling mud. Mud stream from the outlet of mud pump flows through a by-pass valve into the motor. This steam produces pressure loss at both inlet and outlet of the pump, to push the rotor into rotating, and to transmit the torque and speed onto the bit.

作者speedyweb 作者speedyweb 2016年9月1日
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