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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。泥浆泵泵出书的泥浆液流经旁通阀进入马达,正在马达进出口处置形成必然压好鞭策马达的转子扭转,并将扭矩安然静转速经由过程万向轴安然静传动轴通报给钻头。
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.

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