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  1. Unionlever (Group) Petroleum Equipment Co.,Ltd.

    Mud Motor




    Mud motor is a kind of down-hole drill tool driven by mud. As mud fluid from the mud pump enters the motor via the by-pass valve, a certain pressure difference is formed at the inlet and outlet of the motor, pushing the rotor to rotate. Torque and rotate speed are transferred via the universal shaft and the transmission shaft to the bit the performance of the down-hole drill motor is mainly depending on the performance parameters of the screw motor. 

    Model No.
    5LZ95× 7.0
    5LZ95× 7.0
    5LZ120× 7.0
    5LZ165× 7.0
    5LZ165× 7.0
    5LZ172× 7.0
    5LZ185× 7.0
    5LZ197× 7.0
    5LZ203× 7.0
    5LZ216× 7.0
    5LZ244× 7.0
    Hole size
    mm
    118~152
    118~152
    149~200
    213~251
    213~251
    213~251
    241~270
    251~311
    251~311
    251~375
    311~445
    in
    4 5 / 8 ~6
    4 5 / 8 ~6
    5 7 / 8 ~7 7 / 8
    8 3 / 8 ~9 7 / 8
    8 3 / 8 ~9 7 / 8
    8 3 / 8 ~9 7 / 8
    9 1 / 2 ~10 5 / 8
    9 7 / 8 ~12 1 / 4
    9 7 / 8 ~12 1 / 4
    9 7 / 8 ~14 3 / 4
    12 1 / 4 ~17 1 / 4
    Thread Type
    Upper 
    End
    2 7 / 8 ” REG
    2 7 / 8 ” REG
    3 1 / 2 ” REG
    4 1 / 2 ” REG
    4 1 / 2 ” REG
    4 1 / 2 ” REG
    4 1 / 2 ” IF
    6 5 / 8 ” REG
    6 5 / 8 ” REG
    6 5 / 8 ” REG
    6 5 / 8 ” REG
    Lower 
    End
    2 7 / 8 ” REG
    2 7 / 8 ” REG
    3 1 / 2 ” REG
    4 1 / 2 ” REG
    4 1 / 2 ” REG
    4 1 / 2 ” REG
    6 5 / 8 ” REG
    6 5 / 8 ” REG
    6 5 / 8 ” REG
    6 5 / 8 ” REG
    7 5 / 8 ” REG
    Nozzle Pressure Drop
    Mpa
    1.4~7
    1.4~7
    1.4~7
    1.4~7
    1.4~7
    1.4~7
    1.4~7
    1.4~7
    1.4~7
    1.4~7
    1.4~7
    Recommended Flow
    L/s
    5~11
    5~11
    8~15
    20~28
    20~28
    22~32
    18.5~37
    25~45
    25~45
    30~50
    38~62
    Rotary Speed of the Bit
    r/min
    100~220
    105~235
    95~180
    110~160
    105~150
    115~170
    75~150
    80~150
    80~150
    85~150
    100~160
    Motor Pressure Drop
    Mpa
    3.2
    2.0
    4.0
    2.4
    3.2
    4.0
    4.0
    4.0
    4.0
    4.0
    4.0
    Working Torque
    N. m
    970
    580
    2000
    2615
    3780
    4620
    6230
    7600
    7600
    8860
    11000
    Dynamic hysteresis torque
    N. m
    1750
    1040
    3760
    4700
    6800
    8300
    10500
    13655
    13655
    15900
    19500
    Output Power
    Kw
    10.4~22.8
    6.5~14.3
    20.5~39
    31.2~43.6
    41.6~58.2
    57.2~83.2
    48.5~97
    65~117
    65~117
    78~130
    99~162
    Recommended Drill Pressure
    t
    2.5
    1.5
    4
    8
    8
    10
    12
    16
    16
    17
    18
    Maximum Drill Pressure
    t
    5
    4
    8
    16
    16
    16
    18
    24
    24
    28
    30
    Drill Tool Length(mm)
    Straight body
    4450
    3640
    6340
    5930
    7080
    7490
    8440
    8470
    8470
    8470
    8470
    Single-bend
    4675
    3865
    6490
    6180
    7080
    7490
    8440
    8720
    8720
    8720
    8720
    Weight(Kg)
    Straight body
    150
    125
    410
    742
    835
    945
    1150
    1330
    1450
    1660
    1980
    Single-bend
    160
    135
    430
    755
    850
    970
    1210
    1385
    1510
    1700
    2050
     
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