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Downhole Screw Motors
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Products description:


Product Name: Downhole Screw Motors

General Description: The downhole screw motor is a kind of power tool that transforms the pressure of liquid to mechanical energy in the downhole. When the power liquid flows into the screw motor, pressure difference will be produced between the inlet and outlet of the motor, then the pressure difference drives the rotor rotating of planetary motion round the stator, and provides running torque and speed to the drill bit while the drill pipe is not rotating during work process, thus the drilling process is being performed.

Features: 1. Attrition of drilling pipe is declined obviously for downhole screw motors running torque is only to drive bit while the drilling is not rotating; 
2. Not only provide special drill assembly with high deflection rate, but also guide drill assembly with everlasting control;
3. Out torque and pressure difference is nearly liner relationship within a certain range when the power liquid flows into the screw motor; 
4. Provide great delivery volume and improve speed of uphole velocity and carrying capability for rotor is hollow;
5. Suitable for all kinds of bits.


Model

Flow rate l/s

Pressure difference MPa

Rated Torque N•m

Max Torque N•m

Recommended Weight kn

Power kW

Diameter mm

Length m

5LZ60×7.0

1.26~3.13

2.5

160

280

5

2.35~6.03

60

3.3

5LZ73×7.0

1.26~5.05

3.5

275

480

12

3.5~13.82

73

3.45

5LZ89×7.0

2~7

4.1

560

980

18

5.6~19.35

89

4.67

5LZ95×7.0

4.73~11.

3.2

850

1240

21

10.4~23.8

95

3.2

C5LZ95×7.0

5~13.33

6.5

1490

2384

55

21.8~59.3

95

6.88

5LZ100×7.0

4.73~11

3.2

850

1240

21

10.4~23.8

100

4.7

5LZ120×7.0

5.78~15.8

2.5

1300

2275

55

9.5~27.23

120

4.88

D5LZ120×7.0

5.78~15.8

1.6

900

1440

55

6.6~18.85

120

3.29

5LZ165×7.0

16~28

3.2

3200

5600

80

33.5~59.7

165

6.25

D5LZ165×7.0

18~28

2.5

2300

3680

80

30.4~47.2

165

4.7

5LZ172×7.0

18.9~37.8

3.2

3660

5856

100

38.3~76.6

172

6.71

C5LZ172×7.0

18.9~37.8

6

6870

10992

170

71.9~144

172

9.18

5LZ197×7.0

2236

3.2

5000

8700

120

49.7~78.5

197

6.9

5LZ244×7.0

50.5~75.7

2.5

9300

16275

213

87.7~136

244

7.8





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