Downhole Motor

Downhole motor

The progressive cavity drill (PCD) is a downhole motorized drilling tool powered by drilling fluid (or compressed gas) and functions as a positive displacement motor. It is widely used in construction operations across industries such as oilfields, geology, coal mines, and brine wells.

The power medium enters the motor of the progressive cavity drill through the drill string, creating a certain pressure difference between the two ends of the motor. This pressure difference drives the rotor of the motor to rotate, and transmits torque and rotational speed to the drill bit via the universal shaft and drive shaft.

Progressive cavity drills can be used in conjunction with roller cone bits, diamond bits, and other special bits for drilling operations in vertical wells, directional wells, and horizontal wellbores.


Model

OD

mm

Bit Size (mm)

Connection Thread

Number of Lobes

Number of Stages

Recommended Flow Rate (L/s)

Bit Rotational Speed (rpm)

Motor Pressure Difference (MPa)

Output Torque (N·m)

Maximum Pressure Difference (MPa)

Maximum Torque (N·m)

Working Weight on Bit (kN)

Maximum Weight on Bit (kN)

Output Power (kW)

Total Length (mm)

 

 

 

Upper End

Lower End

 

 

 

 

 

 

 

 

 

 

 

 

5LZ38x7.0-4-360

39

43~60

1AMMT

1AMMT

5:6

4

0.5~1.0

152~304

3.2

81

4.8

122

2

3

2.6

2186

5LZ45x7.0-4-420

46

48~76

1AMMT

1AMMT

5:6

4

1.0~1.5

173~347

3.2

143

4.8

214

3

5

3.9

2579

5LZ54x7.0-4-420

54

60~89

11/2REG

11/2REG

5:6

4

1.5~3.0

170~340

3.2

218

4.8

328

4

7

7.8

2604

5LZ57x7.0-3-600

57

65~89

11/2REG

11/2REG

5:6

3

2.5~5.0

180~360

2.4

256

3.2

342

4

7

9.7

2783

5LZ60x7.0-4-420

60

73~95

11/2REG

11/2REG

5:6

4

2.0~4.0

179~359

3.2

276

4.8

414

5

8

10.4

2627

5LZ65x7.0-4-480

65

79~102

11/2REG

11/2REG

5:6

4

3.0~6.0

190~380

3.2

388

4.8

582

8

16

10.4

3130

5LZ73x7.0-3-600

75

89~121

23/8REG

23/8REG

5:6

3

3.0~6.0

126~253

2.4

440

3.6

660

12

20

11.7

3330

7LZ73x7.0-4-480

76

89~121

23/8REG

23/8REG

7:8

4

4.0~7.0

185~324

3.2

534

4.8

801

12

20

18.1

3430

7LZ73x7.0-5-600

76

89~121

23/8REG

23/8REG

7:8

5

4.0~7.0

152~266

4.0

813

6.0

1220

12

20

25

4530

7LZ79x7.0-4-640

79

95~121

23/8REG

23/8REG

7:8

4

6.0~9.0

170~256

4.0

1087

6.0

1630

12

20

32

4091

7LZ79x7.0-2-480

80

95~121

NC26

23/8REG

7:8

2

5.0~7.0

190~265

2.5

509

3.75

764

12

20

16

2275

7LZ89x7.0-3-600

89

107~121

27/8REG

27/8REG

7:8

3

6.0~9.0

157~235

2.4

709

3.6

1064

22

35

23.3

3755

7LZ89x7.0-4-640

89

107~121

27/8REG

27/8REG

7:8

4

6.0~9.0

124~187

3.2

1190

4.8

1785

22

35

23.3

4515

7LZ89x7.0-5-640

89

107~121

27/8REG

27/8REG

7:8

5

6.0~9.0

124~187

4.0

1487

6.0

2231

22

35

29.2

5155

7LZ95x7.0-3-600

95

118~149

27/8REG

27/8REG

7:8

3

6.0~12

114~228

2.4

975

3.6

1463

30

55

25

3683

7LZ95x7.0-5-560

95

118~149

27/8REG

27/8REG

7:8

5

6.0~12

114~228

4.0

1625

6.0

2438

30

55

35

4683

7LZ102x7.0-4-520

102

118~152

27/8REG

27/8REG

7:8

4

6.0~12

128~256

3.2

1159

4.8

1738

30

55

31

4310

7LZ102x7.0-4-720

102

118~152

27/8REG

27/8REG

7:8

4

7.0~15

108~231

3.2

1604

4.8

2406

30

55

38.9

5110

5LZ120x7.0-4-720

120

149~200

31/2REG

31/2REG

5:6

4

9.0~18

118~236

3.2

1890

4.8

2835

50

90

46.6

5381

5LZ124x7.0-5-720

124

149~200

31/2REG

31/2REG

5:6

5

9.0~18

118~236

4.0

2362

6.0

3543

50

90

58.3

6101

7LZ124x7.0-4-820

124

149~200

31/2REG

31/2REG

7:8

4

11~22

107~214

3.2

2543

4.8

3815

50

90

57

5761

7LZ124x7.0-5-820

124

149~200

31/2REG

31/2REG

7:8

5

11~22

107~214

4.0

3179

6.0

4769

50

90

71.3

6581

7LZ127x7.0-4-880

127

149~200

31/2REG

31/2REG

7:8

4

11~22

99~200

3.2

2729

4.8

4094

50

90

69

5843

7LZ146x7.0-5-800

146

171~222

4/2REG

4/2REG

7:8

5

13~26

94~188

4.0

4249

6.0

6373

70

130

84.2

6983

5LZ165x7.0-5-840

165

213~251

41/2REG

41/2REG

5:6

5

16~32

99~198

4.0

4987

6.0

7480

80

160

103.7

 

7LZ165x7.0-5-840

165

213~251

41/2REG

41/2REG

7:8

5

16~32

86~172

4.0

5745

6.0

8617

80

160

103.7

 

5LZ172x7.0-5-840

175

213~251

41/2REG

41/2REG

5:6

5

16~32

86~172

4.0

5764

6.0

8645

100

170

103.7

 

7LZ172x7.0-5-840

175

213~251

4/2REG

4/2REG

7:8

5

20~32

90~145

4.0

6833

6.0

10249

100

170

103.7

 

7LZ172x7.0-5-960

175

213~251

4/2REG

4/2REG

7:8

5

20~32

80~127

4.0

7809

6.0

11713

100

170

103.7

 

7LZ178x7.0-6-840

178

213~251

4/2REG

4/2REG

7:8

6

20~32

90~145

4.8

8199

6.78

11582

100

170

103.7

 

5LZ203x7.0-5-840

203

251~311

65/8REG

65/8REG

5:6

5

22~40

85~156

4.0

7948

6

11922

155

250

129.6

 

7LZ203x7.0-5-840

203

251~311

65/8REG

65/8REG

7:8

5

22~40

76~137

4.0

9004

6.0

13506

155

250

129.6

 

7LZ203x7.0-5-1000

203

251~311

65/8REG

65/8REG

7:8

5

22~40

63~115

4.0

10719

6.0

16079

155

250

129.6

 

7LZ216x7.0-5-1020

216

251~311

65/8REG

65/8REG

7:8

5

22~40

54~97

4.0

12659

6.0

18988

180

300

129.6


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