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Screw drill tool

Update time:2023-03-28
The advantages of screw drillingScrew drilling tool is a kind of positive displacement bottom-hole power drilling tool, which converts the hydraulic energy of drilling circulation washing medium into the mechanical energy of rotating bit crushing rock…

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  • Product Details

The advantages of screw drilling

Screw drilling tool is a kind of positive displacement bottom-hole power drilling tool, which converts the hydraulic energy of drilling circulation washing medium into the mechanical energy of rotating bit crushing rock. It is widely used in the drilling construction of vertical, directional, horizontal and secondary Wells.

The screw drill is mainly divided into two types according to the nature of the rock stratum it encounters

High torque and high speed screw drilling tool, suitable for rock drilling

Conventional torque high speed screw drill is suitable for coal seam drilling.

structure

It is composed of motor assembly, cardan shaft assembly, bending pipe drive shaft assembly and other parts

Scope of application

Directional drilling in coal mine

characteristic

Corrosion resistance, high torque, high speed, low pressure drop, low starting pressure, long life

specification

Φ73/89, bending Angle 1.25°, 1.5 °, especially flat or three helix structure

Technical parameter

钻具型号

头数

级数

排量

转速

工作

压力降

输出扭矩

最大

压力降

最大扭矩

最大

输出功率

全长

lpm

rpm

Mpa

N.m

Mpa

N.m

kw

mm

gpm

pai

lb-ft

pai

lb-ft

hp

无磁4LZ73×7.0 L- 3- 480

3:4

3

113- 303

30- 80

154- 410

2.4

350

225

166

3.39

495

319

235

13

17

2795

无磁5LZ73×7.0 L- 3- 600

5:6

3

180- 360

48- 95

190- 360

2.3

333

325

240

3.6

522

500

369

18

25

3056

等壁厚U5LZ73×7.0 L- 3- 600

5:6

3

180- 360

48- 95

155- 310

3.36

487

540

398

4.65

675

702

518

23

31

3270

无磁C7LZ73×7.0 L- 4- 600

7:8

4

180- 360

48- 95

135- 270

3.2

466

550

407

4.5

652

736

543

20

27

3600

无磁7LZ73×7.0 L- 4- 400

7:8

4

140- 419

37- 111

138- 413

3.2

466

415

306

4.52

655

584

430

24

32

3056

无磁5LZ89×7.0 L- 3- 600

5:6

3

324- 648

85- 171

193- 385

2.4

350

540

425

3.39

495

730

538

26

35

3578

等壁厚U7LZ89×7.0 L- 3- 720

7:8

3

360- 730

95- 193

150- 300

3.39

495

1120   826

4.65

675

1500

1106

46

60

3860

常规5LZ89×7.0 L- 3- 600高性能

5:6

3

255- 766

67- 202

108- 325

2.4

348

810

598

3.4

493

1148

848

39

52

3600

常规5LZ89×7.0 L- 4- 600高性能

5:6

4

255- 766

67- 202

108- 325

3.2

466

1080   800

4.52

655

1526

1126

47

63

4170

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