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Geophysical Exploration,
Logging and Well Testing Equipment

Drilling and Workover Equipment

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Shock Absorber

Brief Introduction:

Shock absorber absorbs or reduces the impact load of bit, the vibration load of drill string and the torsional load of rotary rock breaking by using the shock absorber elements inside the tool, so as to protect the bit and drilling tool.

The hydraulic shock absorber uses a compressible liquid as an elastic element to reduce and absorb the axial impact of the drill bit and the longitudinal vibration of the drill string, and has a good protection effect on the drill bit and the drill string.

A set of mechanical screw mechanism is added inside the two-way shock absorber, so in addition to the function of the hydraulic shock absorber, it can also reduce and absorb the torsional impact during rotary drilling, maintain normal torque and weight on bit, The best combination of weight on bit and speed in drilling and other drilling operations.

The mechanical shock absorber uses a set of butterfly springs as elastic elements to absorb the impact energy of the drill string. This shock absorber has a simple structure, reliable operation and stable performance, and can be used especially in well conditions where the bottom temperature is high.

No.

Name

Product code

Model

Nominal outer diameter,mm

Nozzle diameter,mm

Length,m

Connecting thread

Maximum working pressure,kN

Maximum working tension,kN

Maximum working torquekN·m

Elastic stiffness,kN·m

1

Shock Absorber

47031201

JZ-YS159-I

159

45

4.8

4 IF

300

1500

15

3.5～5.0

2

Shock Absorber

47031201

JZ-YS165-I

165

45

4.8

4 IF

300

1500

15

3.5～5.0

3

Shock Absorber

47031201

JZ-YS178-I

178

50

5.2

4 1/2 IF

350

1500

15

3.5～5.0

4

Shock Absorber

47031201

JZ-YS203-I

203

64

5.1

6 5/8 REG

480

2000

20

4.0～5.5

5

Shock Absorber

47031201

JZ-YS229-II

229

70

4.8

7 5/8 REG

540

2000

20

4.0～6.5

6

Shock Absorber

47031201

JZ-Y121

121

38

3.8

3 1/2 IF

250

1000

10

3.0～3.5

7

Shock Absorber

47031201

JZ-Y159-I

159

45

4.2

4 IF

300

1500

15

3.5～5.0

8

Shock Absorber

47031201

JZ-Y165-I

165

45

4.2

4 IF

300

1500

15

3.5～5.0

9

Shock Absorber

47031201

JZ-Y178-I

178

50

3.8

4 1/2 IF

350

1500

15

3.5～5.0

10

Shock Absorber

47031201

JZ-Y203

203

64

4.5

6 5/8 REG

480

2000

20

4.0～5.5

11

Shock Absorber

47031201

JZ-Y229

229

70

3.9

7 5/8 REG

540

2000

20

4.0～6.5

12

Shock Absorber

47031201

JZ-H159-I

159

45

3

4 IF

300

1500

15

3.5～5.0

13

Shock Absorber

47031201

JZ-H165-I

165

45

3

4 IF

300

1500

15

3.5～5.0

14

Shock Absorber

47031201

JZ-H178-I

178

50

3

4 1/2 IF

350

1500

15

3.5～5.0

15

Shock Absorber

47031201

JZ-H203-I

203

64

3

6 5/8 REG

480

2000

20

4.0～5.5

16

Shock Absorber

47031201

JZ-H229

229

70

3.5

7 5/8 REG

540

2000

20

4.0～6.5

17

Shock Absorber

47031201

JZ-H279

279

80

4.5

8 5/8 REG

700

2500

25

5.0～7.5

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