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CSJ Super Fishing Jar

CSJ Super Fishing Jar
CSJ Super Fishing Jar

Product Code : CSJ Super Fishing Jar

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Description

CSJ type super fishing jar is a fishing tool which the jarring force is larger than other jar with same specifications. It features a closed structure ,reliable performance, easy to adjust and easy to operate. It is a new type of top jarring tool used in oilfield ,geological exploration and drilling operation.

Working principle

CSJ type super fishing jar effects the top jarring action is by means of hydraulic mechanism which allows taper piston to move in cylinder and stores energy by raising drill tool . When the drill tool attached on the top of super fishing jar is raised , enough time is provided for drill tool to store energy due to the damping action between taper piston and sealing body in pressure body of super fishing jar. When taper piston moves to release bore, the drill tool shall suddenly attract and produce an upward dynamic load along with the instant unloading of high hydraulic oil . The reliable impact working face is designed in the product structure to ensure that large jarring force is provided to stuck fish (drill tool ). A desire return mechanism is designed in order to make a reciprocating jarring action. In order to make a rotation for drill tool in down hole and a circulation for fluid, CSJ type of super fishing jar pass torque by means of spline and meanwhile enlarge the watercourse as far as possible to meet the tests with exception of fluid circulation and other applications.

 

Specifications - CSJ Super Fishing Jar

Parameter/Model

CSJ31B

CSJ34B

CSJ36B

CSJ42C

CSJ44B

CSJ46B

CSJ62B

CSJ64B

CSJ70B

CSJ76B

CSJ80B

CSJ90B

Pull-down length (mm)

3827

3830

3875

3950

4065

4065

4410

4410

4430

4435

4435

4500

O.D. (mm)

80

89

95

108

114

121

160

165

178

197

203

229

I.D. (mm)

25.4

25.4

28

38

38

45

57

57

60

71

71

76

Stroke (mm)

298

298

298

305

305

305

320

320

320

330

330

330

Tensile load (KN)

300

400

500

700

780

980

1270

1370

1570

1870

2100

2200

Max.tension downhole (KN)

150

180

200

250

340

400

700

750

800

800

800

1000

Max.work torque (kN.m)

3

3.5

4

6

7

8

15

15

17

20

22

25

Sealing pressure

20

20

20

20

20

20

20

20

20

20

20

20

Max.working temperature()

150

150

150

150

150

150

150

150

150

150

150

150

API Connection

23/8REG

NC26

NC26

NC31

NC31

NC38

NC50

NC50

NC50

65/8REG

6 5/8REG

7 5/8 REG

Weight

80kg

145kg

155kg

195kg

260kg

300kg

550kg

600kg

700kg

860kg

900kg

1120kg

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