HYDRAULIC JAR INTENSIFIER

TECHNICAL SUMMARY

By utilizing a modular intensification system, the hydraulic jar intensifier, as a kind of down hole fishing jar designed to increase jarring energy for hydraulic fishing jar, significantly increases the impact force generated by the drilling jar, facilitating the efficient release of stuck drill strings and minimizing costly downtime.

HYDRAULIC JAR INTENSIFIER

SPECIFICATION

Model

O.D.

mm(inch)

I.D.

mm(inch)

Max. Stroke

mm(inch)

Max. Tensile Load

KN(lbf)

Torsional Limited

KN·m(lbf·ft)

OAL

mm(ft)

Conn.

YJS42

108(4 1/4)

31.8(1 1/4)

215(8 15/32)

800

(180,000)

10

(7,400)

3578

(11.7)

NC31

YJS44

114(4 1/2)

38.1(1 1/2)

211(8 5/16)

900

(202,000)

12

(8,800)

3295

(10.8)

NC31

YJS46

121(4 3/4)

38.1(1 1/2)

224(8 3/4)

1100

(247,000)

15

(11,000)

3318

(10.9)

NC38

YJS54

140(5 1/2)

38.1(1 1/2)

224(8 3/4)

1300

(292,000)

20

(14,800)

3318

(10.9)

NC31

YJS62

159(6 1/4)

57.2(2 1/4)

329(13)

1600

(360,000)

25

(18,000)

3700

(12.1)

NC50

YJS64

165(6 1/2)

57.2(2 1/4)

329(13)

2000

(450,000)

30

(22,000)

3700

(12.1)

NC50

YJS70

178(7)

60(2 5/16)

336(13 1/4)

2400

(540,000)

35

(25,000)

3734

(12.3)

NC50

YJS76

197(7 3/4)

71.4(2 13/16)

333(13 1/8)

2600

(585,000)

40

(29,000)

3238

(10.6)

6 5/8REG

YJS80

203(8)

71.4(2 13/16)

333(13 1/8)

2800

(630,000)

45

(33,000)

3238

(10.6)

6 5/8REG

YJS90

229(9)

76.2(3)

341(13 7/16)

3000

(675,000)

65

(48,000)

3510

(11.5)

6 5/8REG

YJS94

241(9 1/2)

76.2(3)

345(13 1/2)

3500

(787,000)

50

(37,000)

3510

(11.5)

7 5/8REG