SHANDONG SAIGAO GROUP CORPORATION
SHANDONG SAIGAO GROUP CORPORATION

Hydraulic Jar Intensifier

YJS type hydraulic jar intensifier is a kind of down hole fishing jar designed to increase jarring energy for hydraulic fishing jar. So it must use together with CSZ type super fishing jar. It can accelerate fishingjar above it and drill collar below it when working, so to get larger jarring force on stuck point, and reduce the shock of drill stem spring-back after jarring at the same time.


Technical Specification of Hydraulic Jar Intensifier

Model

OD

ID

Max. Stroke

Max. Tensile Load

Torsional Limited

OAL

Connection

mm(inch)

mm(inch)

mm(inch)

KN(lbf)

KNm (lbfft)

mm (ft)

YJS42

108

(4-1/4)

31.8 (M/4)

215 (8-15/32)

800

(180,000)

10

(7,400)

3578

(11-7)

NC31

YJS44

114

(4-1/2)

38.1 ("

211

(8-5/16)

900 (202,000)

12

(8,800)

3295

(10.8)

NC31

YJS46

121

(4-3/4)

38.1

(M/2)

224

(8-3/4)

1100

(247,000)

15 (11,000)

3318 (10-9)

NC38

YJS54

140 (5・1⑵

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 (1&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

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)

6-5/8 REG

YJS80

203

(8)

71.4

(2-13/16)

333

(13-1/8)

2800

(630,000)

45 (33,000)

3238

(10.6)

6-5/8 REG

YJS90

229

(9)

76.2

(3)

341 (13-7/16)

3000

(675,000)

65 (48,000)

3510

(11.5)

7-5/8 REG

YJS94

241

(9-1/2)

76.2

(3)

345

(13-1/2)

3500

(787,000)

75 (55,000)

3510 (H-5)

7-5/8 REG


PRODUCT
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