Product Details

Specifications

Meet API Spec 8A/8C standard
CE/ISO certificate.
Top quality and best price.
Mechanical Drilling Jar Type JZ

Mechanical Drilling Jar Type JZ

1. It takes the appliance of mechanical structure.

2. High pressure will not produce in inner chamber as to create a good sealing property and greatly extend the service life.

3.Moreover, the up or down jarring blow is adjustable prior to tripping in and will not change during the downhole operation so as to keep a constant jarring load.

TYPE

O.D.

(in.)

I.D.

(in.)

Connection

API

Max. Tensile Load

(Lbf)

Max. Working torque

k N·m

(Lbf·m)

Pumping area

cm2

Up jarring stroke

(in.)

Down jarring stroke

(in.)

Overall length

( locked)

(in.)

JZ95

(3 3/4)

(1 1/8)

2 7/8REG

0.5

(112500)

(1,125)

200

(7.87)

200

(7.87)

5 800

(228.35)

JZ108

108

(4 1/4)

(1 7/16)

NC31

0.7

(157500)

(2,250)

203

(8.00)

203

(8.00)

6 404

(252.13)

JZ121

121

(4 3/4)

51.4

(2)

NC38

1.0

(225000)

(2,700)

198

(7.80)

205

(8.07)

6 343

(249.72)

JZ159Ⅲ

159

(6 1/4)

(2 1/4)

NC46

1.5

(337500)

(3,150)

100

149

(5.87)

166

(6.54)

6 517

(256.57)

JZ165

165

(6 1/2)

(2 1/4)

NC50

1.6

(360000)

(3,150)

100

149

(5.87)

166

(6.54)

6 517

(256.57)

JZ178

178

(7)

(2 1/4)

NC50

1.8

(405000)

(3,150)

100

147.5

(5.81)

167.5

(6.59)

6 570

(258.66)

JZ203

203

(8)

71.4

(2 13/16)

6 5/8REG

2.2

(495000)

(4,050)

176

144.5

(5.69)

176.5

(6.95)

7 234

(284.80)

JZ229

229

(9)

(3)

7 5/8REG

2.5

(562500)

(4,950)

181

203

(8.00)

203

(8.00)

7 753

(305.24)