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Type YJHM Mechanical & Hydraulic Drilling Jar

Type YJHM Mechanical & Hydraulic Drilling Jar

Description

Model “YJHM” Drilling Jar belongs to the advanced product of model JYQ Jar. The up jarring can be acted by hydraulic as to realize the stepless tonnage control. The new hydraulic valve machine makes up-jarring more stable and reliable. The down jarring can be acted mechanically. And the adjusting mechanism designed specially can realize manual regulation of down-jarring tonnage; the special slips construction makes down-jarring more stable and larger service. It can adopt the new special material for higher property and safety. It can be used for directional hole, deep hole and so on.

Specifications

Model

O.D.
 mm(in)

I.D.

mm(in)

Connection

 API

Max. 

Upward 

Jarring 

force kN(lb)

Max. 

Downward 

Jarring 

force kN(lb)

Max. 

Working

Load

 kN(lb)

Tensie 

Yield

Strength

 kN(lb)

Max.
Working
Torque
 kN.m (ft.lbs)

Torsional

 Yield

 Torque 

  kN.m (ft.lbs)

Length 

mm(in)

YJ165HM

165

(6-1/2)

57

(2-1/4)

NC50

700

 (156000)

350

 (78700)

2000

 (450000)

3750

 (843000)

30

 (22000)

75

 (55000)

9000 

(354.30)

YJ203HM

203

(8)

71.4

(2-13/16)

6-5/8REG

1000 

(225000)

450 

(100000)

2800

 (630000)

6650

 (1495000)

45 

(33000)

145

 (100000)

9000 

(354.30)