Axial Jars

Design of axial jar is own «BURINTEKH», Ltd development protected by Russian and foreign patents.

Main advantages are:

  • Singular case thread (between body and bottom sub);
  • Compactness which allows transport it on pickup and deliver it to hard-to-reach areas on helicopter without external suspension;
  • Absence of extreme loads to hydraulic cylinder appearing during jar performance;
  • Ability of quick repair by changing hydraulic cylinder;
  • Jars for upward and downward impacts are different tools and can be placed in the drillstring independently from each other or only one of them.

Hydraulic jar YAGB-172 is produced of several series: ordinary YAGB-172, for rotary BHA YAGB-172R, for working at high pressure YAGB-172VD.

Tool series

Outside diameter, mm

Drift diameter, mm

Length in fold position/with pulled out spindle, mm

Connection threads GOST 28487-90

Weight, kg

YAGR-82

82

22

1,843/2,093

Z-66
(Z-65)

56

YAGR-95

95.6

22

2,041/2,341

Z-76

82

YAGR-105

105...107

25

2,518/2,818

Z-86

130

YAGB-114

114.8

50.8

2,101/2,401

Z-86

114

YAMB-114H

114.8

50.8

2,076/2,180

Z-86

125

YAGB-124

124…127

50.8

2,084/2,384

Z-102

139

YAGB-172

172…175

76

2,142/2,442

Z-133

314

YAGB-172R

172…178

76

2,675/2,973

Z-133

350

YAGB-172VD

172…178

76

2,668/2,966

Z-133

340

YAMB-172H

172…176

73

2,294/2,442

Z-133

240

YAGB-195-PR

195…197

76

2,560/2,860

Z-152

420