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Drilling hydraulic jars
Hydraulic jars YaGB-105, YaGB-152,4 and YaGB-172 of right and left fulfillment are purposed to release fastened inner-well equipment by hits that are directed to the upwards together with static axled stretching load and torsional moment during drilling works.
Features |
YaGB-152,4 |
YaGB-172 |
| Diameter along the body, mm |
152,4 |
172,0 |
| Through channel, mm |
57,2 |
76...80 |
The length, mm
- the smallest, mm
-with extensible spindle |
no more than 2953,0
no more than 3253,0
|
no more than 2400,0
no more than 2700,0
|
Coupling threads:
- box
- pin |
З-133
З-133
|
З-133
З-133
|
Permissible loads on a jar:
- axled extending, кN
- torque, Nм |
2470
53 090
|
2750
53 090
|
Loads, dangerous for jars' integrity:
- axled stretching, kH
- torque, Nm |
3860
79 630
|
4120
91 300
|
| max. load of disconnection, kN |
700 |
600 |
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