• Double-Acting Hydraulic Drilling Jar
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Double-Acting Hydraulic Drilling Jar

Double-Acting Hydraulic Drilling Jar has the characteristics of simple operation,adjustable shock tonnage,high temperature resistance,etc.This type of drilling jar adopts a new hydraulic delay release system,which has excellent reliability and wide adaptability.

Product highlights:

Double-Acting Hydraulic Drilling Jar, the mechanical locking mechanism prevents unnecessary wear of the internal parts during the working process,and improves the working life.

Double-Acting Hydraulic Drilling Jar,the mechanical locking mechanism is functional safety and reliability,which is made by special process.The friction resistance is small,and the locking force is linear stability.

Double-Acting Hydraulic Drilling Jar,The locking mechanism can avoid the failure jarring caused by misoperation when connect simple root to the drill string or contact the hole bottom.


Overview of  Double-Acting Hydraulic Drilling Jar:

QY type hydraulic drilling jar is a new generation of double-acting hydraulic jar that is fullyupgraded by our company on the basis of the original QYSZ Ⅱ type full-hydraulic drilling jar. Ithas the characteristics of simple operation, adjustable shock tonnage, high temperatureresistance, etc. This type of drilling jar adopts a new hydraulic delay release system, which hasexcellent reliability and wide adaptability.

QYSZIII New Double Acting Hydraulic Drilling Jar is a new hydraulic drilling jar with locking mechanism developed on the basis of the structure of QYSZIl double-acting hydraulic drilling jar.

drilling jars

drilling tools



Advantages of  Double-Acting Hydraulic Drilling Jar:

As a professional drilling tool, the superior machine structure is to further improve the machine maintainability. 

The better sealing materials are selected to improve the reliability of sealingThe core mechanism adopts the seal oil bath design to reduce the wear and tear of the moving partsand improve the life of the whole machine. 

Double-Acting Hydraulic Drilling Jar,The overflow area of the release channel is increased to reduce the running resistance and greatlyimprove the shock effect. The operating force of hydraulic releasing mechanism can be controlled on the ground by driller, and canbe flexibly adjusted according to the downhole situation. 

The optional mechanical locking module is added to meet the needs of some special users.Increase the fast recovery function of the upward and downward strokes. 

The mandrel moves back tothe middle position, and then the jar will do jarring again in either of the two directions.Making it a stability expert among oil tools.

Technical parameters and customization options:

oil tools


Why choose our Double-Acting Hydraulic Drilling Jar?

 Professional oil tools manufacturer, strictly following API standards. 

 Double-Acting Hydraulic Drilling Jar adopts precision machining to ensure high-precision matching. 

 Customized service to meet the needs of different drilling conditions. 

 Global oil field application verification, reliability and durability are highly recognized.





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