hydraulic mechanical drilling jar

1. hydraulic mechanical drilling jar, 2. API Standard, 3. Oilfiled Drilling Jar, Mechnical Drilling Jar - details see: https://www.machineto.com/hydraulic-mechanical-drilling-jar-10317130
Place of Origin:China (Mainland)Brand Name:VDType:Drilling JarMachine Type:Drilling Tool
Certification:APIMaterial:AISI4145HProcessing Type:ForgingUse:Well Drilling
Usage:Oil Well   
hydraulic mechanical drilling jar
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Drilling jar which is connected with drill tool&worked with drill string is a downhole stuck freeing tool in drilling operation

Drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling operation .It is a first selected tool for directional well,complicated well and deep well.

The drilling jar is consisting of ZSJ type drilling up jar and ZXJ type drilling down jar,both they can be used mutually or operated separately .

The up jarring section takes use of hydraulic mechanism,the jarring force can be adjusted according to up elevating load but can not exceed the max.load for tool load rated .

The down jarring section takes use of mechanical friction mechanism, the jarring force is well preadjusted by adjusting device before put into downhole.No re-adjustment can be allowed after jar is put into downhole.

hydraulic mechanical drilling jar
Packaging Detail:seaworthy packing
Delivery Detail:30 days

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