Oilfield hydraulic drilling jar

Model: TOP-Drilling Jar-01
Place of Origin: Shaanxi,China (Mainland)
Spec.: API
Material: AISI 4145H
Usage: Oil well drilling tools
Type: hydraulic mechanical
Downhole: drill jar
Processing type: Casting
Special Groups: Drilling tools


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Product Description

Payment & Shipping Terms Supply Capacity
Unit Price:300.0~500.0 USDProduction Capacity:500 joint/month
Trade Term:FOBPacking:sea shipment
Payment Terms:L/C, T/TDelivery Date:30 days
Min. Order:1 Piece/Pieces
Means of Transport:Ocean

API Drilling Jar
The 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 drilling up jar and 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 pre-adjusted by adjusting device before put into downhole.No re-adjustment can be allowed after jar is put into downhole.

The type of drilling jar as below

hydraulic drilling up jar, mechanical drilling down jar,super fishing jar, hydraulic up jar, surface bumper jar

Category: Downhole motor

Related Category: Downhole Sucker Rod Pump  Cross over sub  Sucker rod API 

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