3 7/8", 5", 15000psi, 10000psi, Well testing Drill stem testing Hydraulic Jar / DST Big John Jar

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price: Negotiable
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Total supply:
Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-14 01:35
Browse the number: 621
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Product details

Xi'an ZZ Top Oil Tools Co.,Ltd is one of the top level hydraulic jar manufacturers and suppliers, with professional factory, we are able to produce API and oilfield big john jar, dst hydraulic jar, well testing hydraulic jar, welcome to contact us.

Briefly Introduce:  


The Hydraulic Jar i is included as part of a toolstring to help remove stuck tools. It is a straight-pull operated jar with a closed hydraulic system and a unique balance piston used to equalize oil pressure with tubing pressure. 

The hydraulic jar is designed for easy control of the jarring action by the operator. The time delay impact control is allowed for by use of Flow Restrictors between the upper and lower oil chambers. Fluid flow is restricted only in the upward pull direction so the jar is easily reset for subsequent jars.


Features

• Design of the hydraulic system ensures long life with little maintenance. 

• Rig time is reduced. 

• Jar can be re-cocked rapidly. 

• Jar time delay is adjustable. 

• Amount of pull to trip the jar can be varied within the limits of the time-delay system


Specification


Size/in

OD/      

 mm

ID/ 

mm          

Working pressure 

/ Mpa

Service 

environment

Working 

temperature

Connection

3 7/8”

98.5

45

70

105

Mud, Crude Oil, 

Natural gas with

 H2S and acid

--29oC ~

+204oC

EUE

IF

CAS

     5"

127.5

57



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