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5 Inch Big John Jar Hydraulic Jar Drilling For DST Service Service

Minimum Order Quantity : 1 set Price : USD 1-10000/set
Packaging Details : Pollywood Delivery Time : 30-50 days
Payment Terms : L/C, T/T, D/P Supply Ability : 10 set/month
Place of Origin: China Brand Name: ZZ TOP OIL TOOLS
Certification: ISO, API Model Number: Hydraulic Jar / Big John Jar

Detail Information

Product: Hydraulic Jar / Big John Jar Type: APR Tools
Size: 5 Inch & 3 7/8inch Working Pressure: 15000psi
Application: Oil Well Downhole Testing Service Connection: IF, EUE , CAS
Working Condition: Oil & Gas & H2S Service Working Temperature: Up To 425oF
High Light:

5 inch Big John Jar


127.5mm Big John Jar


105Mpa hydraulic jar drilling

Product Description

Hydraulic Jar / Big John Jar For DST service Fracturing Service


The Big John Jar is a kind of hydraulic jar used in drill stem testing service. The hydraulic jar is the part of tool string to help remove stuck tools.
The hydraulic jar helps free a stuck tool or tool string by resisting a pull on the workstring, when the workstring is stretched by the pull, tension in the jar is released and an upward impact is delivered to the stuck tool. The pulling strength of 5” Big John Jar is 222.2kN.

Features and Benefits of Hydraulic Jar


  • 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.


Technical parameter of Hydraulic Jar


Size 127.5mm(5”)
ID 57mm
Length 1695mm(IF BxP)
Working Pressure 105Mpa
Tensile Strength 1406KN
Internal Pressure Strength 149Mpa
External Pressure Strength 138Mpa
Torque Strength 22KN.m
Service NACE MR0175,Above 175F
Working Temperature -29oC~204oC
Connection Thread 3 1/2” IF BXP 3 7/8” CAS BXP


 5 Inch Big John Jar Hydraulic Jar Drilling For DST Service Service 0 5 Inch Big John Jar Hydraulic Jar Drilling For DST Service Service 1


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