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Cased Hole Drill Stem Hydraulic Jar Downhole Oil Tools

China Techcore Oil Tools Co.,Ltd, certification
China Techcore Oil Tools Co.,Ltd, certification
Customer Reviews
During the DST-TCP operation, the APR tools we purchased worked stable, and we are happy to see the quick response for any technical issure and fast delivery for redress kits

—— Ahmed

We are satisfied with your tools after 5 runs successful operation. We highly appreciate to see the excellent performances in sealing capacity and thanks for the specialist technical support from you

—— Leon

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Cased Hole Drill Stem Hydraulic Jar Downhole Oil Tools

Cased Hole Drill Stem Hydraulic Jar Downhole Oil Tools
Cased Hole Drill Stem Hydraulic Jar Downhole Oil Tools Cased Hole Drill Stem Hydraulic Jar Downhole Oil Tools

Large Image :  Cased Hole Drill Stem Hydraulic Jar Downhole Oil Tools

Product Details:
Place of Origin: CHINA
Brand Name: Techcore
Certification: ISO, BV, SGS
Model Number: 5" Hydraulic Jar
Payment & Shipping Terms:
Minimum Order Quantity: 1 set
Price: Negotiable
Packaging Details: Polly wood, suitable for sea and air shipment
Delivery Time: 35-40 days
Supply Ability: 80 sets/month

Cased Hole Drill Stem Hydraulic Jar Downhole Oil Tools

Application: Well Testing Operation Type: DST Safety Tools
Standard: NACE MR0175 Working Temperature: Max. To 450 OF
Working Pressure: 15000psi Working Condition: H2S Service Above 175oF & Full H2S
Tool Size: 5 Inch Connection: IF Box X Pin
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Hydraulic Jar Downhole Oil Tools


Drill Stem Downhole Oil Tools


Cased Hole Downhole Oil Tools

 Cased Hole Big John Jar For Drill Stem Testing High Pressure Hydraulic Jar
The Big John Jar is a kind of hydraulic jar which is Halliburton type. The Big John Jar is used as a safety tool in the well downhole testing operation and TCP operation. The Big John 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” Hydraulic Jar is 222.2kN.


Features of Hydraulic Jar


* The Big John Jar is designed with the hydraulic system, which is made it esay to operate.

*  During the operation, the Big John jar reduce the rig time.

* The big john jar can be recoked rapidly.

* The jar time delay is adjustable.

Technical parameter of Hydraulic Jar


No Specification 5”
1 O.D. 127.5mm
2 Bore Diameter 57mm
3 Length 1695mm
4 Working pressure 105Mpa
5 Internal pressure strength 149Mpa
6 External pressure strength 138Mpa
7 Tensile strength 1406KN
8 Torque strength 22KN.m
9 Service H2S,NACE MR0175(>175oF)
10 Working temperature -29oC+204oC
11 Connection thread 3 7/8CAS. BXP or 3 1/2 IF.BXP


                              Cased Hole Drill Stem Hydraulic Jar Downhole Oil Tools 0


Advantage of Techcore Oil Tools


Techcore Oil Tools expertise in manufacture of the Drill Stem Testing Tools for more than Ten years, the professional Reserch and Development (R&D) department improves the advanced technology in design of the Drill stem testing tools for well testing service.


Techcore designs and chooses the raw material of DST tools according to the customers' oil well condition, and make all our effort to supply the cost effective well testing tools to satisfy the customer, and improve the test tools to meet the industry’s demand for ultra-high pressure and temperature downhole operation.


Product Scope


RTTS Serires: Full bore retrievable packer, full bore retrievable circulating valve, full bore retrievable safety joint,

Tester Valve: downhole tester valve, select tester valve, LPR- N Valve, Tubing String Tester Valve

Circulating valve: omni valve, multi-cycle circulating valve, RD Circulating valve, RD safety Circulating Valve, Hydraulic Circulating Valve

Other DST string tools: hydraulic jar, vertical shock absorber, radial shock absorber, RD safety circulating valve, high pressure retrievable packer with bypass, CHAMP packer, IPO valve, sleeve type drain valve, rupture disk sampler, super safety valve with control panel, BOP safety valve for downhole operation and so on.



Contact Details
Techcore Oil Tools Co.,Ltd,

Contact Person: Mr. LEE

Tel: 0086 18161839623

Send your inquiry directly to us (0 / 3000)