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drilling jar

Published on: Nov 10 , 2022

We designed every aspect of this double-acting hydraulic jar to withstand the rigors and long hours of challenging applications.

 Featuring an extra-long stroke length for exceptional impact and impulse forces during jarring operations, 

the Double-Acting Fully Hydraulic Drilling Jar  offers infinitely variable trip loads up to the maximum rating of the tool. 

Only a minimal load is required in both the up and down jarring directions, which is crucial in directional, horizontal, and extended-reach wellbores. 

This makes the jar an ideal solution for modern drilling operations.








Company Profile



Tianhe Oil Group Huifeng Petroleum Equipment Co., Ltd is a modernized medium-scale enterprise specialized in production of oil and gas tools.


As an API-Certified established manufacturer and supplier of a comprehensive range of downhole equipment with related accessories, we are committed to providing the highest Quality products for the Petroleum and natural gas industry since 1973.



Tianhe Oil Group strongly believes and promotes Total Quality Management, implement the ISO quality management system and HSE management system and API Standard, which has been deeply implanted into every person's thought and carried out into every aspect of work.


Our manufacturing facilities are well equipped with four automated induction heat treatment lines and dozens of other types of heat treatment ovens and well furnaces to ensure full coverage of heat treatment requirements by different products to achieve the required mechanical properties.


In order to ensure the quality consistency and interchangeability of high precision components, Tianhe has introduced WFL 5-axis Linkage Turning & Milling Machining Center from Austria, Mazak's turn milling machining center from Japan and the Haas vertical machining center from USA. These processes are facilitated with precise quality inspection equipment such as the Brunker OES Metal Analyzers from Germany, Ultrasonic and Magnetic Powder Flaw Detector and high precision Hexagon Three Coordinate Measuring Machine and Farco Portable Three Coordinate Measuring Machine.


So far, Tianhe Oil Group has established strong business relationships with over 200 international oil & gas companies in supporting the top 50 oil producing countries.


We take pride in delivering superior performances and reliability. Our objective is to exceed your expectations, improve your economics and be an integral part of your strategies.


0086-28-83261165

inquiry@tianheoil.com

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