Alloy Steel Oilfield Downhole Tools , 6 1/2" Hydraulic Drilling Jar Double Acting

Product Description

6 1/2" Double Acting Hydraulic Drilling Jar For Oilfield Downhole Tools

Description of Drilling Jar

The drilling jar connecting with drill tool and working with drill strings is a downhole stuck freeing tool in drilling operation. When drill tool is happened to be stuck in downhole, the stuck drill tool can be released by in time starting the drilling jar to provide continuous up jarring or down jarring . It is a desire tool for directional well, complicated well and deep well.

The drilling jar is consisting of ZSJ type drilling up jar and ZXJ type drilling down jar , both 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 down-hole. No re-adjustment can be allowed after jar is put into down-hole.
 

Technical Specifications of Drilling Jar:

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Application of Drilling Jar

Company Information:

About us

Dongying Machinery Equipment Co.,Ltd is a professional supplier of various petroleum equipment, including drilling rig accessories, well control system, drill string, handling tools, downhole tools, OCTG, drilling tools, cementing tools and spare parts with API certification. Our products have been exported to Russia, America, Middle East, South America, Southeast Asia, Central Asia, African, Australia, Europe etc. Our company is willing to cooperate and make common progress with friends at home and abroad with first-class products, first-class service and reasonable prices.

Certificates

API-5CT, API-10D, API-7K, API-11E, API-6A, API-11AX, API-5D, ISO 9001, ISO14001, ISO18001 etc.

Our Services:

1. We possess a 24 hr response system to provide convenient, fast, and effective pre-sale, during sale and after-sale service.

2. Our promise: Any equipment sold by Dongying at any place in the world, we will provide after-sale service promptly and efficiently. Any equipment component damaged by manufacturing defect or quality problem during the warranty period, Dongying will bear the direct cost of the damaged parts.

3. Warranty period: 18 months from the day that the unit leaves factory or 12 months from the date that the unit is put into use (choose the earliest one which comes to an end as the calculation standard).