Non-magnetic drill collars

According to API Spec.7 and SY/T5144, the non-magnetic drill collars are made of low carbon stainless steel.

All threads are cold rolled, and they are machined with CNC Lathes –Double –shouldered, including some special threads.

The mechanical properties and corrosion resistance completely meet API standard, and the collars hve the characteristics of strong intensity and toughness.

Technical Specification

More information,please feel free to contact me:

Grace Sun

Mob:+86 18254659971(whatsapp and viber)

Skype:sunping7766986

Wechat:sp1987809554

Dongying Kangyu Petroleum Engineering Technology Service Co., LTD ,is Located in Dongying city, Shandong Province –the base of China’s second largest oilfield, Shengli Oil Field, Kangyu has become a professional international company integrating oilfield engineering services and oil equipment export trade.Company existing staff more than 160 people,production and detection equipment more than 10 sets , the fixed assets of 80 million RMB.

Kangyu is the professional technical services provider with business of the drilling equipment maintenance,top drive maintenance,expandable tubular echnology,directional drilling,workover services and Sand--Flushing operations .Kangyu Company has more than 30 senior engineers all have the work project experience more than ten years ,advanced engineering equipment,the experienced work team,Gain the consistent recognition and praise from domestic and overseas .

Kangyu also is a professional oil equipment supplier ,main products include oil drilling and production equipment and accessories, drilling tools, oil tubular goods, electro-mechanical equipment,etc.Kangyu company has eight cooperation factory, keep the good cooperation with excess 30 gold suppliers , five senior purchasing engineers, so that can provide a good guarantee for the customers quality requirements ,price ,delivery date and fund security.

In the period of company's business booming, Kang Yu also pay attention to personnel training and technological innovation,Building good relationships with China academy of victory and China University Of Petroleum .in addition ,kangyu company actively to build up a global operations and service network ,In succession prepare to build  overseas projects department and office agency ,technical service and trade footprint has  throughout the Middle East, central Asia, Asia Pacific, Africa, America and so on， more than 10 countries and regions.