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Products > api thread > Beijing Metalwork Petroleum Technology Co.,Ltd | Similar Products

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Non-magnetic Drill Collar: Detailed Product Description drill collar 1)O.D: 2-3/8"-20" 2.Grade:J55 K55 N80 P110 ect 3.Thread :NU EU STC LTC BTC 4.Standard: API 5CT... drill collar Materials of the Non-magnetic drill collars ...

Six-party Drill Pipe: The six-party drill pipe is made from AISI4145H alloy steel. According to API Spec.7 and SY/T6509. IT is formed by hot forged and fully heat-treated by intermediate frequency induction heat treatment ...

Integral Heavy Weight Dill Pipe: API7-1 standard strictly.It is usually between the drill collar and the drill pipe to prevent any abrupt changes of the drill string. When being used in the directional well, it can drill in a high ...

Spiral Drill Collars: The spiral drill collars are made of 4145H modified chromium-molybdenum alloy steel according to API Spec 7 and aSY/T 5144 . All threads can be phosphated,copperised or cold worked. All threads are ...

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Non-magnetic Drill Collar