Non-magnetic drill collar

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Non-magnetic drill collar
Posting date : Aug 12, 2013
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Free Member Scince Jul 17, 2013
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72-
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Detailed Description
Non-magnetic Drill collars are made from Non-magnetic materials with high-strength (YDWC20-18) or low- strength (YDWC20-14) by combining a proprietary chemical analysis and a rotary hammer forging process with low magnetic permeability excellent machine ability. Each drill collar is fully inspected by internal inspection dept. All datas obtained are recorded on the inspection certificate furnished with each drill collar. API monogram, serial number, OD, ID, type and size of connections are stamped on recessed mill flats. Drill collars are available in lengths from 10 to 31 feet and outside diameter from 31/8" to 11" . Magnetic permeability(MPS=1×105/4πNm) 1). Average value: Ur<1.010. 2). Magnetic Field Gradient: ΔB≤0.05μT.

ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us
Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea
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