drill collar

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drill collar
Posting date : Jan 12, 2011
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HS-CODE
72-
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Detailed Description
PDM provides slick or spiral drill collars with outer diameter from 3 1/8 to 11 inches and with the length from 5 feet to 31 feet. Slip or elevator grooves, stress relief features (SRF), cool rolled process for SRF or roots of connections, and other requirements can be made by customers. Slick drill collar: size: 3-1/8 to 11 inches /79.4 to 279.4mm DC Number: NC23-31, NC26-35, NC31-41, NC35-47, NC38-50, NC44-60, NC44-62, NC46-62, NC46-65, NC46-67, NC50-70, NC50-72, NC56-77, NC56-80, 6-5/8REG, NC61-90, 7-5/8REG, NC70-97, NC70-100, 8-5/8REG Spiral drill collar: size: 3-7/8 to 11 inches /98.4 to 279.4mm

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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