Jiyuan City East Heavy Industry Co.,Ltd

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1. Lifting sub

lifting sub

2. non magnetic drill collar

Drill collar is a component of a drill string that provides weight on bit for drilling. These are thick-walled tubular pieces machined from solid bars of steel, usually plain carbon steel but sometimes of nonmagnetic nickel-copper alloy or other ...

3. Spiral drill collar

The details of Spiral drill collar as follows,
1. Material: AISI 4145H Alloy steel,
2. Shape: It is a kind of drill collar which adds three dextrogyrate spiral groove on the outer circle
of ordinary drill collar when processing, and the ...

4. Non-magnetic drill collar

Drill collar is a component of a drill string that provides weight on bit for drilling. These are thick-walled tubular pieces machined from solid bars of steel,usually plain carbon steel but sometimes of nonmagnetic nickel-copper alloy or other ...

5. Integral heavy weight drill pipe

HWDP is a type of drill pipe with thick walls and collars are longer than conventional drill pipe. HWDP tends to be stronger and has higher tensile strength than conventional drill pipe. It provides a flexible transition between drill collar ...

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