Rotary drilling bit for deephole drilling and method of...

Details Rotary drilling bit for deephole drilling and method of... Rotary drilling bit for deephole drilling and method of...

E - Fixed Constructions

21

B

255/69

E21B 10/00 (2006.01) B23P 15/28 (2006.01) E21B 10/46 (2006.01) E21B 10/60 (2006.01)

Patent

CA 1092593

A B S T R A C T The steel body of a rotary drilling bit for deephole drilling carries modules of composite wear-resistant material. Each module is provided with scraping elements (such as natural or synthetic diamonds) and a nozzle for drilling fluid and/or part of a waterway. The modules are attached to the steel body is a suitable manner and may be placed in an opening or socket in the steel body.

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