ROTARY DRILLING BIT FOR DEEPHOLE DRILLING AND METHOD OF MANUFACTURING THE SAME

摘要

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.