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TREPAN DE FRAISE FIXE AVEC DISPOSITIF DE GUIDAGE D'ECOULEMENT
专利权人:
NATIONAL OILWELL DHT; L.P.
发明人:
MOSLEMI, ALI AKBAR,SUE, JIINJEN ALBERT
申请号:
CA2955233
公开号:
CA2955233A1
申请日:
2015.08.12
申请国别(地区):
CA
年份:
2016
代理人:
摘要:
A drill bit comprises a bit body having a body face. A plurality of fixed blades extends from the bit body. Each of the plurality of fixed blades has a leading face and a trailing face. A plurality of nozzles is disposed on the body face to flow drilling fluid out of the bit body. A plurality of flow guides direct a portion of the drilling fluid away from the bit body. Each of the plurality of flow guides extends longitudinally from the body face, and along the leading face of one of the plurality of fixed blades.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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