发明名称 Borekroneapparat for å regulere kraftmoment på borekrone
摘要 In accordance with some embodiments of the present disclosure, a drill bit for drilling a wellbore in a subterranean formation comprises a plurality of cutters disposed at a contact face of the drill bit. Each of the cutters has a cutting face arranged to cut into the formation when the drill bit is rotated about an axis of rotation passing through the contact face during drilling of the wellbore. At least one of the cutters located inside a gauge portion of the drill bit is machine to form a substantially flat surface that intersects with the cutting face of the cutting and defines a cutting edge of the cutting face of the cutter.
申请公布号 NO20150550(A1) 申请公布日期 2015.05.05
申请号 NO20150000550 申请日期 2015.05.05
申请人 HALLIBURTON ENERGY SERVICES, INC 发明人 MAOUCHE ZAKARIA;KLINK ZEINOUN
分类号 E21B10/44;E21B10/56 主分类号 E21B10/44
代理机构 代理人
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