Drill bit having geometrically sharp inserts
    1.
    发明授权
    Drill bit having geometrically sharp inserts 有权
    钻头具有几何锋利的刀片

    公开(公告)号:US09212523B2

    公开(公告)日:2015-12-15

    申请号:US13309389

    申请日:2011-12-01

    IPC分类号: E21B10/16 E21B10/58

    CPC分类号: E21B10/58 E21B10/16

    摘要: A drill bit configured for boring holes or wells into the earth, the drill bit having a face and a plurality of zones, the drill bit having geometrically sharp inserts located in an inner zone and non-geometrically sharp inserts located in an outer zone.

    摘要翻译: 钻头,其构造成用于将孔或井钻入地球,所述钻头具有面和多个区域,所述钻头具有位于内部区域中的几何锋利的刀片和位于外部区域中的非几何锋利的刀片。

    DRILL BIT HAVING GEOMETRICALLY SHARP INSERTS
    2.
    发明申请
    DRILL BIT HAVING GEOMETRICALLY SHARP INSERTS 有权
    钻头有几何夏普插件

    公开(公告)号:US20130140093A1

    公开(公告)日:2013-06-06

    申请号:US13309389

    申请日:2011-12-01

    IPC分类号: E21B10/00

    CPC分类号: E21B10/58 E21B10/16

    摘要: A drill bit configured for boring holes or wells into the earth, the drill bit having a face and a plurality of zones, the drill bit having geometrically sharp inserts located in an inner zone and non-geometrically sharp inserts located in an outer zone.

    摘要翻译: 钻头,其构造成用于将孔或井钻入地球,所述钻头具有面和多个区域,所述钻头具有位于内部区域中的几何锋利的刀片和位于外部区域中的非几何锋利的刀片。