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    • 1. 发明授权
    • Composite drill bit
    • 复合钻头
    • US08985243B2
    • 2015-03-24
    • US13740197
    • 2013-01-12
    • Ying Xin YangLian ChenMin LinZhu PeiHai Tao Ren
    • Ying Xin YangLian ChenMin LinZhu PeiHai Tao Ren
    • E21B10/14E21B10/16E21B10/50E21B10/20
    • E21B10/16E21B10/14E21B10/20E21B10/50
    • A composite drill bit with a bit body configured at its upper extend for connection into a drillstring, comprising: a bit body (1) with at least one bit leg (3), at least one scraping-wheel (2) set with a cutter-row (4), and a set of cutters fixed thereon. The scraping-wheel (2) is mounted for rotation on the corresponding bit leg (3) with a large angular deflection α in the range of 20°≦|α|≦90°. The cutters on the scraping-wheel break rock by means of successive scraping, forming a cross-cutting area on the bottomhole accompanied by the cutters on the fixed cutting unit, thus achieving high rock-breaking efficiency, even wear, high cooling performance, and a longer service life for the cutters, bearings and the drill bit.
    • 一种复合钻头,其具有在其上部延伸部分上配置的钻头主体,用于连接到钻柱中,包括:具有至少一个钻头刀头(3)的钻头体(1),至少一个刮刀轮(2) (4)和固定在其上的一组刀具。 刮削轮(2)安装成在相应的钻头支脚(3)上以大角度偏转α在20°& NlE; |α|和nlE; 90°的范围内旋转。 刮刀上的切割机通过连续刮削破碎岩石,在固定切割单元上的切割机上形成了在井底上的交叉切割区域,从而实现了高的破碎效率,甚至磨损,高冷却性能,以及 刀具,轴承和钻头的使用寿命更长。
    • 2. 发明授权
    • Scraping-wheel drill bit
    • 刮刀钻头
    • US09103168B2
    • 2015-08-11
    • US13740194
    • 2013-01-12
    • Ying Xin YangLian ChenMin LinZhu PeiHai Tao Ren
    • Ying Xin YangLian ChenMin LinZhu PeiHai Tao Ren
    • E21B10/16E21B10/50E21B10/52
    • E21B10/16E21B10/50E21B10/52
    • A scraping-wheel drill bit with a bit body configured at its upper extend for connection into a drillstring, comprising: a bit body (1) with at least one bit leg (3), and at least one scraping-wheel (2) set with a cutter-row (4). The scraping-wheel (2) is mounted for rotation on the corresponding bit leg (3) with a large angular deflection α which lies in the range of 20°≦|α|≦90°. The cutters on the scraping-wheel break rocks by means of successive scraping, forming a spiral-like tracks on the bottomhole, thus achieving high rock-breaking efficiency, even wear, high cooling performance, and a longer service life for the cutters, bearings and the drill bit.
    • 一种刮刀钻头,其具有在其上延伸部分上配置用于连接到钻柱中的钻头体,包括:具有至少一个钻头(3)和至少一个刮削轮(2)的钻头体(1) (4)。 刮刀轮(2)以大的角度偏转α安装在对应的位腿(3)上以旋转,该角度偏差α位于20°< 1 | | | | n1E; 90°的范围内。 刮刀上的切割机通过连续刮削破碎岩石,在井底形成螺旋状轨道,从而实现高破碎效率,均匀磨损,高冷却性能,以及刀具,轴承使用寿命更长 和钻头。
    • 3. 发明申请
    • SCRAPING-WHEEL DRILL BIT
    • 刮刀轮钻头
    • US20130126246A1
    • 2013-05-23
    • US13740194
    • 2013-01-12
    • Ying Xin YangLian ChenMin LinZhu PeiHai Tao Ren
    • Ying Xin YangLian ChenMin LinZhu PeiHai Tao Ren
    • E21B10/08
    • E21B10/16E21B10/50E21B10/52
    • A scraping-wheel drill bit with a bit body configured at its upper extend for connection into a drillstring, comprising: a bit body (1) with at least one bit leg (3), and at least one scraping-wheel (2) set with a cutter-row (4). The scraping-wheel (2) is mounted for rotation on the corresponding bit leg (3) with a large angular deflection α which lies in the range of 20°≦|α|≦90°. The cutters on the scraping-wheel break rocks by means of successive scraping, forming a spiral-like tracks on the bottomhole, thus achieving high rock-breaking efficiency, even wear, high cooling performance, and a longer service life for the cutters, bearings and the drill bit.
    • 一种刮刀钻头,其具有在其上延伸部分上配置用于连接到钻柱中的钻头体,包括:具有至少一个钻头(3)和至少一个刮削轮(2)的钻头体(1) (4)。 刮刀轮(2)以大角度偏转α安装在相应的钻头支脚(3)上,旋转角度位于20°@ |α| @ 90°的范围内。 刮刀上的切割机通过连续刮削破碎岩石,在井底形成螺旋状轨道,从而实现高破碎效率,均匀磨损,高冷却性能,以及刀具,轴承使用寿命更长 和钻头。
    • 4. 发明申请
    • COMPOSITE DRILL BIT
    • 复合钻头
    • US20130126247A1
    • 2013-05-23
    • US13740197
    • 2013-01-12
    • Ying Xin YangLian ChenMin LinZhu PeiHai Tao Ren
    • Ying Xin YangLian ChenMin LinZhu PeiHai Tao Ren
    • E21B10/08E21B10/50
    • E21B10/16E21B10/14E21B10/20E21B10/50
    • A composite drill bit with a bit body configured at its upper extend for connection into a drillstring, comprising: a bit body (1) with at least one bit leg (3), at least one scraping-wheel (2) set with a cutter-row (4), and a set of cutters fixed thereon. The scraping-wheel (2) is mounted for rotation on the corresponding bit leg (3) with a large angular deflection α in the range of 20°≦|α|≦90°. The cutters on the scraping-wheel break rock by means of successive scraping, forming a cross-cutting area on the bottomhole accompanied by the cutters on the fixed cutting unit, thus achieving high rock-breaking efficiency, even wear, high cooling performance, and a longer service life for the cutters, bearings and the drill bit.
    • 一种复合钻头,其具有在其上部延伸部分上配置的钻头主体,用于连接到钻柱中,包括:具有至少一个钻头刀头(3)的钻头体(1),至少一个刮刀轮(2) (4)和固定在其上的一组刀具。 刮刀轮(2)以20°@ |α| @ 90°的范围内的大的角度偏转α安装在相应的钻头腿(3)上旋转。 刮刀上的切割机通过连续刮削破碎岩石,在固定切割单元上的切割机上形成了在井底上的交叉切割区域,从而实现了高的破碎效率,甚至磨损,高冷却性能,以及 刀具,轴承和钻头的使用寿命更长。