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    • 6. 发明授权
    • Method for assembling an underreaming tool
    • 组装工具的方法
    • US07958951B2
    • 2011-06-14
    • US12645865
    • 2009-12-23
    • Jean-Pierre LassoieValerie SillenPhilippe FanuelOlivier Mageren
    • Jean-Pierre LassoieValerie SillenPhilippe FanuelOlivier Mageren
    • E21B10/32
    • E21B10/322E21B10/62
    • An underreaming tool may include a tubular body, a drive tube, at least one blade element (“the blade element”), at least one wedge element (“the wedge element”), and a stop mechanism. The drive tube may include at least one longitudinal groove (“the longitudinal groove”) axially disposed along a length of the drive tube. The wedge element may include a first side having at least one lateral projection (“the lateral projection”) configured to axially slide into the longitudinal groove to couple the wedge element to the drive tube. The stop mechanism comprises a threaded sleeve configured to screw onto the drive tube to lock the wedge element in the longitudinal groove once the lateral projection is slid into the longitudinal groove.
    • 一种流通工具可以包括管状体,驱动管,至少一个叶片元件(“叶片元件”),至少一个楔形元件(“楔形元件”)和止动机构。 驱动管可以包括沿着驱动管的长度轴向设置的至少一个纵向槽(“纵向槽”)。 楔形元件可以包括具有至少一个侧向突起(“横向突出部”)的第一侧面,其被配置成轴向滑入纵向凹槽以将楔形元件耦合到驱动管。 止动机构包括螺纹套筒,其被配置成螺旋到驱动管上,以便一旦横向突起滑入纵向凹槽中就将楔形元件锁定在纵向槽中。
    • 10. 发明申请
    • One-step directional coring or drilling system
    • 一步式定向取芯或钻孔系统
    • US20070017707A1
    • 2007-01-25
    • US11470123
    • 2006-09-05
    • Philippe FanuelLuis QuintanaOlivier Mageren
    • Philippe FanuelLuis QuintanaOlivier Mageren
    • E21B7/08
    • E21B7/061E21B10/64E21B23/06E21B25/02E21B25/16
    • An assembly for sidetracked drilling in a wall of a borehole previously drilled or cored in a formation includes a guide element and an expansible device fixed to the front end of the guide element operable to be selectively expanded by an actuation means. A sidetracking channel is formed in the guide element in alignment with an internal space, upstream of the expansible device in the direction of advance. A longitudinal cavity is formed in the guide element parallel to the longitudinal axis and arranged to allow passage from the internal space to the actuation means of the expansible device. Within the internal space of the guide element, an external tube of the core barrel includes a core bit fixed to the front end of the external tube and arranged to slide, after having been released, in the internal space and in the sidetracking channel and then progress to the formation.
    • 预先在地层中钻孔或堆芯的钻孔壁中的侧钻孔的组件包括导向元件和固定到引导元件的前端的可膨胀装置,其可操作以由致动装置选择性地膨胀。 在引导元件中形成侧向通道,其与内部空间对齐,在可扩展装置的上游方向上向前移动。 引导元件中的纵向腔体平行于纵向轴线形成并被设置成允许从内部空间通向可膨胀装置的致动装置。 在引导元件的内部空间内,芯筒的外管包括固定到外管前端的芯钻头,并被布置成在被释放之后在内部空间和侧钻通道中滑动 进展到形成。