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    • 1. 发明授权
    • Bore hole underreamer
    • 钻孔深喉
    • US06886633B2
    • 2005-05-03
    • US10264761
    • 2002-10-04
    • Philipp FanuelJean-Pierre LassoieStein Erik MoiClint Smith
    • Philipp FanuelJean-Pierre LassoieStein Erik MoiClint Smith
    • E21B10/32E21B10/62E21B7/28
    • E21B10/322E21B10/62
    • Provided is a bore hole underreamer, intended in particular for oil drilling. The underreamer has a hollow body and at least two cylindrical bores. The bores are distributed over the circumference of the hollow body and each bore contains a cylindrical widening arm. Each arm has a bladed cutting end disposed on the outside of the body that slides between active and inactive positions. Another end of each arm is disposed inside the body and receives fluid pressure for pushing the arm into the active position. The underreamer includes a locking member for locking the arms in their inactive position when the locking member is immobilized in the body in a releasable fashion in a locking position. When released, the locking member leaves the locking position under a thrust from at least one of the arms subjected to the pressure capable of pushing the arm into its active position.
    • 提供了一种钻孔扩孔器,特别用于石油钻探。 该扩孔器具有中空体和至少两个圆柱形孔。 孔分布在中空体的圆周上,每个孔包含圆柱形加宽臂。 每个臂具有设置在身体的外侧的刀片切割端,其在主动位置和非活动位置之间滑动。 每个臂的另一端设置在身体内部并且接收用于将臂推动到活动位置的流体压力。 所述扩孔器包括锁定构件,当锁定构件以可释放的方式固定在身体中时,锁定构件用于将臂锁定在其不起作用的位置。 当释放时,锁定构件在受到能够将臂推动到其主动位置的压力的至少一个臂的推力下离开锁定位置。
    • 2. 发明授权
    • Bore hole underreamer having extendible cutting arms
    • 钻孔扩孔器具有可扩展的切割臂
    • US06929076B2
    • 2005-08-16
    • US10387770
    • 2003-03-13
    • Philippe FanuelJean-Pierre LassoieStein Erik MoiClint Smith
    • Philippe FanuelJean-Pierre LassoieStein Erik MoiClint Smith
    • E21B10/32E21B10/62
    • E21B10/322E21B10/62
    • A bore hole underreamer is provided having a hollow body with a longitudinal axis, which has an external wall, at least two cylindrical bores provided through the external wall and whose axes are transverse to the longitudinal axis. Each of the bores have a cylindrical widening arm for widening the hole, which is arranged in the bore like a hydraulic piston, so as to be able to slide therein between an active position and an inactive position. The underreamer has a locking member which can occupy a locking position in which this member locks the arms in their inactive position, and which, when it is released, can leave the locking position under a thrust from at least one of the arms subjected to the pressure capable of pushing the arm into its active position.
    • 提供了一种钻孔扩孔器,具有具有纵向轴线的中空体,其具有外壁,至少两个圆柱形孔,其通过外壁设置并且其轴线横向于纵向轴线。 每个孔具有用于加宽孔的圆柱形加宽臂,其如液压活塞布置在孔中,以便能够在活动位置和非活动位置之间滑动。 该扩展器具有锁定构件,该锁定构件可以占据一个锁定位置,在该位置中,该构件将臂锁定在其不起作用的位置,并且当释放该位置时,可将该锁定位置从至少一个受到 能够将臂推入其主动位置的压力。
    • 4. 发明申请
    • DOWNHOLE TOOL AND CONTROL MODULE
    • 卧式工具和控制模块
    • US20140110171A1
    • 2014-04-24
    • US14112229
    • 2012-10-22
    • Jean-Pierre LassoieJohn Ransford Hardin
    • Jean-Pierre LassoieJohn Ransford Hardin
    • E21B44/00E21B10/32
    • E21B44/00E21B10/32E21B10/322
    • Described herein is a reamer tool (100) having a body (105) with bays (115) in which cutter arms (110) are mounted for deployment between a stowed position and a deployed position. A deployment mechanism is provided for deploying the cutter arms from their stowed position to their deployed position that maintains each cutter arm in a position that is substantially parallel to a longitudinal axis of the body (105) whilst in its stowed position and in its deployed position as well as during its deployment from its stowed position to its deployed position. A control module (300) is also described for controlling the deployment of the cutter arms (110). The control module (300) comprises a motor (310), a gearing mechanism (315) and a moveable element (320) that closes a port (385) in a first position and opens the port (385) in a second position. Fluid flow enters a chamber (340) behind a piston (170) through the port (385) to allow pressure to build up before actuating the piston (170) and thereby the deployment mechanism for the cutter arms (170).
    • 这里描述的是一种铰刀工具(100),其具有带有托架(115)的主体(105),其中安装有刀臂(110)以在收起位置和展开位置之间展开。 提供了展开机构,用于将切割器臂从其收起位置展开到其展开位置,其将每个切割臂保持在基本平行于主体(105)的纵向轴线的位置,同时处于其收起位置并处于展开位置 以及在从其收起的位置部署到其部署的位置。 还描述了用于控制切割臂(110)的展开的控制模块(300)。 控制模块(300)包括马达(310),齿轮机构(315)和可移动元件(320),其在第一位置关闭端口(385),并在第二位置打开端口(385)。 流体流动通过端口(385)进入活塞(170)后面的腔室(340),以在致动活塞(170)之前允许压力建立,从而在切割臂(170)上进行展开机构。
    • 5. 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。
    • 9. 发明授权
    • Underreaming and stabilizing tool and method for its use
    • 推动和稳定工具及其使用方法
    • US07658241B2
    • 2010-02-09
    • US11109350
    • 2005-04-19
    • Jean-Pierre LassoiePhilippe Fanuel
    • Jean-Pierre LassoiePhilippe Fanuel
    • E21B10/32
    • E21B10/322
    • Provided is a drilling tool that includes a tubular body defining a longitudinal axial cavity extending therethrough. The tubular body also defines at least one radial guidance channel extending radially from the axial cavity through the tubular body. A cutter element is disposed in the at least one radial guidance channel and includes an internal surface inclined at an angle to a longitudinal axis of the tubular body. The drilling tool also includes a wedge element having an external surface configured to engage the internal surface of the cutter element and to direct the cutter element from a retracted position to an extended position as the wedge element moves from a first position to a second position.
    • 提供了一种钻具,其包括限定从其延伸穿过的纵向轴向空腔的管状体。 管状体还限定了至少一个径向引导通道,其从轴向空腔径向延伸穿过管状体。 刀片元件设置在至少一个径向引导通道中,并且包括与管状体的纵向轴线成一角度倾斜的内表面。 钻孔工具还包括楔形元件,其具有构造成接合切割元件的内表面的外表面,并且当楔元件从第一位置移动到第二位置时,将切割元件从缩回位置引导到延伸位置。