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1. 发明申请

US20140110171A1 DOWNHOLE TOOL AND CONTROL MODULE 有权
标题翻译：卧式工具和控制模块
公开(公告)号：US20140110171A1
公开(公告)日：2014-04-24
申请号：US14112229
申请日：2012-10-22
申请人： Jean-Pierre Lassoie , John Ransford Hardin
发明人： Jean-Pierre Lassoie , John Ransford Hardin
IPC分类号： E21B44/00 , E21B10/32
CPC分类号： E21B44/00 , E21B10/32 , E21B10/322
摘要： 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).
摘要翻译：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。

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