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    • 4. 发明申请
    • STAGE CEMENTING TOOL
    • 舞台演练工具
    • US20100206572A1
    • 2010-08-19
    • US12371374
    • 2009-02-13
    • Gary MakowieckiDon SmithDonald WinslowFrank Acosta
    • Gary MakowieckiDon SmithDonald WinslowFrank Acosta
    • E21B34/14
    • E21B33/146E21B33/16E21B34/14
    • A cementing tool for use in a well has a housing and a closing sleeve received thereabout. An operating sleeve is received in the housing and is interconnected with the closing sleeve so that movement in the operating sleeve will cause the closing sleeve to move. The closing sleeve is detachably connected to the housing and is movable from the first or open position to a second or closed position in which it covers cementing ports defined in the housing. The tool has a plurality of lock rings that are moved with the closing sleeve. A plurality of locking grooves are adapted to receive the lock rings such that the engagement of any of the lock rings with any of the locking grooves will prevent the closing sleeve from moving out of the closed position.
    • 用于井中的固井工具具有容纳在其周围的壳体和封闭套筒。 操作套筒容纳在壳体中并与闭合套筒互连,使得操作套筒中的运动将使闭合套筒移动。 闭合套筒可拆卸地连接到壳体并且可以从第一或打开位置移动到第二或闭合位置,在该位置中,闭合套筒覆盖限定在壳体中的固井口。 该工具具有多个与闭合套筒一起移动的锁定环。 多个锁定槽适于接收锁定环,使得任何锁定环与任何锁定槽的接合将防止闭合套筒移出关闭位置。
    • 7. 发明授权
    • External casing packer and method of performing cementing job
    • 外置封隔器和执行固井作业的方法
    • US08708056B2
    • 2014-04-29
    • US13414140
    • 2012-03-07
    • Lonnie HelmsFrank AcostaNicholas Frederick BudlerJohn Key
    • Lonnie HelmsFrank AcostaNicholas Frederick BudlerJohn Key
    • E21B33/13
    • E21B33/146E21B33/128
    • A packer that includes a mandrel, primary and secondary opening seats attached to an interior of the mandrel, a landing seat attached to the interior of the mandrel, a packer element attached to an exterior of the mandrel, and a closing seat attached to the interior of the mandrel. The secondary opening seat may be between the primary opening seat and the landing seat, and the primary opening seat may be between the closing seat and the secondary opening seat. The primary opening seat engages an opening plug and moves from a first position covering an opening to a second position not covering the opening, and the secondary opening seat engages the primary opening seat and moves from a first position covering a port to a second position not covering the port.
    • 封隔器,包括心轴,连接到心轴的内部的主开口座和辅助开口座,附接到心轴内部的接合座,连接到心轴外部的封隔器元件和附接到内部的闭合座 的心轴。 辅助开启座可以在主开口座和着陆座之间,并且主开口座可以在关闭座和次开口座之间。 主开口座接合开塞,并从覆盖开口的第一位置移动到不覆盖开口的第二位置,次开口座与主开口座接合,并从覆盖端口的第一位置移动到第二位置 覆盖港口。
    • 8. 发明申请
    • Pressure Activated Down Hole Systems and Methods
    • 压力激活井下系统和方法
    • US20140048263A1
    • 2014-02-20
    • US13734035
    • 2013-01-04
    • Frank AcostaNicholas BudlerDavid Szarka
    • Frank AcostaNicholas BudlerDavid Szarka
    • E21B34/14
    • E21B34/14E21B23/04E21B23/06E21B33/1295E21B34/063
    • Systems and methods for activating a down hole tool in a wellbore. A piston is moveable from a first position to a second position for activating the down hole tool. The piston includes a first side exposed to an activation chamber, and a second side operatively coupled to the down hole tool. A rupture member has a first side exposed to the activation chamber and a second side exposed to the interior of a base pipe. The rupture member is configured to rupture when a pressure differential between the activation chamber and the interior reaches a predetermined threshold value, at which point the rupture member allows fluid communication between the interior and the activation chamber to pressurize the activation chamber and move the piston, thereby activating the down hole tool.
    • 在井眼中激活井下工具的系统和方法。 活塞可从第一位置移动到第二位置,以激活井下工具。 活塞包括暴露于活化室的第一侧和可操作地联接到井下工具的第二侧。 破裂构件具有暴露于活化室的第一侧和暴露于基管内部的第二侧。 破裂构件被构造成当活化室和内部之间的压力差达到预定阈值时破裂,此时破裂构件允许内部和活化室之间的流体连通对活化室加压并移动活塞, 从而激活井下工具。