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    • 1. 发明授权
    • Self-orienting crossover tool
    • 自取向交叉工具
    • US08695709B2
    • 2014-04-15
    • US12862833
    • 2010-08-25
    • Patrick J. ZimmermanJohn BroussardChristopher Hall
    • Patrick J. ZimmermanJohn BroussardChristopher Hall
    • E21B34/00
    • E21B43/045E21B2034/007
    • A crossover tool has an internal sleeve rotatably positioned within an external sleeve, and each of the sleeves has ports alignable with ports on the other sleeve. After deploying the crossover tool downhole and diverting fluid flow below the tool, fluid flow communicated into the internal sleeve tends to rotate it relative to the external sleeve until the ports are substantially aligned so that wear to the components is substantially reduced. The ports themselves may facilitate the rotation and alignment. For example, ports on the internal sleeve may produce tangentially exiting fluid flow. Alternatively, an additional outlet may be defined in the internal sleeve and eccentrically located to its rotation axis. Furthermore, an internal sleeve or insert may partially block fluid flow through the ports to allow greater fluid flow through the additional outlet to enhance rotation of the internal sleeve.
    • 交叉工具具有可旋转地定位在外部套筒内的内部套筒,并且每个套筒具有可与另一套筒上的端口对准的端口。 在井下布置交叉工具并将流体流动转移到工具下方之前,流入内部套筒的流体流动趋向于相对于外部套筒旋转,直到端口基本对准,使得部件的磨损显着降低。 端口本身可以促进旋转和对准。 例如,内部套筒上的端口可产生切向离开的流体流。 或者,可以在内部套筒中限定附加的出口,并且偏心地位于其旋转轴线上。 此外,内部套筒或插入件可以部分地阻塞流过端口的流体流动,以允许更大的流体流过附加出口以增强内部套筒的旋转。
    • 2. 发明申请
    • Self-Orienting Crossover Tool
    • 自定义交叉工具
    • US20120048562A1
    • 2012-03-01
    • US12862833
    • 2010-08-25
    • Patrick J. ZimmermanChristopher HallJohn Broussard
    • Patrick J. ZimmermanChristopher HallJohn Broussard
    • E21B34/06
    • E21B43/045E21B2034/007
    • A crossover tool has an internal sleeve rotatably positioned within an external sleeve, and each of the sleeves has ports alignable with ports on the other sleeve. After deploying the crossover tool downhole and diverting fluid flow below the tool, fluid flow communicated into the internal sleeve tends to rotate it relative to the external sleeve until the ports are substantially aligned so that wear to the components is substantially reduced. The ports themselves may facilitate the rotation and alignment. For example, ports on the internal sleeve may produce tangentially exiting fluid flow. Alternatively, an additional outlet may be defined in the internal sleeve and eccentrically located to its rotation axis. Furthermore, an internal sleeve or insert may partially block fluid flow through the ports to allow greater fluid flow through the additional outlet to enhance rotation of the internal sleeve.
    • 交叉工具具有可旋转地定位在外部套筒内的内部套筒,并且每个套筒具有可与另一套筒上的端口对准的端口。 在井下布置交叉工具并将流体流动转移到工具下方之前,流入内部套筒的流体流动趋向于相对于外部套筒旋转,直到端口基本对准,使得部件的磨损显着降低。 端口本身可以促进旋转和对准。 例如,内部套筒上的端口可产生切向离开的流体流。 或者,可以在内部套筒中限定附加的出口,并且偏心地位于其旋转轴线上。 此外,内部套筒或插入件可以部分地阻塞流过端口的流体流动,以允许更大的流体流过附加出口以增强内部套筒的旋转。