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    • 6. 发明申请
    • Downhole tool
    • 井下工具
    • US20120318497A1
    • 2012-12-20
    • US13594220
    • 2012-08-24
    • Erik DithmarPhilippe R. FanuelStein Eric MoiLuis Quintana
    • Erik DithmarPhilippe R. FanuelStein Eric MoiLuis Quintana
    • E21B34/14
    • E21B23/04E21B10/322
    • A downhole tool may include a generally hollow piston having a trigger element extending therefrom, the piston configured to slide along an axial cavity extending through a tubular body of the tool. The trigger element may move from a first position where the trigger engages a support on the body and the piston is fixed, to a second position where the trigger disengages and the piston is released. The tool may also include a generally tubular relief sleeve releasably coupled with the piston using a shear pin, while the trigger element is in the first position, and disposed between the trigger and an extension of the piston, to allow the sleeve to slide between the trigger and the extension after shearing of the pin. The piston, sleeve and pin may be configured to allow the sleeve to release from the piston in response to the shearing of the pin.
    • 井下工具可以包括具有从其延伸的触发元件的大致中空的活塞,所述活塞构造成沿着延伸穿过所述工具的管状体的轴向空腔滑动。 触发元件可以从触发器接合主体上的支撑件并且活塞固定的第一位置移动到触发器脱离并且活塞被释放的第二位置。 该工具还可以包括一个大体上管状的卸压套管,当触发器元件处于第一位置时,使用剪切销可释放地与活塞联接,并且设置在触发器和活塞的延伸部之间,以允许套筒在活塞 触发和剪切后的延伸。 活塞,套筒和销可以构造成允许套筒响应于销的剪切而从活塞释放。
    • 7. 发明授权
    • Device for actuating a bottom tool
    • 用于启动底部工具的装置
    • US08251161B2
    • 2012-08-28
    • US11995495
    • 2007-01-11
    • Erik DithmarPhilippe R FanuelStein Eric MoiLuis Quintana
    • Erik DithmarPhilippe R FanuelStein Eric MoiLuis Quintana
    • E21B10/32
    • E21B23/04E21B10/322
    • A downhole tool may include a generally hollow piston having a trigger element extending therefrom, the piston configured to slide along an axial cavity extending through a tubular body of the tool. The trigger element may move from a first position where the trigger engages a support on the body and the piston is fixed, to a second position where the trigger disengages and the piston is released. The tool may also include a generally tubular relief sleeve releasably coupled with the piston using a shear pin, while the trigger element is in the first position, and disposed between the trigger and an extension of the piston, to allow the sleeve to slide between the trigger and the extension after shearing of the pin. The piston, sleeve and pin may be configured to allow the sleeve to release from the piston in response to the shearing of the pin.
    • 井下工具可以包括具有从其延伸的触发元件的大致中空的活塞,所述活塞构造成沿着延伸穿过所述工具的管状体的轴向空腔滑动。 触发元件可以从触发器接合主体上的支撑件并且活塞固定的第一位置移动到触发器脱离并且活塞被释放的第二位置。 该工具还可以包括一个大体上管状的卸压套管,当触发器元件处于第一位置时,使用剪切销可释放地与活塞联接,并且设置在触发器和活塞的延伸部之间,以允许套筒在活塞 触发和剪切后的延伸。 活塞,套筒和销可以构造成允许套筒响应于销的剪切而从活塞释放。
    • 8. 发明授权
    • Device for actuating a bottom tool
    • 用于启动底部工具的装置
    • US08936112B2
    • 2015-01-20
    • US13594220
    • 2012-08-24
    • Erik DithmarPhilippe R FanuelStein Eric MoiLuis Quintana
    • Erik DithmarPhilippe R FanuelStein Eric MoiLuis Quintana
    • E21B10/32E21B23/04
    • E21B23/04E21B10/322
    • A downhole tool may include a generally hollow piston having a trigger element extending therefrom, the piston configured to slide along an axial cavity extending through a tubular body of the tool. The trigger element may move from a first position where the trigger engages a support on the body and the piston is fixed, to a second position where the trigger disengages and the piston is released. The tool may also include a generally tubular relief sleeve releasably coupled with the piston using a shear pin, while the trigger element is in the first position, and disposed between the trigger and an extension of the piston, to allow the sleeve to slide between the trigger and the extension after shearing of the pin. The piston, sleeve and pin may be configured to allow the sleeve to release from the piston in response to the shearing of the pin.
    • 井下工具可以包括具有从其延伸的触发元件的大致中空的活塞,所述活塞构造成沿着延伸穿过所述工具的管状体的轴向空腔滑动。 触发元件可以从触发器接合主体上的支撑件并且活塞固定的第一位置移动到触发器脱离并且活塞被释放的第二位置。 该工具还可以包括一个大体上管状的卸压套管,当触发器元件处于第一位置时,使用剪切销可释放地与活塞联接,并且设置在触发器和活塞的延伸部之间,以允许套筒在活塞 触发和剪切后的延伸。 活塞,套筒和销可以构造成允许套筒响应于销的剪切而从活塞释放。
    • 9. 发明申请
    • Device or Actuating a Bottom Tool
    • 设备或启动底部工具
    • US20100126715A1
    • 2010-05-27
    • US11995495
    • 2007-01-11
    • Erik DithmarPhilippe R. FanuelStein Eric MoiLuis Quintana
    • Erik DithmarPhilippe R. FanuelStein Eric MoiLuis Quintana
    • E21B23/00
    • E21B23/04E21B10/322
    • The invention relates to a bottom tool comprising a tubular body (1) with an axial chamber, a hollow piston (8) capable of sliding in said axial chamber, and an actuation device including a trigger member (14) connected to the hollow piston and capable of displacement from a hollow-piston immobilisation position to a withdrawal position in which it releases the hollow piston, a detent tubular sleeve (16) of the trigger member connected to the hollow piston by at least one shearing pin (17), and means for temporarily blocking the detent tubular sleeve that generates a hydraulic pressure rise on the tubular sleeve with a shearing of said at least one shearing pin and the sliding of the detent tubular sleeve in a release position in which the trigger member is capable of displacement into its withdrawal position.
    • 本发明涉及一种底部工具,其包括具有轴向室的管状体(1),能够在所述轴向室中滑动的中空活塞(8)和包括连接到中空活塞的触发构件(14)的致动装置, 能够从中空活塞固定位置移动到其中释放中空活塞的撤回位置;触发器件的棘爪管状套筒(16),其通过至少一个剪切销(17)连接到中空活塞;以及装置 用于暂时阻塞所述棘爪管状套筒,其通过所述至少一个剪切销的剪切和所述棘爪管状套筒在释放位置中的滑动而在所述管状套筒上产生液压上升,在所述释放位置中所述触发器构件能够移动到其中 提款地位。