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公开(公告)号：US07806184B2
公开(公告)日：2010-10-05
申请号：US12118255
申请日：2008-05-09
申请人： Roger L. Schultz , Ken Michael , Pete Dagenais , Robert L. Pipkin
发明人： Roger L. Schultz , Ken Michael , Pete Dagenais , Robert L. Pipkin
CPC分类号： E21B43/16
摘要： A well tool is operable to receive a flow of fluid. The well tool includes a first hydraulic area on which the fluid acts tending to move a first body to substantially seal against passage of fluid through an aperture. A second, larger hydraulic area is provided on which the fluid acts tending to move a second body. The second body is movable by the fluid acting on the second hydraulic to displace the first body from substantially sealing against passage of fluid through the aperture. An energy storing device is provided that is configured to store energy from movement of the second body until at least a specified amount of energy is stored and release the energy when the second body is moved to displace the first body from substantially sealing against passage of fluid through the aperture.
摘要翻译： 井工具可操作以接收流体流。 井工具包括第一液压区域，流体在其上趋于移动第一主体以基本上密封以防止流体通过孔径。 提供第二个更大的液压区域，流体在其上趋于移动第二主体。 第二主体可以通过作用在第二液压上的流体移动，从而使第一主体基本上被密封抵抗流体通过该孔的通道。 提供了一种能量存储装置，其被配置为存储来自第二主体的运动的能量，直到存储至少一定量的能量并释放能量，当第二主体移动以使第一主体基本上被密封以抵抗流体通过 通过光圈。
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公开(公告)号：US20090277639A1
公开(公告)日：2009-11-12
申请号：US12118255
申请日：2008-05-09
申请人： Roger L. Schultz , Ken Michael , Pete Dagenais , Robert L. Pipkin
发明人： Roger L. Schultz , Ken Michael , Pete Dagenais , Robert L. Pipkin
CPC分类号： E21B43/16
摘要： A well tool is operable to receive a flow of fluid. The well tool includes a first hydraulic area on which the fluid acts tending to move a first body to substantially seal against passage of fluid through an aperture. A second, larger hydraulic area is provided on which the fluid acts tending to move a second body. The second body is movable by the fluid acting on the second hydraulic to displace the first body from substantially sealing against passage of fluid through the aperture. An energy storing device is provided that is configured to store energy from movement of the second body until at least a specified amount of energy is stored and release the energy when the second body is moved to displace the first body from substantially sealing against passage of fluid through the aperture.
摘要翻译： 井工具可操作以接收流体流。 井工具包括第一液压区域，流体在其上趋于移动第一主体以基本上密封以防止流体通过孔径。 提供第二个更大的液压区域，流体在其上趋于移动第二主体。 第二主体可以通过作用在第二液压上的流体移动，从而使第一主体基本上被密封抵抗流体通过该孔的通道。 提供了一种能量存储装置，其被配置为存储来自第二主体的运动的能量，直到存储至少一定量的能量并释放能量，当第二主体移动以使第一主体基本上被密封以抵抗流体通过 通过光圈。
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