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    • 1. 发明申请
    • DOWNHOLE SHUT OFF ASSEMBLY FOR ARTIFICIALLY LIFTED WELLS
    • 卧室关闭组装人造的井
    • WO2009155243A2
    • 2009-12-23
    • PCT/US2009/047375
    • 2009-06-15
    • BAKER HUGHES INCORPORATEDBUSSEAR, Terry, R.HUBER, Kirk, J.
    • BUSSEAR, Terry, R.HUBER, Kirk, J.
    • E21B43/119E21B23/00
    • E21B34/14E21B43/128
    • A multi-string well has an electric submersible pump (ESP) that can be removed without killing the well. A slotted liner is sealingly secured externally to casing and internally to a guide string that remains in the wellbore when the ESP is removed. A ported sub is part of the guide string and a concentric screen that can have instruments that moves relatively to the guide string can selectively allow flow in an annulus between them and to the ported sub or that annulus between the guide and concentric strings can be blocked off by manipulation of the concentric string to close the ported sub. With the lower portion of the well now blocked off, the wellhead can be removed so that the ESP can come out with the production string. The device has particular application to steam assisted gravity drainage (SAGD) systems as well as other downhole applications.
    • 多串井具有可以在不杀死井的情况下被移除的电潜泵(ESP)。 一个开槽衬套密封地固定在套管的外部,并在内部被固定到当ESP被移除时留在井眼中的导向柱。 移动的子是引导弦的一部分,并且可以具有相对于引导弦线移动的乐器的同心屏幕可以选择性地允许在它们之间的环形空间和移动的子空间中流动,或者可以阻止导向和同心弦线之间的环形空间 通过操纵同心弦来关闭移动子。 当井的下部被堵住时,可以拆下井口,以便ESP能够与生产线一起出来。 该设备特别适用于蒸汽辅助重力排水(SAGD)系统以及其他井下应用。
    • 7. 发明申请
    • DOWNHOLE SHUT OFF ASSEMBLY FOR ARTIFICIALLY LIFTED WELLS
    • 卧室关闭组装人造的井
    • WO2009155243A3
    • 2010-03-25
    • PCT/US2009047375
    • 2009-06-15
    • BAKER HUGHES INCBUSSEAR TERRY RHUBER KIRK J
    • BUSSEAR TERRY RHUBER KIRK J
    • E21B43/119E21B23/00
    • E21B34/14E21B43/128
    • A multi-string well has an electric submersible pump (ESP) that can be removed without killing the well. A slotted liner is sealingly secured externally to casing and internally to a guide string that remains in the wellbore when the ESP is removed. A ported sub is part of the guide string and a concentric screen that can have instruments that moves relatively to the guide string can selectively allow flow in an annulus between them and to the ported sub or that annulus between the guide and concentric strings can be blocked off by manipulation of the concentric string to close the ported sub. With the lower portion of the well now blocked off, the wellhead can be removed so that the ESP can come out with the production string. The device has particular application to steam assisted gravity drainage (SAGD) systems as well as other downhole applications.
    • 多串井具有可以在不杀死井的情况下被移除的电潜泵(ESP)。 一个开槽衬套密封地固定在套管的外部,并在内部被固定到当ESP被移除时留在井眼中的导向柱。 移动的子是引导弦的一部分,并且可以具有相对于引导弦线移动的乐器的同心屏幕可以选择性地允许在它们之间的环形空间和移动的子空间中流动,或者可以阻止导向和同心弦线之间的环形空间 通过操纵同心弦来关闭移动子。 当井的下部被堵住时,可以拆下井口,以便ESP能够与生产线一起出来。 该设备特别适用于蒸汽辅助重力排水(SAGD)系统以及其他井下应用。