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    • 4. 发明申请
    • COMPLETION METHOD FOR FRACTURING AND GRAVEL PACKING
    • 破碎和砂浆包装的完成方法
    • WO2008151052A2
    • 2008-12-11
    • PCT/US2008/065371
    • 2008-05-30
    • BAKER HUGHES INCORPORATEDJOHNSON, Michael H.MURRAY, Douglas J.BENNETT, Richard
    • JOHNSON, Michael H.MURRAY, Douglas J.BENNETT, Richard
    • E21B43/267E21B43/04
    • E21B43/261E21B33/124E21B43/04E21B43/08E21B43/14E21B2034/007
    • In one embodiment telescoping members are extended to bridge an annular gap either before or after it is cemented. Some of the telescoping members have screens and others have flow passages that can be selectively opened with associated valves to frac an interval in any order desired. The valves are then closed after the frac job and the other telescoping members are made to allow screened flow from the fractured formation. In another embodiment an interval to be gravel packed and fractured has a series of screens and selectively opened valves on a bottom hole assembly such as a liner. One or more external packers are provided. The entire interval is gravel packed at one time followed by packer actuation and then selective opening of ports to conduct a fracture operation in any of the zones defined by the set packers and in any desired order.
    • 在一个实施例中,伸缩构件被延伸以在其被胶合之前或之后桥接环形间隙。 一些伸缩构件具有筛网,并且其它的具有流动通道,该通道可以选择性地打开具有相关联的阀,以按需要的任何顺序压裂间隔。 然后在压裂作业之后关闭阀门,并且制造其它伸缩构件以允许来自断裂地层的筛选流动。 在另一个实施例中,砾石填充和断裂的间隔具有一系列筛网,并且在诸如衬管的底部孔组件上选择性地打开阀门。 提供一个或多个外部封隔器。 整个间隔是一次砾石填充,随后是封隔器致动,然后选择性地打开端口,以在由封隔器限定的任何区域内以任何期望的顺序进行断裂操作。