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    • 5. 发明申请
    • Shape Memory Cement Annulus Gas Migration Prevention Apparatus
    • 形状记忆水泥环形气体迁移预防装置
    • US20120000648A1
    • 2012-01-05
    • US12830039
    • 2010-07-02
    • Thomas MathewMichael H. JohnsonSteve Rosenblatt
    • Thomas MathewMichael H. JohnsonSteve Rosenblatt
    • E21B33/13
    • E21B33/1208
    • The annular space around a tubular string has a shape memory material that is in a low profile configuration for run in. After the desired position is obtained and the annulus has cement delivered to fill the annular space, the shape memory device is triggered to revert to an original shape that spans the annulus to seal the tubular and the wellbore sides of the annular space against gas migration through the cement. The structures can have varying run in shapes and can also have original shapes that when the material is triggered will act to displace cement to enhance its compaction on the tubular or the wellbore wall. Combinations of shape memory alloys and polymers are also contemplated to enhance the seal against gas migration.
    • 管状柱体周围的环形空间具有形状记忆材料,该形状记忆材料处于低轮廓构型以便进入。在获得所需位置并且环形空间具有输送水泥以填充环形空间之后,形状记忆装置被触发以恢复到 原始形状跨越环形空间,以密封环形空间的管状和井眼侧,防止通过水泥的气体迁移。 结构可以具有变化的形状并且还可以具有原始形状,当材料被触发时,其将用于移动水泥以增强其在管状或井筒壁上的压实。 还考虑了形状记忆合金和聚合物的组合以增强对气体迁移的密封。
    • 6. 发明授权
    • Shape memory cement annulus gas migration prevention apparatus
    • 形状记忆水泥环空气体迁移预防装置
    • US08800649B2
    • 2014-08-12
    • US12830039
    • 2010-07-02
    • Thomas MathewMichael H. JohnsonSteve Rosenblatt
    • Thomas MathewMichael H. JohnsonSteve Rosenblatt
    • E21B33/12E21B33/13
    • E21B33/1208
    • The annular space around a tubular string has a shape memory material that is in a low profile configuration for run in. After the desired position is obtained and the annulus has cement delivered to fill the annular space, the shape memory device is triggered to revert to an original shape that spans the annulus to seal the tubular and the wellbore sides of the annular space against gas migration through the cement. The structures can have varying run in shapes and can also have original shapes that when the material is triggered will act to displace cement to enhance its compaction on the tubular or the wellbore wall. Combinations of shape memory alloys and polymers are also contemplated to enhance the seal against gas migration.
    • 管状柱体周围的环形空间具有形状记忆材料,该形状记忆材料处于低轮廓构型以便进入。在获得所需位置并且环形空间具有输送水泥以填充环形空间之后,形状记忆装置被触发以恢复到 原始形状跨越环形空间,以密封环形空间的管状和井眼侧,防止通过水泥的气体迁移。 结构可以具有变化的形状并且还可以具有原始形状,当材料被触发时,其将用于移动水泥以增强其在管状或井筒壁上的压实。 还考虑了形状记忆合金和聚合物的组合以增强对气体迁移的密封。
    • 9. 发明授权
    • Completion method for fracturing and gravel packing
    • 压裂和砾石填充的完井方法
    • US07591312B2
    • 2009-09-22
    • US11757885
    • 2007-06-04
    • Michael H. JohnsonDouglas J. MurrayBennett M. Richard
    • Michael H. JohnsonDouglas J. MurrayBennett M. Richard
    • E21B43/04E21B43/26
    • 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屏蔽流动。 在另一个实施例中,砾石填充和断裂的间隔在底部孔组件例如内衬上具有一系列筛网和选择性打开的阀。 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。
    • 10. 发明申请
    • Completion Method for Fracturing and Gravel Packing
    • 压裂砾石包装的完井方法
    • US20080296019A1
    • 2008-12-04
    • US11757885
    • 2007-06-04
    • Michael H. JohnsonDouglas J. MurrayBennett M. Richard
    • Michael H. JohnsonDouglas J. MurrayBennett M. Richard
    • E21B43/04
    • 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屏蔽流动。 在另一个实施例中,砾石填充和断裂的间隔在底部孔组件例如内衬上具有一系列筛网和选择性打开的阀。 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。