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    • 6. 发明授权
    • Multi-zone fracturing completion
    • 多区域压裂完成
    • US08695716B2
    • 2014-04-15
    • US12971932
    • 2010-12-17
    • John Edward Ravensbergen
    • John Edward Ravensbergen
    • E21B23/00E21B34/00
    • E21B34/102E21B21/103E21B23/02E21B31/007E21B33/138E21B43/162E21B43/26E21B2034/007
    • A ported housing that may be connected along a casing string and the method for use of the ported housing in fracturing and/or treating multiple zones in a well. A sleeve is connected to the ported housing and may be moved between an initial position that prevents fluid flow through the ports of the housing and second position that permits fluid flow through the ports. A bottom hole assembly may be connected to the sleeve by an anchor. A packer element may create a seal between the bottom hole assembly and the sleeve permitting a pressure differential across the packer element to move bottom hole assembly down the casing moving the sleeve to the second position. In the second position, the formation adjacent to the ported housing may be stimulated and/or treated.
    • 可以沿着套管串连接的端口壳体以及用于在孔中压裂和/或处理多个区域中的移动壳体的方法。 套筒连接到移动的外壳,并且可以在防止流体流过壳体的端口的初始位置和允许流体流过端口的第二位置之间移动。 底孔组件可以通过锚固件与套筒连接。 封隔器元件可以在底孔组件和套筒之间形成密封,允许跨越封隔器元件的压力差以将底部孔组件向下移动以使套筒移动到第二位置。 在第二位置,可以刺激和/或处理邻近移动壳体的形成。
    • 9. 发明公开
    • Method for removing and/or replacing an underground conduit
    • Verfahren zum Beseitigen und / oder Ersetzen einer unterirdischen Rohrleitung
    • EP1092901A2
    • 2001-04-18
    • EP00309017.2
    • 2000-10-13
    • M.P. Burke plc
    • Bircumshaw, Peter Stanley
    • F16L1/028
    • E21B7/30E21B23/00E21B31/007
    • There is disclosed a method and apparatus for removal and for replacement of pipes such as underground pipes, and particularly, though not exclusively a method and apparatus for removal of lead water supply pipe and, if required, its replacement with a plastics water supply pipe.
      The invention provides a method of economically removing buried lead pipe from the ground and, if required, for subsequent installation of a plastics pipe more economically than has previously been known.
      Accordingly the present invention provides a method of removing a buried pipe (15) from the ground (10) comprising:

      (i) injecting a curable resin (15) into the pipe (15) so as to at least partly fill the pipe (15) with resin;
      (ii) allowing or causing the resin (15) to cure; and
      (iii) applying a tensile load to one end of the resin (15)/pipe (5) composite whereby the resin (15)/pipe (5) composite is pulled from the ground (10) in a generally axial direction.
    • 公开了用于移除和替换诸如地下管道的管道的方法和装置,特别地,尽管不仅仅是用于去除铅水供应管的方法和装置,并且如果需要,用塑料供水管替代。 本发明提供了一种从地面上经济地去除埋地引线管的方法,如果需要,可以比以前已知的更经济地安装塑料管。 因此,本发明提供了一种从地面(10)移除埋管(15)的方法,包括:(i)将可固化树脂(15)注入管(15)中,以至少部分地填充管(15) )与树脂; (ii)允许或使树脂(15)固化; 并且(iii)对树脂(15)/管(5)复合物的一端施加拉伸载荷,由此树脂(15)/管(5)复合材料在大致轴向方向从地面10被拉出。