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    • 9. 发明申请
    • Method and apparatus for jet-fluid abrasive cutting
    • 喷射流体研磨切割的方法和装置
    • US20070175636A1
    • 2007-08-02
    • US10592560
    • 2005-11-14
    • Wesley McAfee
    • Wesley McAfee
    • E21B43/11
    • E21B43/114E21B7/18E21B29/06
    • A method and apparatus for down hole abrasive jet-fluid cutting, the apparatus includes a jet-fluid nozzle and a high pressure pump capable of delivering a high-pressure abrasive fluid mixture to the jet-fluid nozzle, an abrasive fluid mixing unit capable of maintaining and providing a coherent abrasive fluid mixture, a tube to deliver the high pressure coherent abrasive mixture down hole to the jet-fluid nozzle, a jetting shoe adapted to receive the jet-fluid nozzle and directing abrasive jet-fluid mixture towards a work piece, a jetting shoe controlling unit that manipulates the jetting shoe along a vertical and horizontal axis and a central processing unit having a memory unit capable of storing profile generation data for cutting a predefined shape or window profile in the work piece and coordinating the operation of various subsystems.
    • 一种用于井下磨料喷射流体切割的方法和装置,该装置包括喷射流体喷嘴和能够将高压磨料流体混合物输送到喷射流体喷嘴的高压泵,能够 保持和提供一致的磨料流体混合物,将高压相干磨料混合物井下输送到射流流体喷嘴的管,适于接纳喷射流体喷嘴并将磨料喷射流体混合物引向工件的喷射靴 ,一个沿垂直和水平轴线操纵喷射鞋的喷射靴控制单元和一个具有存储单元的中央处理单元,该存储单元能够存储用于在工件中切割预定义的形状或窗口轮廓的轮廓产生数据,并协调各种 子系统。