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US4335786A Oil well pumping string tubular extension for increasing oil to salt water ratio 失效
油井泵送管柱延长，以提高油与盐水的比例

  • Patent Title: Oil well pumping string tubular extension for increasing oil to salt water ratio
  • Patent Title (中): 油井泵送管柱延长，以提高油与盐水的比例
  • Application No.: US889788
    Application Date: 1978-03-23
  • Publication No.: US4335786A
    Publication Date: 1982-06-22
  • Inventor: A. Glen Smith
  • Applicant: A. Glen Smith
  • Assignee: Smith A Glen
  • Current Assignee: Smith A Glen
  • Main IPC: E21B43/12
  • IPC: E21B43/12 ;  E21B43/18
Oil well pumping string tubular extension for increasing oil to salt water ratio
Abstract:
A Venturi type tube is coaxially connected with the depending end of an oil well pumping string for installation in a producing oil well for increasing the ratio of oil to salt water obtained from the well.
Abstract(Chinese):

文丘里型管与油井泵送柱的悬垂端同轴连接，用于安装在生产油井中，以增加从井获得的油与盐水的比例。

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