Patents Assigned to New Pro Technology, Inc.
  • Down the hole reverse up flow jet pump
    Patent number: 4603735
    Abstract: A reverse up flow jet pump used in an oil and gas pumping system having a positive displacement pump on the surface supplying water flow under pressure to the jet pump down the hole. The jet pump is used in a system drawing a vacuum reducing if not eliminating the effect of head pressure within the well resulting in freer fluid flow from the formation pay zone to thereby reduce costs and increase production.
    Type: Grant
    Filed: October 17, 1984
    Date of Patent: August 5, 1986
    Assignee: New Pro Technology, Inc.
    Inventor: John B. Black