Patents Assigned to Dynamo Drilling Services Inc.
  • Downhole mud pressure intensifier
    Patent number: 6073708
    Abstract: A mud pressure intensifier works with existing conventional drill strings without requiring special equipment or drilling fluids. The intensifier is self-contained and is located in the drill string between the drill bit and the rest of the string. The rotational power generated by a conventional mud motor is converted into reciprocal action to reciprocate a piston. The piston elevates the pressure of a portion of the mud on both the upstroke and the downstroke before discharging the pressurized mud at the drill bit.
    Type: Grant
    Filed: July 29, 1998
    Date of Patent: June 13, 2000
    Assignee: Dynamo Drilling Services Inc.
    Inventors: John F. Brown, Gary W. Vandergrift