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Dual feed centrifuge

  • US 8,961,381 B2
  • Filed: 06/05/2009
  • Issued: 02/24/2015
  • Est. Priority Date: 06/06/2008
  • Status: Active Grant
First Claim
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1. A dual feed centrifuge system for separating solids from fluids in a drilling mud, the centrifuge system comprising:

  • a bowl having a bowl section and a conical section;

    a screw conveyor rotatably mounted within the bowl;

    a first feed pipe mounted within the screw conveyor for feeding a drilling mud through a first feed port in a wall of the screw conveyor to a first annular space between the bowl and the wall of the screw conveyor, wherein the first feed port is located approximately midway axially along the conical section; and

    a second feed pipe mounted within the screw conveyor for feeding a drilling mud through a second feed port in the wall of the screw conveyor to a second annular space between the bowl and the wall of the screw conveyor, wherein the second feed port is located approximately midway axially along the bowl section.

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