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CIRCULATION PUMP FOR CIRCULATING DOWNHOLE FLUIDS, AND CHARACTERIZATION APPARATUS OF DOWNHOLE FLUIDS

  • US 20090078412A1
  • Filed: 09/20/2007
  • Published: 03/26/2009
  • Est. Priority Date: 09/20/2007
  • Status: Active Grant
First Claim
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1. A fluid pump structured to circulate at least one downhole fluid through a fluid circulating flow line, the fluid pump comprising:

  • (a) a rotatable impeller located in the flow line that does not obstruct a fluid flow in the flow line and which serves to impel the fluid when it is caused to rotate;

    (b) a magnetic coupler located outside the flow line and magnetically coupled to rotate the impeller when it is rotated; and

    (c) a motor drive coupled to the magnetic coupler to rotate the magnetic coupler and thereby, the impeller.

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