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Focused sampling of formation fluids

  • US 8,322,416 B2
  • Filed: 06/18/2009
  • Issued: 12/04/2012
  • Est. Priority Date: 06/18/2009
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • an expandable packer configured to be disposed in the wellbore on a conveyance and expandable to fluidly isolate sections of a wellbore;

    an upper cleanup port configured to receive formation fluid into the apparatus;

    a lower cleanup port configured to receive formation fluid into the apparatus;

    a sampling inlet positioned between the upper cleanup port and the lower cleanup port and configured to receive formation fluid into the apparatus, wherein at least one of the upper cleanup port, the lower cleanup port and the sampling inlet is formed within a body of the expandable packer and further wherein a portion of the expandable packer fluidly separates either the upper cleanup port from the sampling inlet or the lower cleanup port from the sampling inlet.

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