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Drainage layers for sand control screen assemblies

  • US 10,450,844 B2
  • Filed: 11/16/2016
  • Issued: 10/22/2019
  • Est. Priority Date: 06/15/2016
  • Status: Active Grant
First Claim
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1. A sand control screen assembly, comprising:

  • a base pipe having openings through a thickness of the base pipe;

    a perforated drainage layer disposed about the base pipe;

    a filter medium positioned about the perforated drainage layer;

    a plurality of continuous ribs disposed between the perforated drainage layer and the filter medium, wherein the plurality of continuous ribs are aligned with respect to each other to form a plurality of first channels therebetween, wherein at least some continuous ribs of the plurality of continuous ribs comprise at least one cutout that traverses a width of the at least some continuous ribs, wherein the at least one cutout forms a second channel that allows for flow communication between adjacent first channels on either side of the at least some continuous ribs; and

    a shroud disposed about the filter medium.

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