Downhole apparatus and method

  • US 9,441,435 B2
  • Filed: 12/20/2011
  • Issued: 09/13/2016
  • Est. Priority Date: 12/21/2010
  • Status: Active Grant
First Claim
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1. A downhole apparatus comprising:

  • a body configured to be coupled to a production tubular and comprising an upper opening and a lower opening;

    a first flow path between the upper opening and the lower opening in the body;

    a second flow path between the upper opening and the lower opening in the body;

    a flow diverter arranged to direct downward flow through the body towards the second flow path and away from the first flow path; and

    a device in the second flow path for filtering or collecting solid particles from the second flow path,wherein the first flow path and the second flow path are in fluid communication with one another;

    and wherein fluid flowing in the first flow path in an upward direction causes fluid flow in the second flow path which carries filtered or collected solid particles away from the device.

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