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Sand removal and device retrieval tool

  • US 6,427,776 B1
  • Filed: 03/27/2000
  • Issued: 08/06/2002
  • Est. Priority Date: 03/27/2000
  • Status: Expired due to Term
First Claim
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1. A tool for removing debris from a well, comprising:

  • an upper tubular portion defining a pathway for the downward flow of power fluid from a pipe thereabove;

    a restriction portion for increasing the velocity of the power fluid and a return fluid and creating an area of low pressure therearound, the restriction portion includes a nozzle portion, a throat portion, and a diffuser portion as a single unit;

    a diverter portion for directing the high velocity power fluid and return fluid;

    a debris storage container to retain debris urged therein due to a suction created thereabove;

    a retaining member at a lower end of the container to prevent debris from falling out of the container; and

    a filter member disposed between the retaining member and the restriction portion.

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