Apparatus for retrieving metal objects from a wellbore

  • US 6,354,386 B1
  • Filed: 06/22/2000
  • Issued: 03/12/2002
  • Est. Priority Date: 10/21/1999
  • Status: Expired due to Term
First Claim
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1. An apparatus for retrieving metal objects from a wellbore, comprising:

  • a cylindrical tool body with a central opening therethrough;

    a plurality of magnet assemblies spaced longitudinally along the length of the tool body and covering a majority of surface area of said tool body, each of said magnet assemblies comprising a plurality of elongated magnet members spaced equidistantly from each other about the circumference of said tool body, each of said magnet members being provided with a magnet protector that extends outwardly from an exterior of said tool body to a distance greater than a corresponding magnet member to protect the corresponding magnet member from striking force of metal particles being attracted by the magnet member, while retaining a distance between the magnet protector and an adjacent magnet member.

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