Device for plug removal

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8322448
APP PUB NO 20110000663A1
SERIAL NO

12735934

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A device is described for removal of a plug which is used in a well, a pipe, or the like for carrying out tests, and it is characterized by an element which, with an applied forced, is arranged to penetrate into the plug material so that this is crushed, said element is arranged to be supplied said force from an above lying element. The element (16) is preferably a ring (1) the lower end of which is arranged to be forced in a radial direction into the plug element at axial driving of a hydraulic pressure piston. Furthermore, the element is integrated into the plug.

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Patent Owner(s)

Patent OwnerAddress
TCO ASSTORANESET 20 INDRE ARNA 5260

International Classification(s)

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  • 2009 Application Filing Year
  • E21B Class
  • 2047 Applications Filed
  • 1662 Patents Issued To-Date
  • 81.20 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20092010201120122013201420152016201720182019202020210255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brandsdal, Viggo Ytre Arna, NO 28 178

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Patent Citation Ranking

  • 13 Citation Count
  • E21B Class
  • 49.22 % this patent is cited more than
  • 13 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges23355165673519241461583701 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +0100200300255075125150175225250275325350375

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