Arrangement of test plug

Details Arrangement of test plug Arrangement of test plug

2004-02-16

2009-12-01

Bagnell, David J (Department: 3676)

Wells

Packers or plugs

Flow stopping type; e.g., plug

C166S203000, C166S250080, C166S386000

Reexamination Certificate

active

07624796

ABSTRACT:
An arrangement is described of a plug with a sealing system for pressure testing of bore holes and the like in a formation or the like, comprising a pipe in which the plug is fitted in a plug-carrying chamber, and the plug closes the passage through the pipe in cooperation with sealing bodies, as the plug is arranged (rests) in a seat in the chamber. The arrangement is characterised in that the sealing bodies (23,25) are arranged in connection with the inner wall of the pipe (10) above (upstream) and/or below (downstream) of the chamber (30), and are arranged to form a seal against the respective cylindrical extensions (44,46) of the plug body (45) above and/or below the chamber.

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patent: WO 01/77484 (2001-10-01), None
International Search Report for International Appl. No. PCT/NO2004/000045, Feb. 16, 2004, TC Plug Technology As et al., 3 pages.
International Preliminary Report on Patentability for International Appl. No. PCT/NO2004/000045, providing the Written Opinion of the International Search Authority, International Search Authority, Stockholm, Sweden, mailed on Jun. 21, 2004, 5 pages.

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