Method and apparatus for cooling flasked instrument assemblies

Details Method and apparatus for cooling flasked instrument assemblies Method and apparatus for cooling flasked instrument assemblies

E - Fixed Constructions

21

B

E21B 47/01 (2006.01)

Patent

CA 2587973

Method and apparatus are provided to accelerate the cooling of thermally sensitive components in a chamber of a downhole instrument assembly. In accordance with the invention, a passage (18) is formed in the chamber (12) and a fluid is conveyed through the passage to cool the components (16) to the desired temperature. By using the method and apparatus of the present invention the amount of time to cool the components is dramatically less than the time required for cooling using conventional techniques.

L~invention concerne un procédé et un appareil permettant d~accélérer le refroidissement de composants thermosensibles dans une enceinte d~un ensemble d~instruments en fond de trou. Conformément à l~invention, un passage (18) est formé dans l~enceinte (12) et un fluide est acheminé à travers le passage pour refroidir les composants (16) jusqu~à la température souhaitée. Le procédé et l~appareil de l~invention permettent de réduire sensiblement le temps nécessaire au refroidissement des composants par rapport aux techniques de refroidissement classiques.

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