Valve for use in wells

Details Valve for use in wells Valve for use in wells

E - Fixed Constructions

21

B

E21B 34/10 (2006.01) E21B 23/00 (2006.01) E21B 43/12 (2006.01)

Patent

CA 2385543

A valve assembly (30) to control the intake of fluid. The valveassembly has a valve body and a valve choke (80) disposed therein. The valve choke has a choke bore (84) through the interior of the valve choke. The valve choke has a plurality of orifices (86) to the choke bore spaced at intervals along the valve choke. A seal is disposed between the valve body and valve choke. The valve system is operable to position the valve choke so that the seal (90) is positioned between the valve body and the valve choke at the intervals between the plurality of orifices.

L'invention concerne un ensemble soupape (30) destiné à réguler l'admission de fluide. Cet ensemble soupape comprend un corps de soupape dans lequel on a monté une duse (80). Cette duse comprend un alésage (84) sur tout son intérieur, ainsi que plusieurs orifices (86) ménagés dans l'alésage et espacés par des intervalles, le long de la duse. On a monté un joint entre le corps de la soupape et la duse. Ce système de soupape peut fonctionner pour placer la duse de manière que le joint (90) se situe entre le corps de la soupape et la duse, au niveau des intervalles entre orifices.

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