Method and apparatus to selectively reduce wellbore pressure...

Details Method and apparatus to selectively reduce wellbore pressure... Method and apparatus to selectively reduce wellbore pressure...

E - Fixed Constructions

21

B

E21B 34/06 (2006.01) E21B 33/00 (2006.01) E21B 34/08 (2006.01) E21B 34/10 (2006.01) E21B 43/04 (2006.01) E21B 43/12 (2006.01) E21B 43/38 (2006.01)

Patent

CA 2493210

The present invention provides for a tool having diverter valves to reduce the pressure in a wellbore caused by frictional resistance to fluid flow as the beta wave of a gravel pack operation makes its way up the wellbore.

La présente invention concerne un outil muni de vannes d'aiguillage pour réduire la pression dans un puits résultant de la résistance de friction à l'écoulement d'un fluide, alors que l'onde bêta d'une opération de compactage de gravier monte dans le puits.

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