Method of reducing sand production from a wellbore

Details Method of reducing sand production from a wellbore Method of reducing sand production from a wellbore

E - Fixed Constructions

21

B

E21B 43/02 (2006.01) E21B 7/00 (2006.01) E21B 7/28 (2006.01) E21B 43/119 (2006.01) E21B 43/26 (2006.01)

Patent

CA 2545354

A method is provided for the reduction of inflow of rock particles from an earth formation into a wellbore for the production of hydrocarbon fluid. The method comprises creating a zone of reduced compressive stiffness around the wellbore by removing rock material from the wall of the wellbore.

La présente invention concerne un procédé permettant de réduire l'afflux de particules de roches provenant d'une formation souterraine dans un puits de forage destiné à la production de fluide hydrocarbure. Le procédé décrit dans cette invention consiste à créer une zone de rigidité à la compression réduite autour du puits de forage par élimination des matières rocheuses de la paroi du puits de forage.

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