Method for accelerating production

Details Method for accelerating production Method for accelerating production

E - Fixed Constructions

21

B

E21B 43/00 (2006.01) E21B 43/12 (2006.01)

Patent

CA 2216824

A method of increasing the production from a well (2) completed to a reservoir (18) is disclosed. Generally, the method comprises the steps of installing a venturi device (56) within the well (2). A gas is injected within the annulus (30) and introduced into the well (2). The venturi device (56) creates a zone of low pressure within the well (2) as well as accelerating the velocity of the production fluids so that the inflow from the reservoir (18) is increased. In one embodiment, the venturi device (56) is associated with a gas lift mandrel (24) located in the well (2).

Cette invention concerne un procédé d'accroissement de la production d'un puits (2) terminé par un réservoir (18). Ce procédé consiste généralement à installer un dispositif à effet venturi (56) à l'intérieur du puits (2). On injecte un gaz à l'intérieur de l'espace annulaire (30) et on l'introduit dans le puits (2). Le dispositif à effet venturi (56) crée une dépression à l'intérieur du puits (2) et provoque l'accélération des fluides de production de sorte que le flux en provenance du réservoir se trouve accru. Dans un mode de réalisation, le dispositif à effet venturi (56) est associé à un mandrin de poussée de gaz (24) situé à l'intérieur du puits (2).

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