Negative pressure vortex nozzle

Details Negative pressure vortex nozzle Negative pressure vortex nozzle

E - Fixed Constructions

21

B

E21B 10/60 (2006.01) B05B 1/02 (2006.01) E21B 7/18 (2006.01)

Patent

CA 2173733

A method and abstract of removing a surface subject to a subsurface pressure and an environ- mental surface pressure at least equal to the sub- surface pressure which comprises jetting fluid (6) through a nozzle (3) facing and located a predeter- mined distance from said surface. said nozzle (3) being shaped to eject the fluid (6) in a stream hav- ing a higher core pressure than said environmental pressure, said higher pressure stream having adja- cent thereto at least one zone of pressure negative relative to said subsurface pressure said distance being predetermined to expose said surface to said zone of negative pressure whereby said surface is caused to explode into said zone of negative pres- sure from the force of said subsurface pressure.

Procédé permettant d'éliminer une surface soumise à une pression souterraine et à une pression de surface environnementale au moins égale à la pression souterraine, procédé selon lequel on envoie un jet de fluide (6) par une buse (3) positionnée en face de la surface et à une distance prédéterminée de cette dernière, ladite buse (3) étant configurée pour envoyer le fluide (6) sous forme de courant dont la pression centrale est supérieure à la pression environnementale, ledit courant de pression plus élevée ayant juste à côté de lui au moins une zone de pression négative par rapport à ladite pression souterraine et ladite distance étant prédéterminée de façon que ladite surface soit exposée à ladite zone de pression négative pour provoquer l'explosion de ladite surface dans ladite zone de pression négative sous l'effet de la force de la pression souterraine.

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