Method and system for fixing an element in a borehole

Details Method and system for fixing an element in a borehole Method and system for fixing an element in a borehole

E - Fixed Constructions

21

B

E21B 23/01 (2006.01) E21B 47/01 (2006.01)

Patent

CA 2743716

A method is provided of fixing at least one element, preferably a sensor or a valve, in a borehole formed in an earth formation. The method comprises positioning each element in the borehole, positioning a swellable body in the borehole, the swellable body being susceptible of swelling upon contact with a swell fluid, wherein the swellable body is arranged to press the element against a wall of the borehole upon swelling of the swellable body, and allowing the swell fluid to contact the swellable body thereby inducing the swellable body to swell and to press the element against said wall of the borehole.

L'invention divulgue un procédé pour fixer au moins un élément, de préférence un capteur ou une vanne, dans un trou de forage formé dans une formation terrestre. Le procédé comprend le positionnement de chaque élément dans le trou de forage, le positionnement d'un corps gonflable dans le trou de forage, le corps gonflable étant susceptible de se gonfler lors d'un contact avec un fluide de gonflage, le corps gonflable étant agencé de manière à presser l'élément contre une paroi du trou de forage lors du gonflement du corps gonflable, et la mise en contact du fluide de gonflage avec le corps gonflable, entraînant ainsi le gonflement du corps gonflable, lequel presse l'élément contre ladite paroi du trou de forage.

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