Method for annular sealing

Details Method for annular sealing Method for annular sealing

E - Fixed Constructions

21

B

E21B 43/10 (2006.01)

Patent

CA 2368885

Method for sealing an annulus between two solid tubulars or between a solid tubular and a borehole which comprises the use of a thermoset or thermoplastic material in forming the seal between at least part of the outer surface of a tubular and at least part of the inner surface of the other tubular or the wellbore in which the seal is formed by expanding the inner tubular.

L'invention concerne un procédé de réalisation de joint annulaire entre deux structures tubulaires solides ou entre une structure tubulaire solide et un trou de forage, qui consiste à utiliser un matériau thermodurci ou thermoplastique dans la formation du joint entre au moins une partie de la surface externe d'une structure tubulaire et au moins une partie de la surface interne de l'autre structure tubulaire ou le forage dans lequel le joint est réalisé par expansion de la structure tubulaire interne.

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