Consolidatable particulate material and well treatment method

Details Consolidatable particulate material and well treatment method Consolidatable particulate material and well treatment method

E - Fixed Constructions

21

B

E21B 43/22 (2006.01) C08G 59/18 (2006.01) C09K 8/575 (2006.01) C09K 8/80 (2006.01) E21B 43/02 (2006.01)

Patent

CA 2126422

A well treating composition comprising: a gelled carrier; a particulate material; an epoxy resin system including at least one epoxy resin; and a finely-divided hardening agent which, when dissolved, is operable for hardening the epoxy resin. The finely-divided hardening agent is dispersed in the epoxy resin system. A method of treating a subterranean zone located in a well comprising the steps of: (a) preparing the above-described treating composition; (b) injecting the treating composition into the well such that the treating composition is placed in the subterranean zone; and (c) maintaining the finely-divided hardening agent under conditions such that, prior to injecting the treating composition into the well, the finely-divided hardening agent does not substantially dissolve.

Composition pour le traitement de puits comprenant : un support en gelée; des particules; un système à base de résine époxy incluant au moins une résine époxy et un agent de durcissement finement divisé qui, lorsqu'il est dissous, est utilisable afin de durcir la résine époxy. L'agent de durcissement finement divisé est dispersé dans le système à base de résine époxy. Une méthode de traitement d'une zone souterraine située dans un puits comprend les étapes suivantes : a) préparer la composition de traitement décrite ci-haut; b) injecter la composition de traitement dans le puits pour qu'elle se retrouve dans la zone souterraine, et c) maintenir l'agent de durcissement finement divisé dans des conditions telles que, avant l'injection de la composition de traitement dans le puits, il ne se dissolve pas sensiblement.

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