Method of consolidating parts of permeable underground...

E - Fixed Constructions – 21 – B

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166/16, 31/21

E21B 43/25 (2006.01) E21B 33/138 (2006.01)

Patent

CA 1132783

A B S T R A C T To consolidate subsurface formation parts around a well or borehole, a treating solution including an epoxy compound and a hardening agent is injected thereinto, this solution optionally being preceded by a pre-flush liquid. The solution and the pre-flush liquid displace mobile fluids in the formation, but leave water adhering to the wall of the pore space thereof. Dimethylaminomethylphenol is dissolved in the solution and/or in the pre-flush liquid.

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