E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
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.
348115
Davies David R.
Hagelaars Adrianus M.p.m.
Zuiderwijk Jacobus J.m.
Shell Canada Limited
Smart & Biggar
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