Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell Canada Ltd
Original Assignee
Shell Canada Limited
Jan Dirk Bossaerts
Gerbrand Jozef Maria Eijden
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shell Canada Limited, Jan Dirk Bossaerts, Gerbrand Jozef Maria EijdenfiledCriticalShell Canada Limited
Priority claimed from PCT/EP1996/005374external-prioritypatent/WO1997020129A1/en
Publication of CA2238173A1publicationCriticalpatent/CA2238173A1/en
Application grantedgrantedCritical
Publication of CA2238173CpublicationCriticalpatent/CA2238173C/en
A method of treating an underground formation comprising the sequential steps of: (a) contacting the formation with an aqueous medium; (b) contacting the formation with a hydrocarbon fluid; (c) contacting the formation with a solvent in the form of a glycol ether; and (d) contacting the formation with a consolidation solution of between 30 and 60 %m of monomeric and/or polymeric organic polyepoxides having more than one epoxy group per molecule and between 5 and 20 %m of a curing agent in the solvent.
CA 22381731995-11-281996-11-28Method of treating an underground formation
Expired - LifetimeCA2238173C
(en)
Compositions curable at ambient or slightly elevated temperatures comprising a polyhxdroxy compound together with a specified epoxide/carboxylic anhydride crosslinking system.
Voice information service system utilizing approximately matched input character string and key word,and the method for the approximate matching thereof
METHOD FOR PRODUCING EPOXY ORGANIC POLYMER, THERMOPLASTIC RESIN COMPOSITION, PRIMER COMPOSITION, NON-VULCANIZED RUBBER COMPOSITION, RUBBER COMPOSITIONS AND METHOD FOR THE PRODUCTION THEREOF
Copolymer suitable for use as an additive improving the viscosity index of a hydraulic fluid, method of improving such hydraulic fluid viscosity index, hydraulic fluid viscosity index improving composition and hydraulic fluid composition o