COMPOSITION BASED ON GEMINALS ZWITTERIONICS LIQUIDS AS WETTABILITY MODIFIERS IN ENHANCED OIL RECOVERY PROCESSES
The invention relates to the use of zwitterionic geminal liquids of type bis-N-alkyl polyether or bis-N-alkenyl polyether or bis-N-aryl polyether bis-beta imino acids or the salts thereof as modifiers of the wettability of rock, such as limestone, dolomite, sandstone, quartz or heterogeneous litholo...
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Main Authors | , , , , , , , , , , |
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Format | Patent |
Language | English French |
Published |
18.05.2012
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to the use of zwitterionic geminal liquids of type bis-N-alkyl polyether or bis-N-alkenyl polyether or bis-N-aryl polyether bis-beta imino acids or the salts thereof as modifiers of the wettability of rock, such as limestone, dolomite, sandstone, quartz or heterogeneous lithologies, in the presence of brine having a high concentration of divalent ions, such as calcium, magnesium, barium and strontium, at a high temperature and pressure, in improved oil recovery processes. |
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Bibliography: | Application Number: CA20112817681 |