Additives for oil recovery from reservoirs
The invention relates to the use of quaternary polyamines having formula (I) for the recovery of oil from reservoirs formula (I), wherein n>=1 R1 represents H, CH3, CH2CH3, CnH2n+1 R2 represents H2CHOHCH2, CH2, CH2CH CH2 R3 represents CH3, CH2CH3, CnH2n+1 R4 represents CH2, CH2CH CH2 when R2 and...
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Main Authors | , , |
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Format | Patent |
Language | English |
Published |
29.04.2014
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Subjects | |
Online Access | Get full text |
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Summary: | The invention relates to the use of quaternary polyamines having formula (I) for the recovery of oil from reservoirs formula (I), wherein n>=1 R1 represents H, CH3, CH2CH3, CnH2n+1 R2 represents H2CHOHCH2, CH2, CH2CH CH2 R3 represents CH3, CH2CH3, CnH2n+1 R4 represents CH2, CH2CH CH2 when R2 and R4 are allyl group, they can jointly form aliphatic cyclic structures, the ratio between the carbon atoms and nitrogen atoms (C/N) ranges from 2 to 30. |
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Bibliography: | Application Number: US20080596283 |