Laboratory Study on the Oil Displacement Properties of Sugar Amine Sulfonate Surfactant

Laboratory Study on the Oil Displacement Properties of Sugar Amine Sulfonate Surfactant A sugar amine sulfonate surfactant (SAS) was used to enhance oil recovery by chemical flooding. The interfacial tension between an SAS solution and four kinds of crude oil was determined. Oil (4) containing the largest amount of medium chain length components was the most suitable candidate because the IFT could be reduced to an ultralow range (10−3 mN/m) at optimum NaCl concentration. Emulsions consisting of oil (4) and SAS solution and the adsorption density of SAS on sandstone were studied. Compared with A37 (alkyl ether sulfate), SAS ws able to form more stable emulsions and the adsorption density was equivalent in the typical concentration range of chemical flooding. Both SAS and A37 adsorption data on sandstone followed the Langmuir isotherm model. SAS increased the apparent viscosity of KY-1500 (modified polyacrylamide) in a low concentration range and improve the viscoelasticity. A combination of SAS and KY-1500 (SP) enhanced oil recovery by 16.05 versus 14.31% (using KY-1500 alone). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Surfactants and Detergents Springer Journals

Laboratory Study on the Oil Displacement Properties of Sugar Amine Sulfonate Surfactant

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by AOCS
Subject
Chemistry; Industrial Chemistry/Chemical Engineering; Waste Water Technology / Water Pollution Control / Water Management / Aquatic Pollution; Surfaces and Interfaces, Thin Films; Polymer Sciences; Physical Chemistry
ISSN
1097-3958
eISSN
1558-9293
D.O.I.
10.1007/s11743-017-2007-z
Publisher site
See Article on Publisher Site

Abstract

A sugar amine sulfonate surfactant (SAS) was used to enhance oil recovery by chemical flooding. The interfacial tension between an SAS solution and four kinds of crude oil was determined. Oil (4) containing the largest amount of medium chain length components was the most suitable candidate because the IFT could be reduced to an ultralow range (10−3 mN/m) at optimum NaCl concentration. Emulsions consisting of oil (4) and SAS solution and the adsorption density of SAS on sandstone were studied. Compared with A37 (alkyl ether sulfate), SAS ws able to form more stable emulsions and the adsorption density was equivalent in the typical concentration range of chemical flooding. Both SAS and A37 adsorption data on sandstone followed the Langmuir isotherm model. SAS increased the apparent viscosity of KY-1500 (modified polyacrylamide) in a low concentration range and improve the viscoelasticity. A combination of SAS and KY-1500 (SP) enhanced oil recovery by 16.05 versus 14.31% (using KY-1500 alone).

Journal

Journal of Surfactants and DetergentsSpringer Journals

Published: Jul 31, 2017

References

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