Mixture of Different Surfactants Enhanced Chemical Flooding for Suijing Oil Recovery

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Abstract:

We investigate six different surfactants in interfacial tension (IFT) between the surfactant solution and the crude oil from Suijng oilfield. Based on the measurement of interfacial tension, the anion surfactant Heavy alkylbenzene sulfonate (HABS) and non-ionic surfactant alkyl glycoside (APG) are selected for the formulation of mixed surfactant. The IFT between the mixed surfactant solution comprising the HABS and APG and crude oil from Suijing can be reduced to ultralow.The experimental results indicate that the selected mixed surfactant formulation (0.20%HABS+0.10%APG) has a good performance on the tolerance of temperature and salinity and the coreflood test result indicate that the effective of the formulation was high which led to significant oil recovery (56.48%TOR).

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Periodical:

Advanced Materials Research (Volumes 1004-1005)

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688-691

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Online since:

August 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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DOI: 10.2118/5050-pa

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