Study on Oil-Water Interfacial Behaviour of Henan Oilfield

Quan Wei Du; Kun Liu

doi:10.4028/www.scientific.net/AMM.700.602

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 700Study on Oil-Water Interfacial Behaviour of Henan...

Study on Oil-Water Interfacial Behaviour of Henan Oilfield

Abstract:

In order to decide the formula of ASP system to be used in Henan oilfield, the weak base ternary composite system compounded with petroleum sulfonate(Ss), polymer and weak base; the alkali ASP system compounded with alkylbenzene sulfonates(Sy), polymer and alkali were studied, and the oil-water interface behaviour of Henan oilfield with weak base ASP system compounded with surfactant SHSA-HN6 and ZL-Ⅱ polymer was evaluated. The results showed that the interfacial tension reduction effect of Weak base ternary system is better than that of Alkali ternary system; the interfacial tension between oil and water can be reduced significantly by the weak base ternary system compounded with surfactant (Ss) and polymer (ZL-Ⅱand KYPAM). After adding 1.2% Na₂CO₃ to the mixture of surfactant (SHSA-HN6) and polymer, the interfacial tension of Henan oil-water was reduced to the ultra-low level(>10^-3mN/m).

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Periodical:

Applied Mechanics and Materials (Volume 700)

Pages:

602-606

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.700.602

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Online since:

December 2014

Authors:

Quan Wei Du*, Kun Liu

Keywords:

ASP Flooding, Surfactant, Ultra-Low Interfacial Tension

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