Transient Interfacial Tension of Crude Oil/Alkali/ Surfactant/Polymer Flooding Systems

Chem. J. Chinese Universities ›› 1999, Vol. 20 ›› Issue (11): 1776.

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Transient Interfacial Tension of Crude Oil/Alkali/ Surfactant/Polymer Flooding Systems

MU Jian-Hai¹, LI Gan-Zuo¹, LI Ying¹, CAO Xu-Long², ZENG Sheng-Wen²

1. Key Lab. of Colloid and Interface Chemistry, Shandong University, Jinan 250100, China;
2. Institute of Geological Science, Shengli Oilfield, Dongying 257001, China

Received:1999-01-23 Online:1999-11-24 Published:1999-11-24

Abstract

Abstract: The effect of each component of two alkali/surfactant/polymer flooding systems which use a low-price natural mixed carboxylate as the major surfactant on transient and minimum interfacial tension is discussed in this paper. It is found that each component of the ASPflooding systems has an optimum concentration making the minimum interfacial tension on O/W interface lowest: alkali 1.0%, surfactant 0.5%, polymer 0.1%. We also probe into the mechanism of interaction in each component and their adsorption on O/W interface initially.

Key words: ASP-flooding systems, Transient interfacial tension, Natural mixed carboxylate

CLC Number:

O647.2

TrendMD:

MU Jian-Hai, LI Gan-Zuo, LI Ying, CAO Xu-Long, ZENG Sheng-Wen . Transient Interfacial Tension of Crude Oil/Alkali/ Surfactant/Polymer Flooding Systems[J]. Chem. J. Chinese Universities, 1999, 20(11): 1776.

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Transient Interfacial Tension of Crude Oil/Alkali/ Surfactant/Polymer Flooding Systems

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