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Citation: GUO Dong-Hong, ZHANG Ya-Qin, CUI Xiao-Dong, XIN Hao-Chuan. Synergism of Alkylbenzene Sulfonates in Enhanced Oil Recovery[J]. Chinese Journal of Applied Chemistry, ;2003, 20(1): 86-88. shu

Synergism of Alkylbenzene Sulfonates in Enhanced Oil Recovery

1.
Oilfield Chemistry Department, Research Institute of Petroleum Exploration and Development, PetroChina, Beijing 100083

Corresponding author: GUO Dong-Hong,
Received Date: 17 April 2002
Available Online: 14 November 2002
Fund Project: 国家"九五"重点科技攻关课题(G952381J) (G952381J)

The raw heavy alkylbenzenes were fractionately separated into different fractions, from which five fractions with low, middle and high average molecular weight were collected and sulfonted by ClSO₃H into corresponding heavy alkylbenzene sulfonates(HABS). Their synergetic effects on the interfacial tensions of Sichang(Daqing Oilfield) oil-water have been investigated. The interfacial activity of the mixed HABS of different molecular weight has been remarkably improved in comparison with that of single HABS.
- enhanced oil recovery,
- heavy alkylbenzene sulfonate,
- surfactant,
- synergism
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