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Comparison of the use of sulfonate-derivatives of ethoxylated and/or propoxylated alkyl phenols in enhanced oil recovery

Conference · · Am. Chem. Soc., Div. Pet. Chem., Prepr.; (United States)
OSTI ID:6920357
Nonyl phenol has been ethoxylated and/or propoxylated: the results of the characterization of product non-ionic surfactants by NMR, hplc, and FAB-ms are described. These were then sulfonated and measurements of their phase equilibria: thermal and chemical stability: interfacial tension, viscosity, and contact angles, and rate and extent of adsorption were carried out as a function of temperature, salinity, and concentration, and in the presence and absence of co-surfactants and cosolvents to determine their EOR potential. Such properties are explained in terms of their molecular characteristics: these are related to de-oiling and surfactant flood results.
Research Organization:
Dept. of Chemistry, Brunel Univ., Uxbridge, UB8 3PH (GB)
OSTI ID:
6920357
Report Number(s):
CONF-880659-
Conference Information:
Journal Name: Am. Chem. Soc., Div. Pet. Chem., Prepr.; (United States) Journal Volume: 33:1
Country of Publication:
United States
Language:
English

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