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Characterization of Phase and Emulsion Behavior, Surfactant Retention, and Oil Recovery for Novel Alcohol Ethoxycarboxylate Surfactant
Author(s) -
Lebone T. Moeti,
Ramanathan Sampath
Publication year - 2002
Language(s) - English
Resource type - Reports
DOI - 10.2172/792548
Subject(s) - pulmonary surfactant , emulsion , dodecane , conductivity , electrical resistivity and conductivity , materials science , volume fraction , phase inversion , hydrocarbon , phase (matter) , enhanced oil recovery , thermodynamics , analytical chemistry (journal) , chromatography , chemical engineering , chemistry , petroleum engineering , composite material , geology , organic chemistry , physics , biochemistry , quantum mechanics , membrane , engineering
Electrical conductivity measurements for middle, bottom, and top phases, as well as bottom/middle, and middle/bottom conjugate pair phases of the NEODOX 23-4/dodecane/10mM water system were continued from the previous reporting period. Electrical conductivity of the mixture decreased as the fraction of volume of the middle phase was increased and vice versa. Also inversion phenomena was observed. Following this, more emulsion studies at various temperatures were progresses. A theoretical model to predict the conductivity measurements using Maxwell equations was developed and sensitivity analyses to test the performance of the model was completed. Surtek, Golden, CO, our industrial partner in this project, investigated the suitability of the surfactant for enhanced oil recovery employing coreflooding techniques and observed lower surfactant and hydrocarbon recovery for NEODOX 23-4

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