Journal
ARABIAN JOURNAL OF CHEMISTRY
Volume 10, Issue 8, Pages 1136-1146Publisher
ELSEVIER
DOI: 10.1016/j.arabjc.2016.05.006
Keywords
Polyacrylamide; Surfactants; Phase behavior; Micro emulsion; Rheological behavior; Properties of water/oil interface
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Nowadays, due to the remarkable oil reduction in oil fields, enhanced oil recovery (EOR) techniques have been considered by a large number of scientists and company. Situ oil extraction is normally done by these techniques with high efficiency. In this particular study, five different surface active agents (surfactant), two kinds of oil with various API, two kinds of sulfonated polyacrylamide, two different electrolyte solutions with various TDS and two distinctive alcohols were tested and evaluated. An optimal formulation in terms of the properties and quantity of materials has to be used in order to enhance oil recovery, achieved by investigation of surface tension and the phase behavior of mentioned substances. Rheological behavior of polymer flooding and surfactant was studied. Employing this formulation, the maximum micro emulsion of oil in water occurred. Due to the synergy between surfactant and alcohol (as a co-surfactant), relatively lower amounts of surfactants were used which led to the dip in the cost of operation, and ultimately the efficiency of operation improved. (C) 2016 The Authors. Production and hosting by Elsevier B.V. on behalf of King Saud University.
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