Jul 21, 2017 · Water-soluble polymers have been successfully employed in oilfields. To date, polyacrylamide (PAM) and partially hydrolyzed polyacrylamide (HPAM) have been the most widely used polymers in oil fields, such as in chemical flooding, drilling fluids, fracturing fluids, clay stabilizers, and other EOR technologies [6,7,8,9].
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