... Abstract A new copolymer based on hydrophobically modified polyacrylamide was characterized by its rheological behavior. Viscosities were measured at various temperatures and salinities in comparison to a regular acrylamide/sodium acrylate copolymer (HPAM). It is proven that the viscosity...

... enhanced recovery ls brine waterflooding eor effect ls eor effect high temperature salinity low salinity eor effect ph increase piñerez torrijo concentration oil recovery test Upstream Oil & Gas mineral RezaeiDoust wettability alteration reservoir injection Introduction...