
For heavy oil fields, the residual oil after water flooding
is largely bypassed due to viscous
fingering caused by the adverse mobility ratio between oil and
water, not mainly due to capillary trapping as with conventional
oil. Oil Chem Technologies Super Flow Series of surfactants for
the recovery of heavy oils are designed to be applied to
reservoirs containing oils of 12 to 18 API gravity and
viscosities well above 10,000 cps. These surfactants are used at
low concentration levels and help reduce viscosity by forming a
water-external pseudo-emulsion.
The Super Flow series is an economical alternative to other
heavy oil recovery techniques such as steam flooding. They give
excellent oil recoveries without forming stable emulsions. A
wide range of temperatures, brine TDS and hardness can be
tolerated by these surfactants. The Super Flow series also
improves injectivity in tight formations.

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