A new advanced and versatile chemical flood simulator has been developed for modelling polymer and surfactant oil recovery processes. The simulator takes into account many important fluid properties and includes a sophisticated treatment of phase behaviour. The modelling of temperature effects forms an integral part of the program, allowing for heat transfer between fluids and reservoir formation. Other important features include non-Newtonian rheology, chemical reaction and component degradation, adsorption of components, velocity dispersion effects, and fluid and rock compressibility.

The scope of the simulator is illustrated by application to several representative polymer and surfactant examples. These give an overview of the extensive range of problems which can be handled by the program including studies at the field and laboratory scales.

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