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Volume and permeability changes associated with steam-stimulation in an oil sands reservoir. J.D. Scott, S.A. Proskin and D.P. Adhikary. J. Can. Petrol Technol., September 1994, 33(7), 44--52.

Cyclic steam stimulation processes for enhanced recovery in Alberta oil sands and heavy oil reservoirs are discussed. This causes structural changes to pores which in turn affect reservoir permeability and water mobility. A triaxial testing system is described and illustrated. This is used to study permeability effects and fluid flow properties in reservoir sands. Geomechanical and permeability properties are measured in the laboratory under temperature, stress and fluid pressure conditions simulating those encountered in the field. Other specialized equipment and test procedures are described for investigating volume and permeability changes during isotropic unloading, anisotropic unloading, and drained heating of oil sands. 8 refs.

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