Heavy Oils – Seismic Properties Michael Batzle* Brian Zadler Ronny Hofmann Colorado School of Mines De-hua Han University of Houston Summary Heavy oil properties are strongly dependent on composition and temperature. Because of biodegradation alkanes are destroyed and complex heavy compounds dominate. As a result the trends for velocities gas-oil ratios well as for viscosities developed for light oils often do not apply to heavy oils. For heavy oils at low temperatures the viscosity increases and the material can act like a solid. This glass-like behavior results in the ability of the material to have an effective shear modulus and


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