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An Approach to Numerical Simulation of In Situ Conversion of Oil Shales in Northeast China

Abstract

For the oil shales in Northeast China, the transient temperature field of in situ conversion was calculated through numerical simulation. And the kinetics parameters were obtained from Rock-Eval pyrolysis experiments. Hydrocarbon generation rates of oil shale at various times and temperatures were calculated from kinetics parameters and temperature field. Under in situ retorting, the pyrolysis temperature of oil shale ranged from 200 to 280 degrees Celsius, i.e. the oil shale needs to be heated about 8–10 years.