Current conventional thermal reservoir simulators are poorly equipped to account for fracturing phenomena such as those encountered in cyclically steamed oilsand reservoirs in Alberta, Canada. This paper describes a procedure by which the fracture characteristics can be, at least partially, incorporated into such simulation studies. By using a fracture model, the fracture characteristics are "translated" into pressure, temperature and saturation distributions which the thermal reservoir simulator can utilize in subsequent studies. The logic and procedure described is easily extendable to include other unconventional information which are otherwise often ignored in numerical modelling studies. The procedure was successfully tested on a number of cyclic steam simulated wells in the McMurray formation of the Athabasca oilsand deposit in Alberta, Canada. The results from four such applications are given as examples in this paper.

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