Scaling criteria have been developed and validated to evaluate performance of waterflooding and immiscible CO2 flooding in heavy oil reservoirs by using a three-dimensional (3D) sandpacked displacement model. Experimentally, the 3D physical model consisting of a pair of horizontal wells together with five vertical wells is used to conduct waterflooding and immiscible CO2 flooding processes, respectively. Theoretically, mathematical formulae have been developed for waterflooding and immiscible CO2 flooding by performing dimensional and inspectional analyses. The scaling group of the gravitational force to viscous force is found to be negligible when scaling up a model to its prototype. The relaxed scaling criteria are validated by comparing the simulation results of a synthetic reservoir with experimental measurements and then extended for a field application. There also exists a reasonably good agreement between the laboratory measurements and the field application with the determined scaling criteria.
Scaling Criteria for Waterflooding and Immiscible CO2 Flooding in Heavy Oil Reservoirs
Faculty of Engineering and Applied Science,
University of Regina,
Regina, SK S4S 0A2, Canada
Contributed by the Petroleum Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received June 6, 2016; final manuscript received December 11, 2016; published online January 16, 2017. Editor: Hameed Metghalchi.
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Zhou, D., and Yang, D. (January 16, 2017). "Scaling Criteria for Waterflooding and Immiscible CO2 Flooding in Heavy Oil Reservoirs." ASME. J. Energy Resour. Technol. March 2017; 139(2): 022909. https://doi.org/10.1115/1.4035513
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