Conference article

Simulation of CO2-Distribution in Carbonate Reservoir

Nora C.I Furuvik
Department of Technology, Telemark University College, Norway

Britt M. Halvorsen
Department of Technology, Telemark University College, Norway

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Published in: Proceedings of the 56th Conference on Simulation and Modelling (SIMS 56), October, 7-9, 2015, Linköping University, Sweden

Linköping Electronic Conference Proceedings 119:35, s. 347-355

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Published: 2015-11-25

ISBN: 978-91-7685-900-1

ISSN: 1650-3686 (print), 1650-3740 (online)


Deep geologic injections and storage of Carbon dioxide (CO2) for enhanced oil recovery (EOR) are an upcoming combination due to the potential for increased oil production from depleted oilfields at the same time reducing the carbon footprint from industrial sources. CO2-EOR refers to a technique for injection of supercritical-dense CO2 into an oil reservoir. Remaining oil, not producible by primary and secondary techniques, has been successfully produced using EOR with CO2 since early 1970’s. CO2 mixes with oil and changes the oil properties making the immobile oil mobile and producible. Coupled CO2-EOR and storage is an attractive storage option because of its potential to increase the oil production from mature oilfields. The reservoir physical properties (porosity, permeability) together with fluid properties significantly affect the CO2 storage and CO2-EOR performance. This study focus on CO2 storage and CO2-EOR in carbonate reservoirs including simulations of CO2-distribution in the rock. Carbonate reservoirs are characterized by low permeability and high heterogeneity causing significant amount of CO2 to be recycled. The simulations are carried out using a commercial reservoir simulation software. Criteria for the performed simulations are a highly heterogeneous carbonate reservoir with fractures. The results are discussed.


CO2 storage; CO2-EOR; Rerservoir simulation; Carbonate reservoir


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