Numerical modeling of gas hydrates can provide an integrated understanding of the various process mechanisms controlling methane production from hydrates and carbon dioxide sequestration as a gas hydrate in geologic reservoirs. This work describes a new unified kinetic model which, when coupled with a compositional thermal reservoir simulator, can simulate the dynamics of and hydrate formation and decomposition in a geological formation. The kinetic model contains two mass transfer equations: one equation converts gas and water into hydrate and the other equation decomposes hydrate into gas and water. The model structure and parameters were investigated in comparison with a previously published model. The proposed kinetic model was evaluated in two case studies. Case 1 considers a single well within a natural hydrate reservoir for studying the kinetics of and hydrate decomposition and formation. A close agreement was achieved between the present numerical simulations and results reported by Hong and Pooladi-Darvish (2003, “A Numerical Study on Gas Production From Formations Containing Gas Hydrates,” Petroleum Society’s Canadian International Petroleum Conference, Calgary, AB, Jun. 10–12, Paper No. 2003-060). Case 2 considers multiple wells within a natural hydrate reservoir for studying the unified kinetic model to demonstrate the feasibility of sequestration in a natural hydrate reservoir with potential enhancement of recovery. The model will be applied in future field-scale simulations to predict the dynamics of gas hydrate formation and decomposition processes in actual geological reservoirs.
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e-mail: uddin@arc.ab.ca
e-mail: dennis.coombe@cmgl.ca
e-mail: dlaw@slb.com
e-mail: bill.gunter@arc.ab.ca
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September 2008
Research Papers
Numerical Studies of Gas Hydrate Formation and Decomposition in a Geological Reservoir
M. Uddin,
e-mail: uddin@arc.ab.ca
M. Uddin
Alberta Research Council Inc.
, 250 Karl Clark Road, Edmonton, AB, T6N 1E4, Canada
Dr. Mafiz Uddin (Research Engineer, Alberta Research Council) received his B.Sc. in Civil Engineering (Engineering University, Bangladesh, 1984), M.Sc. in Hydrology (University College Galway, Ireland, 1992) and Ph.D. in Hydrogeology (University New Brunswick, Canada, 1989). He was a postdoctoral research fellowship (University of Alberta, Canada), physical scientist (CFS, Natural Resources, Canada), and hydrogeologist (Alberta Environment, Canada). He joined the Alberta Research Council in 2001 where he has worked to date.
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D. Coombe,
e-mail: dennis.coombe@cmgl.ca
D. Coombe
Computer Modeling Group Ltd.
, 3512-33 Street Northwest, Calgary, AB, T2L 2A6, Canada
Dr. Dennis Coombe (Senior Staff Scientist, CMGL) received his B.Sc. in Honours Chemistry (University of Calgary, 1970) and his Ph.D. in Physical Chemistry (University of British Columbia, 1976). After a NATO Postdoctoral Fellowship (University of Leiden, The Netherlands), he joined the Computer Modelling Group in 1980 where he has worked to date. A member of the STARS development team, he is concerned with the maintenance, support, and enhancement of CMG’s thermal and chemical advanced process simulators. Dr. Coombe is also an advisor of enhanced oil recovery field development pilots and university thesis projects worldwide.
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D. Law,
e-mail: dlaw@slb.com
D. Law
Schlumberger Reservoir Fluids Center
, 9450-17 Avenue, Edmonton, AB, T6N 1M9, Canada
Dr. David Law is currently the Heavy Oil Technical Director for Schlumberger. He has more than experience in heavy oil technology development with more than 70 publications in the area. Before joining Schlumberger in 2005, he has worked for the Alberta Research Council for as leaders of the Reservoir Simulation Group and the Thermal Gravity Strategy Area. He holds a B.Sc. degree from the National Taiwan University and M.Sc. and Ph.D. degrees from the University of Alberta, all in chemical engineering. He is a registered professional engineer with APEGGA and members of SPE and Canadian Petroleum Society.
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B. Gunter
e-mail: bill.gunter@arc.ab.ca
B. Gunter
Alberta Research Council Inc.
, 250 Karl Clark Road, Edmonton, AB, T6N 1E4, Canada
Search for other works by this author on:
M. Uddin
Dr. Mafiz Uddin (Research Engineer, Alberta Research Council) received his B.Sc. in Civil Engineering (Engineering University, Bangladesh, 1984), M.Sc. in Hydrology (University College Galway, Ireland, 1992) and Ph.D. in Hydrogeology (University New Brunswick, Canada, 1989). He was a postdoctoral research fellowship (University of Alberta, Canada), physical scientist (CFS, Natural Resources, Canada), and hydrogeologist (Alberta Environment, Canada). He joined the Alberta Research Council in 2001 where he has worked to date.
Alberta Research Council Inc.
, 250 Karl Clark Road, Edmonton, AB, T6N 1E4, Canadae-mail: uddin@arc.ab.ca
D. Coombe
Dr. Dennis Coombe (Senior Staff Scientist, CMGL) received his B.Sc. in Honours Chemistry (University of Calgary, 1970) and his Ph.D. in Physical Chemistry (University of British Columbia, 1976). After a NATO Postdoctoral Fellowship (University of Leiden, The Netherlands), he joined the Computer Modelling Group in 1980 where he has worked to date. A member of the STARS development team, he is concerned with the maintenance, support, and enhancement of CMG’s thermal and chemical advanced process simulators. Dr. Coombe is also an advisor of enhanced oil recovery field development pilots and university thesis projects worldwide.
Computer Modeling Group Ltd.
, 3512-33 Street Northwest, Calgary, AB, T2L 2A6, Canadae-mail: dennis.coombe@cmgl.ca
D. Law
Dr. David Law is currently the Heavy Oil Technical Director for Schlumberger. He has more than experience in heavy oil technology development with more than 70 publications in the area. Before joining Schlumberger in 2005, he has worked for the Alberta Research Council for as leaders of the Reservoir Simulation Group and the Thermal Gravity Strategy Area. He holds a B.Sc. degree from the National Taiwan University and M.Sc. and Ph.D. degrees from the University of Alberta, all in chemical engineering. He is a registered professional engineer with APEGGA and members of SPE and Canadian Petroleum Society.
Schlumberger Reservoir Fluids Center
, 9450-17 Avenue, Edmonton, AB, T6N 1M9, Canadae-mail: dlaw@slb.com
B. Gunter
Alberta Research Council Inc.
, 250 Karl Clark Road, Edmonton, AB, T6N 1E4, Canadae-mail: bill.gunter@arc.ab.ca
J. Energy Resour. Technol. Sep 2008, 130(3): 032501 (14 pages)
Published Online: August 8, 2008
Article history
Received:
August 27, 2007
Revised:
March 28, 2008
Published:
August 8, 2008
Citation
Uddin, M., Coombe, D., Law, D., and Gunter, B. (August 8, 2008). "Numerical Studies of Gas Hydrate Formation and Decomposition in a Geological Reservoir." ASME. J. Energy Resour. Technol. September 2008; 130(3): 032501. https://doi.org/10.1115/1.2956978
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