Article | Proceedings of the 56th Conference on Simulation and Modelling (SIMS 56), October, 7-9, 2015, Linköping University, Sweden | Study of the Effect of Relative Permeability and Residual oil Saturation on Oil Recovery
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Title:
Study of the Effect of Relative Permeability and Residual oil Saturation on Oil Recovery
Author:
Mahesh Ediriweera: Process Technology, Telemark University College, Norway Britt M. Halvorsen: Process Technology, Telemark University College, Norway
DOI:
10.3384/ecp15119339
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Full text (pdf)
Year:
2015
Conference:
Proceedings of the 56th Conference on Simulation and Modelling (SIMS 56), October, 7-9, 2015, Linköping University, Sweden
Issue:
119
Article no.:
034
Pages:
339-346
No. of pages:
8
Publication type:
Abstract and Fulltext
Published:
2015-11-25
ISBN:
978-91-7685-900-1
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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The depletion of oil production and the low recovery rate are the major challenges faced in oil production. Several studies have shown that considerable amount of oil still remains in the reservoir after the well shutdown. Heavy oil reservoirs occupy more than two third of globally oil reserves. The recovery factor and the lifetime of a well in heavy oil reservoirs is strongly affected by reservoir properties as permeability and porosity, residual oil saturation and the time of water breakthrough. Different enhanced oil recovery (EOR) methods are used to change the relative permeability and the residual oil saturation. In this study, modelling and simulations are carried out to observe the influence of the relative permeability on oil recovery. The relative permeability in a reservoir changes with time due to the change in water saturation during oil production. Simulations are performed on reservoirs with an underlying aquifer using different relative permeability curves and various residual oil saturations. The study has mainly focused on the impact on the total flow rates, the water breakthrough time and the oil recovery. The reservoir simulator, Rocx in combination with OLGA is used in this research work. The results show that the total oil production and the time of water breakthrough are strongly affected by the relative permeability. These outcomes can be utilized when considering EOR methods to increase the oil recovery factor and delaying water breakthrough in future.

Keywords: oil recovery; heavy oil; relative permeability; reservoir simulation; Rocx

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

Author:
Mahesh Ediriweera, Britt M. Halvorsen
Title:
Study of the Effect of Relative Permeability and Residual oil Saturation on Oil Recovery
DOI:
http://dx.doi.org/10.3384/ecp15119339
References:

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Lokendra Pal, M. K. J., Paul D. Fleming. A Simple method for calculation of the permeability coefficient of porous media. TAPPI, 2006.


P. Zitha, R. F., D. Zornes, K. Brown, and K. Mohanty. Increasing Hydrocarbon Recovery Factors. Society of Petroleum Engineers 2011. Disponível em:<http://www.spe.org/industry/docs/recoveryfactors.pdf >. Acesso em: 2014/05/20.


Speight, J.; Speight, J. G. Enhanced recovery methods for heavy oil and tar sands. Houston, TX: Gulf Pub. Co. 2009.

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

Author:
Mahesh Ediriweera, Britt M. Halvorsen
Title:
Study of the Effect of Relative Permeability and Residual oil Saturation on Oil Recovery
DOI:
http://dx.doi.org/10.3384/ecp15119339
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