LAPSE:2018.1179
Published Article
LAPSE:2018.1179
A Review of CO₂-Enhanced Oil Recovery with a Simulated Sensitivity Analysis
Mandadige Samintha Anne Perera, Ranjith Pathegama Gamage, Tharaka Dilanka Rathnaweera, Ashani Savinda Ranathunga, Andrew Koay, Xavier Choi
December 3, 2018
This paper reports on a comprehensive study of the CO₂-EOR (Enhanced oil recovery) process, a detailed literature review and a numerical modelling study. According to past studies, CO₂ injection can recover additional oil from reservoirs by reservoir pressure increment, oil swelling, the reduction of oil viscosity and density and the vaporization of oil hydrocarbons. Therefore, CO₂-EOR can be used to enhance the two major oil recovery mechanisms in the field: miscible and immiscible oil recovery, which can be further increased by increasing the amount of CO₂ injected, applying innovative flood design and well placement, improving the mobility ratio, extending miscibility, and controlling reservoir depth and temperature. A 3-D numerical model was developed using the CO₂-Prophet simulator to examine the effective factors in the CO₂-EOR process. According to that, in pure CO₂ injection, oil production generally exhibits increasing trends with increasing CO₂ injection rate and volume (in HCPV (Hydrocarbon pore volume)) and reservoir temperature. In the WAG (Water alternating gas) process, oil production generally increases with increasing CO₂ and water injection rates, the total amount of flood injected in HCPV and the distance between the injection wells, and reduces with WAG flood ratio and initial reservoir pressure. Compared to other factors, the water injection rate creates the minimum influence on oil production, and the CO₂ injection rate, flood volume and distance between the flood wells have almost equally important influence on oil production.
Keywords
CO2-EOR, effective factors, immiscible recovery, miscible recovery, numerical modelling, review study
Suggested Citation
Perera MSA, Gamage RP, Rathnaweera TD, Ranathunga AS, Koay A, Choi X. A Review of CO₂-Enhanced Oil Recovery with a Simulated Sensitivity Analysis. (2018). LAPSE:2018.1179
Author Affiliations
Perera MSA: Department of Civil Engineering, Deep Earth Energy Laboratory, Monash University, Building 60, Melbourne 3800, Victoria, Australia [ORCID]
Gamage RP: Department of Civil Engineering, Deep Earth Energy Laboratory, Monash University, Building 60, Melbourne 3800, Victoria, Australia [ORCID]
Rathnaweera TD: Department of Civil Engineering, Deep Earth Energy Laboratory, Monash University, Building 60, Melbourne 3800, Victoria, Australia [ORCID]
Ranathunga AS: Department of Civil Engineering, Deep Earth Energy Laboratory, Monash University, Building 60, Melbourne 3800, Victoria, Australia
Koay A: Department of Civil Engineering, Deep Earth Energy Laboratory, Monash University, Building 60, Melbourne 3800, Victoria, Australia
Choi X: Commonwealth Scientific and Industrial Research Organisation (CSIRO), Ian Wark Laboratory, Clayton 3168, Victoria, Australia
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Journal Name
Energies
Volume
9
Issue
7
Article Number
E481
Year
2016
Publication Date
2016-06-23
Published Version
ISSN
1996-1073
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Original Submission
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PII: en9070481, Publication Type: Review
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LAPSE:2018.1179
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doi:10.3390/en9070481
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Dec 3, 2018
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CC BY 4.0
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Dec 3, 2018
 
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Calvin Tsay
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