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Energy Sources, Part B: Economics, Planning, and Policy Volume 12, 2017 - Issue 5
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Articles

Economic analysis of oil production by applying steam-assisted gravity drainage (SAGD) to reservoirs from the Potiguar basin

G. M. D. FernandesDepartment of Petroleum Engineering, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, BrazilCorrespondence[email protected]
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A. A. R. DinizDepartment of Petroleum Engineering, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil;Marine Science Department, Federal University of Sao Paulo, Sao Paulo, BrazilView further author information
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E. A. AraújoDepartment of Petroleum Engineering, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, BrazilView further author information
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M. A. F. RodriguesDepartment of Petroleum Engineering, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, BrazilView further author information
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A. R. GurgelDepartment of Petroleum Engineering, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, BrazilView further author information
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T. V. Dutra JuniorDepartment of Petroleum Engineering, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, BrazilView further author information
&
J. L. M. BarillasDepartment of Petroleum Engineering, Federal University of Rio Grande do Norte, Natal, Rio Grande do Norte, BrazilView further author information
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Pages 428-433 | Published online: 03 Mar 2017
 
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ABSTRACT

The steam-assisted gravity drainage (SAGD) is an enhanced oil recovery process, used successfully by many countries, such as Canada, United States, and Venezuela, where there are many bitumen and heavy oil reservoirs. The SAGD is a process that uses two parallel horizontal wells, one of them for injecting steam and the other to produce oil. This process has not been applied in Brazil yet, where there are many heavy oil reservoirs, especially in Brazilian Northeast. Motivated by this context, this research aimed at studying the application of the SAGD process in a semisynthetic reservoir, with characteristics similar to those found in the Brazilian Northeast. The steam injection rates and their net present value were analyzed, indicating that there is a limit for steam injection rate to reach a good efficiency and that limit presents economic viability, evidencing that it can be applied in Brazilian Northeast.

Funding

Authors would like to thank CMG (Computer Modelling Group Ltd.) for technical support and programming, and Petrobras for financial support.

Additional information

Funding

Authors would like to thank CMG (Computer Modelling Group Ltd.) for technical support and programming, and Petrobras for financial support.

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