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Investigation of asphaltene deposition mechanisms during primary depletion and CO2 injection
, Article Society of Petroleum Engineers - 9th European Formation Damage Conference 2011, 7 June 2011 through 10 June 2011 ; Volume 1 , June , 2011 , Pages 223-231 ; 9781617829673 (ISBN) ; Ghotbi, C ; Taghikhani, V ; Shahrabadi, A ; Sharif University of Technology
2011
Abstract
Asphaltene deposition causes serious problems in the oil industry. Variation of oil composition and reservoir pressure is reported to be the most important factors that influence asphaltene deposition from reservoir oil. In this study, a mathematical model was developed to simulate asphaltene deposition during primary depletion and CO2 injection. The main purpose of this study is to investigate and to compare asphaltene deposition mechanisms due to primary depletion and CO2 injection. The solid model as thermodynamic model was applied to investigate asphaltene precipitation. A numerical model was established to the governing equations both in space and time and model parameters were...