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Pore-level investigation of heavy oil recovery during water alternating solvent injection process
, Article Transport in Porous Media ; Volume 83, Issue 3 , July , 2010 , Pages 653-666 ; 01693913 (ISSN) ; Farzaneh, S. A ; Kharrat, R ; Ghazanfari, M. H ; Rashtchian, D ; Sharif University of Technology
2010
Abstract
This study concerns with the microscopic and macroscopic fluid distribution and flow behavior during water alternating solvent (WAS) injection process to heavy oil using micromodel generated from thin section of a real rock which has rarely attended in the available literature. In this study, a one-quarter five-spot glass micromodel was deployed to examine the effect of flow media topology on microscopic displacements as well as macroscopic efficiency of WAS process. The micromodel was initially saturated with the heavy oil, and then the hydrocarbon solvent and water were injected alternately into it. The observations confirmed that WAS injection scheme is an effective method for the...