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Experimental study of polymer flooding in fractured systems using five-spot glass micromodel: The role of fracture geometrical properties
, Article Energy Exploration and Exploitation ; Volume 30, Issue 5 , 2012 , Pages 689-706 ; 01445987 (ISSN) ; Ghazanfari, M ; Kharrat, R ; Sharif University of Technology
SAGE
2012
Abstract
Water flooding is being widely used in the petroleum industry and has been considered as a simple inexpensive secondary recovery method. But in fractured formations, existence of fracture system in reservoir rock induces an adverse effect on oil recovery by water flooding. Polymer flooding has been successfully applied as an alternative enhanced oil recovery method in fractured formations. But, the role of fracture geometrical properties on macroscopic efficiency of polymer flooding is not yet well-understood, especially in fractured five-spot systems. In this work five-spot glass micromodel, because of micro-visibility, ease of multiple experimentations and also presence of the unexplored...