Journal
JOURNAL OF UNCONVENTIONAL OIL AND GAS RESOURCES
Volume 15, Issue -, Pages 98-105Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.juogr.2016.06.001
Keywords
Pore-scale; Heterogeneity; Two phase relative permeability; Imbibition process
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Relative permeability is one of the main petroleum recovery controller that is a function of porous media and the reservoir fluid. Water flooding titled as one of the eldest EOR methods is still used in some of reservoirs. For proper perception and description of rheology in reservoir scale, knowing the flowing fluid processes specifications and mechanisms and also recognition of porous media type in pore-scale is necessary. In this way, the new age has arrived in reservoir study by introducing porosity model on glass. We can have the two-dimension porous media in actual size by designing a microfluidic chip. This article implies the effects of heterogeneity on relative permeability curves by micro model system and water flooding. High definition photos from different water and oil saturations and also Goodyear equations are used for analyzing the effects of heterogeneity on water and oil permeability in pore-scale. In conclusion, it is observed that in glass micro model oil and water relative permeability curves are dependent on porous media pores sizes. So that as much as these pores grows, the relative permeability will be increased. Moreover, pores sizes distribution and direction have effects on relative permeability. (C) 2016 Elsevier Ltd. All rights reserved.
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