Searched for: subject%3A%22Wettability%22
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Farajzadeh, R. (author), Guo, H. (author), van Winden, J.L. (author), Bruining, J. (author)
Cation exchange is an interfacial process during which cations on a clay surface are replaced by other cations. This study investigates the effect of oil type and composition on cation exchange on rock surfaces, relevant for a variety of oil-recovery processes. We perform experiments in which brine with a different composition than that of the...
journal article 2017
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Toutouh, Azeddine (author)
Oil is one of the major contributors to energy consumption. Oil reserves are expressed as the total amount of economically and technically producible oil. Total oil consumption is increasing (per capita it remains more or less the same) but it has no unambiguous influence on the remaining reserves due to new discoveries. However, increasingly...
bachelor thesis 2016
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De Velde Harsenhorst, R.M. (author)
Low salinity waterflooding (LSF) is a promising improved oil recovery (IOR) technique. The enhanced composition of injected water in LSF can change the wettability of the formation from oil-wet/ mixed-wet towards a more water-wet state. This leads to improved relative oil permeability (kro). The zeta potential, which is the electric potential at...
master thesis 2014
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Chahardowli, M. (author), Bruining, J. (author)
Mutually-soluble solvents can enhance oil recovery both in mixed-wet fractured reservoirs. When a partially waterwet matrix is surrounded by an immiscible wetting phase in the fracture, spontaneous imbibition is the most important production mechanism. Initially, the solvent moves with the imbibing brine into the core. However, upon contact with...
conference paper 2014
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Keya, A.L. (author)
Low-salinity flooding (LSF) is an improved-oil-recovery method that consists of injecting brine with lower salinity than conventional formation water into the reservoir rock. This method has the potential to improve the oil recovery beyond conventional waterflooding. In sandstone reservoir rocks, it has been reported that the salinity range...
master thesis 2014
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Shojai Kaveh, N. (author)
To reduce CO2 emissions into the atmosphere, different scenarios are proposed to capture and store carbon dioxide (CO2) in geological formations (CCS). Storage strategies include CO2 injection into deep saline aquifers, depleted gas and oil reservoirs, and unmineable coal seams. To identify a secure and proper strategy for CO2 injection, the...
doctoral thesis 2014
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Siemons, N. (author)
doctoral thesis 2007
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