Journal of Colloid and Interface Science 461 (2016) 435–442 Contents lists available at ScienceDirect Journal of Colloid and Interface Science journal homepage: www.elsevier.com/locate/jcis Wettability alteration of oil-wet carbonate by silica nanoﬂuid a,⇑ a,b a c b Sarmad Al-Anssari , Ahmed Barifcani , Shaobin Wang , Lebedev Maxim , Stefan Iglauer Department of Chemical Engineering, Curtin University, Kent Street, 6102 Bentley, Australia Department of Petroleum Engineering, Curtin University, 26 Dick Perry Avenue, 6151 Kensington, Australia Department of Exploration Geophysics, Curtin University, 26 Dick Perry Avenue, 6151 Kensington, Australia highl i ghts graphical a bstrac t Preparation of nanoﬂuids (different 140 nanoparticles concentration in 120 θa in decane θr in decane different brine concentration). θa in air SEM and AFM images (images taken θr in air before and after nano-modiﬁcation). EDS analysis (data were taken after nano-modiﬁcation of the surfaces). Effect of exposure time, brine 01 23 45 6 Exposure time [hours] concentration and nanoparticle concentration on contact angle. Efﬁciency of used nanoﬂuid (sustainability of silica nanoparticles). article i nfo abstract Article history: Changing oil-wet surfaces toward higher water wettability is of key importance in subsurface Received 7 August 2015 engineering applications. This includes petroleum recovery from fractured limestone reservoirs, which
Journal of Colloid and Interface Science – Elsevier
Published: Jan 1, 2016
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