Novel insights into pore-scale dynamics of wettability alteration during low salinity waterflooding

R Aziz, V Joekar-Niasar, PJ Martínez-Ferrer… - Scientific reports, 2019 - nature.com
Low salinity waterflooding has proven to accelerate oil production at core and field scales.
Wettability alteration from a more oil-wetting to a more water-wetting condition has been …

Pore-scale imaging and analysis of low salinity waterflooding in a heterogeneous carbonate rock at reservoir conditions

AM Selem, N Agenet, Y Gao, AQ Raeini, MJ Blunt… - Scientific Reports, 2021 - nature.com
X-ray micro-tomography combined with a high-pressure high-temperature flow apparatus
and advanced image analysis techniques were used to image and study fluid distribution …

Low salinity water flooding in high acidic oil reservoirs: Impact of pH on wettability of carbonate reservoirs

A Sari, Y Chen, Q Xie, A Saeedi - Journal of Molecular Liquids, 2019 - Elsevier
Wettability alteration has been identified as an important mechanism during low salinity
water flooding in carbonate reservoirs. Oil composition, in particular, acidic and basic …

Pore-scale simulation of the interplay between wettability, capillary number, and salt dispersion on the efficiency of oil mobilization by low-salinity waterflooding

A Namaee-Ghasemi, S Ayatollahi, H Mahani - SPE Journal, 2021 - onepetro.org
Nonuniform mixing during low-salinity waterflooding (LSWF) is a function of the pore
geometry and flow patterns within the porous system. Salinity-dependent wettability …

Novel insights into the pore-scale mechanism of low salinity water injection and the improvements on oil recovery

M Fattahi Mehraban, SA Farzaneh, M Sohrabi… - Energy & …, 2020 - ACS Publications
The long-held industry view that the Low Salinity Effect (LSE) depends mainly on rock–fluid
interactions has led to failures and successes that can be explained by fluid–fluid …

Direct pore-scale visualization of interactions between different crude oils and low salinity brine

P Mahzari, M Sohrabi, AJ Cooke, A Carnegie - Journal of Petroleum …, 2018 - Elsevier
Direct pore-scale visualizations using micromodels for low salinity water injection (LSWI)
have revealed that the contact between low salinity water and crude oil can provoke …

Drivers of low salinity effect in carbonate reservoirs

A Sari, Q Xie, Y Chen, A Saeedi, E Pooryousefy - Energy & Fuels, 2017 - ACS Publications
Wettability alteration appears to be the main mechanism of low salinity water flooding in
carbonate reservoirs. However, what factor (s) controls the wettability alteration is not clearly …

The diffusion of water through oil contributes to spontaneous emulsification during low salinity waterflooding

S Aldousary, AR Kovscek - Journal of Petroleum Science and Engineering, 2019 - Elsevier
Increases in oil recovery due to Low Salinity Waterfloods (LSW) have been widely
investigated. Literature is abundant with studies attempting to pinpoint the relevant …

Micro-scale experimental investigations of multiphase flow in oil-wet carbonates. I. In situ wettability and low-salinity waterflooding

Z Qin, M Arshadi, M Piri - Fuel, 2019 - Elsevier
In this study, the impacts of temperature, initial water saturation, and aging time on wettability
alteration during dynamic aging process were investigated at the pore scale, using a state-of …

Fluid-fluid interactions inducing additional oil recovery during low salinity water injection in inefficacious presence of clay minerals

MF Mehraban, SA Farzaneh, M Sohrabi, A Sisson - Fuel, 2022 - Elsevier
One the most promising Enhanced Oil Recovery (EOR) methods, Low salinity water injection
(LSWI) has faced several critical challenges, of which understanding the underlying …