Effect of sulfate ions on oil detachment from calcite surface: experiments and molecular dynamics simulations
Sign Up to like & getrecommendations! Published in 2019 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-019-4427-8
Abstract: To investigate the influence of sulfate ions in low-salinity waterflooding of carbonate reservoirs, we combined the physical experiments and molecular dynamic simulations. Contact angle experiments results showed that there is an optional salinity during the… read more here.
Keywords: sulfate ions; surface; interaction; oil ... See more keywords
Influence of Mg2+, SO42− and Na+ ions of sea water in crude oil recovery: DFT and ab initio molecular dynamics simulations
Sign Up to like & getrecommendations! Published in 2018 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2017.12.009
Abstract: Abstract A detailed understanding of surface interaction between crude oil molecule and calcite can pave a way to explain several fundamental challenges of wettability alteration of calcite surface and hence provide a guidance for further… read more here.
Keywords: surface; oil recovery; calcite surface; crude oil ... See more keywords
Impact of ionic composition on modulating wetting preference of calcite surface: Implication for chemically tuned water flooding
Sign Up to like & getrecommendations! Published in 2019 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2019.02.009
Abstract: Abstract Despite previous researches on ion-engineered waterflooding (IEWF), its underlying mechanisms are not fully understood, particularly in presence of additives, like surfactants. This paper concerned with the contribution of Ca2+, Mg2+, S O 4 2-… read more here.
Keywords: wettability; calcite surface; water; ionic composition ... See more keywords
A positively charged calcite surface model for molecular dynamics studies of wettability alteration.
Sign Up to like & getrecommendations! Published in 2020 at "Journal of colloid and interface science"
DOI: 10.1016/j.jcis.2020.02.037
Abstract: A new model for a positively charged calcite surface was developed to allow realistic molecular dynamics studies of wettability alteration on carbonate rocks. The surface charge was introduced in a manner consistent with the underlying… read more here.
Keywords: studies wettability; surface; model; wettability alteration ... See more keywords
Fused Filament Fabrication 3‐D Printing of Reactive Porous Media
Sign Up to like & getrecommendations! Published in 2020 at "Geophysical Research Letters"
DOI: 10.1029/2020gl087665
Abstract: Understanding the impacts of porous media properties on geochemical reactions is challenging due to the highly heterogeneous nature of natural samples. This work explores the use of 3‐D printing to create synthetic rock samples with… read more here.
Keywords: calcite surface; porous media; fabrication printing; filament fabrication ... See more keywords