Results 41 to 50 of about 23,867 (262)

Experimental investigation of surface activity, micellization behaviour, and enhanced oil recovery performance of saponin‐based green surfactants

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
This graphical abstract illustrates the steps carried out in the laboratory study, including saponin modification and characterization, surface tension, interfacial tension, contact angle, adsorption, and surfactant injection tests. Abstract In this study, three forms of saponin surfactants extracted from the Camellia sinensis plant (CS1, CS2, and CS3)
Iman Nowrouzi   +2 more
wiley   +1 more source

Crude oil viscosity reduction using TiO2, MgO, and Al2O3 nanoparticles

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Summary of the laboratory procedures, viscosity test conditions, obtained results, and viscosity trends based on the investigated parameters. Abstract The viscosity of crude oil plays a crucial role in enhancing oil recovery and flow efficiency within well columns and pipelines.
Iman Nowrouzi   +2 more
wiley   +1 more source

Simulation of Asphaltene Aggregation through Molecular Dynamics: Insights and Limitations

open access: yes, 2017
We report classical atomistic molecular dynamics simulations of four structurally diverse model asphaltenes, a model resin, and their respective mixtures in toluene or heptane under ambient conditions.
T. Headen   +4 more
semanticscholar   +1 more source

Liquid–liquid equilibrium studies of n‐butane–bitumen system with application to solvent‐aided in situ bitumen recovery

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract Solvent‐assisted recovery methods have gained attention as an alternative to conventional thermal methods which have significant environmental drawbacks and high greenhouse gas emissions. Solvent‐assisted recovery methods can lead to various phase equilibria, such as vapour–liquid equilibrium (VLE) and liquid–liquid equilibrium (LLE), under ...
Amr Mahgoub   +3 more
wiley   +1 more source

Mitigating Asphaltene Deposition in CO2 Flooding with Carbon Quantum Dots

open access: yesEnergies
Carbon capture, utilization, and storage (CCUS) technology has emerged as a pivotal measure in mitigating global climate change. Notably, CO2-EOR is esteemed for its dual function of sequestering CO2 and enhancing oil recovery.
Qi Liu   +7 more
doaj   +1 more source

Multiphase flow modeling of asphaltene precipitation and deposition

open access: yesOil & Gas Science and Technology, 2018
Asphaltene precipitation in reservoirs during production and Enhanced Oil Recovery (EOR) can cause serious problems that lead to reduction of reservoir fluid production.
Tabzar Amir   +4 more
doaj   +1 more source

Adsorption behavior of asphaltene molecules on rock surface: A molecular dynamic study [PDF]

open access: yesE3S Web of Conferences
Asphaltene deposition on rock surface seriously affects oil recovery efficiency. Molecular dynamics simulation method is used to study the difference in the adsorption behavior of asphaltene molecules on quartz surface, which will help to improve the in ...
Chen Sihang   +7 more
doaj   +1 more source

Resonance‐induced restoration of rock permeability degraded by heavy components of crude oil

open access: yesDeep Underground Science and Engineering, EarlyView.
Resonance‐induced changes occur in filtration properties of sedimentary rocks in crude paraffin oil flow under acoustic vibrations. Experimental data on (a) pressure drop; (b) permeability; (c) pressure at the rock inlet; and (d) pressure at the rock outlet are presented.
Evgenii Riabokon   +6 more
wiley   +1 more source

Influence of asphaltene deposition on oil seepage characteristics

open access: yes地质科技通报, 2021
Asphaltene deposition not only damages reservoir physical properties, but also affects fluid saturation distribution and seepage characteristics.The oil-water, oil-gas and three-phase relative permeability curves with or without asphaltene deposition ...
Xinwen Li, Guowei Zhang
doaj   +1 more source

From Coal-Heavy Oil Co-refining Residue to Asphaltene-Based Functional Carbon Materials

open access: yesACS Sustainable Chemistry and Engineering, 2019
Asphaltene-based carbon fiber, needle coke, and porous carbon nanosheets were synthesized using the extracted asphaltene from coal-heavy oil co-refining residue.
Fangfang Qin   +6 more
semanticscholar   +1 more source

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