Results 21 to 30 of about 24,626 (266)

Molecular Interactions between Asphaltene and Surfactants in a Hydrocarbon Solvent: Application to Asphaltene Dispersion

open access: yesSymmetry, 2020
Heavy oil and bitumen supply the vast majority of energy resources in Canada. Different methods can be implemented to produce oil from such unconventional resources.
M. Ahmadi, Zhangxin Chen
semanticscholar   +1 more source

Investigating the Compatibility of Various Components in Marine Low-Sulfur Fuel Oil by Molecular Dynamics Simulations

open access: yesJournal of Chemistry, 2021
Asphaltene aggregation and precipitation are one of the major issues for marine low-sulfur fuel oil used on board. Many research studies have been carried out to investigate the aggregation behavior of asphaltene under different conditions, but the ...
Daping Zhou   +5 more
doaj   +1 more source

Fractionation and Characterization of Petroleum Asphaltene: Focus on Metalopetroleomics

open access: yes, 2020
Asphaltenes, as the heaviest and most polar fraction of petroleum, have been characterized by various analytical techniques. A variety of fractionation methods have been carried out to separate asphaltenes into multiple subfractions for further ...
Fang Zheng   +4 more
semanticscholar   +1 more source

Effects of Waxes and the Related Chemicals on Asphaltene Aggregation and Deposition Phenomena: Experimental and Modeling Studies

open access: yesACS Omega, 2020
Solid deposition during production, transport, and storage of crude oils leads to significant technical problems and economic losses for the oil and gas industry.
E. Joonaki   +4 more
semanticscholar   +1 more source

Deep Hydrocarbon Cycle

open access: yesGeophysical Monograph Series, Page 329-339., 2020

This book is Open Access. A digital copy can be downloaded for free from Wiley Online Library.

Explores the behavior of carbon in minerals, melts, and fluids under extreme conditions

Carbon trapped in diamonds and carbonate-bearing rocks in subduction zones are examples of the continuing exchange of substantial carbon ...
Vladimir Kutcherov   +3 more
wiley  

+1 more source

Assessing the Interfacial Activity of Insoluble Asphaltene Layers: Interfacial Rheology versus Interfacial Tension.

open access: yesLangmuir, 2020
Asphaltenes have been suggested to play an important role in the remarkable stability of some water-in-crude oil emulsions, although the precise mechanisms by which they act are not yet fully understood.
Alexandra Alicke   +3 more
semanticscholar   +1 more source

Molecular composition of asphaltene in wellbore blockage on the southern margin of Junggar Basin

open access: yesShiyou shiyan dizhi, 2022
Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (FT-ICR MS) was employed to analyze the compositional differences of asphaltene of oil and blockage extracts of well Gaotan 1 on the southern margin of Junggar Basin.
Erting LI   +7 more
doaj   +1 more source

Micromechanism of petroleum asphaltene aggregation

open access: yesPetroleum Exploration and Development, 2008
The periodic molecular structure model of solvent-asphaltene system is constructed using molecular mechanical and molecular dynamical methods. The influences of six kinds of different solvents (Nitrobenzene, Quinoline, Pyridine, 1-methylnaphthalene ...
Gui-wu LU   +4 more
doaj   +1 more source

A Novel Method for Mitigation of Asphaltene Deposition in the Wellstring [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2010
Asphaltene precipitation and deposition is a serious problem in many Iranian fields. The deposited asphaltene results in partial or total blockage of the wellbore and wellstring reducing or completely seizing oil production.
Bahram Soltani Soulgani   +3 more
doaj  

Investigating the Performance of Carboxylate-Alumoxane Nanoparticles as a Novel Chemically Functionalized Inhibitor on Asphaltene Precipitation

open access: yesACS Omega, 2020
In recent years, researchers have attempted to find some practical approaches for asphaltene adsorption and the prevention or postponement of asphaltene precipitation. Among different techniques, nanotechnology has attracted the researchers’ attention to
Saman Bagherpour   +4 more
semanticscholar   +1 more source

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