Results 11 to 20 of about 2,348 (179)

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

An experimental investigation of asphaltene stability in heavy crude oil during carbon dioxide injection

open access: yesJournal of Petroleum Exploration and Production Technology, 2019
Carbon dioxide (CO2) injection is one of the most applied enhanced oil recovery methods in the hydrocarbon industry, since it has the potential to increase oil recovery significantly and can help reduce greenhouse gases through carbon storage in ...
Sherif Fakher   +3 more
doaj   +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

Investigation into mechanisms and kinetics of asphaltene aggregation in toluene/n-hexane mixtures

open access: yesPetroleum Science, 2019
Determining the rate of asphaltene particle growth is one of the main problems in modeling of asphaltene precipitation and deposition. In this paper, the kinetics of asphaltene aggregation under different precipitant concentrations have been studied. The
Bahram Soltani Soulgani   +2 more
doaj   +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 Numerical Simulation Study on the Kinetics of Asphaltene Particle Flocculation in a Two-dimensional Shear Flow [PDF]

open access: yesIranian Journal of Oil & Gas Science and Technology, 2019
In the current study, the kinetics of asphaltene particle flocculation is investigated under a shear flow through numerical simulation. The discrete element method (DEM) is coupled with computational fluid dynamics (CFD) to model the agglomeration and ...
Hadi Bagherzadeh   +2 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  

Asphaltene Precipitation Investigation Using a Screening Techniques for Crude Oil Sample from the Nahr-Umr Formation/Halfaya Oil Field

open access: yesIraqi Journal of Chemical and Petroleum Engineering, 2023
Many oil and gas processes, including oil recovery, oil transportation, and petroleum processing, are negatively impacted by the precipitation and deposition of asphaltene. Screening methods for determining the stability of asphaltenes in crude oil have
Moammed A. Ahmed   +2 more
doaj   +1 more source

Asphaltene Precipitation Modeling of Sadi Formation in Halfaya Iraqi Oil Field

open access: yesJournal of Engineering, 2019
Asphaltene is a component class that may precipitate from petroleum as a highly viscous and sticky material that is likely to cause deposition problems in a reservoir, in production well, transportation, and in process plants.
Ali Anwar Ali   +2 more
doaj   +1 more source

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