Results 11 to 20 of about 23,014 (223)

Dispersion potential of asphaltene in live oil by nanoparticles

open access: yes地质科技通报, 2023
Objective In order to clarify the effect and mechanism of nanoparticles on inhibiting asphaltene precipitation in formation live oil formation under high temperature and high pressure.
Zhuanying Zhan, Jun Ni
doaj   +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

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

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

Characterization of the Structure of Saudi Crude Asphaltenes by X-ray Diffraction [PDF]

open access: yes, 1997
Structural characterization studies have been carried out on four commercial Saudi Arabian crude oils. The aromaticity and crystallite parameters of the asphaltenes were studied by X-ray diffraction methods and compared to the average structural ...
Ali, Mohammad F.   +2 more
core   +5 more sources

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

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

Asphaltene detection using Surface Enhanced Raman Scattering (SERS) [PDF]

open access: yes, 2015
Peer ...
Alabi, O. O.   +6 more
core   +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

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