Asphaltene precipitation and deposition: A critical review

I Mohammed, M Mahmoud, D Al Shehri… - Journal of Petroleum …, 2021 - Elsevier
Asphaltene deposition in the reservoirs, tubbing, and surface facilities causes serious flow
assurance problems with significant economic implications. Asphaltene flow assurance …

A review of oil–solid separation and oil–water separation in unconventional heavy oil production process

X Xia, J Ma, S Geng, F Liu, M Yao - International Journal of Molecular …, 2022 - mdpi.com
Unconventional heavy oil ores (UHO) have been considered an important part of petroleum
resources and an alternative source of chemicals and energy supply. Due to the …

Distributed properties of asphaltene nanoaggregates in crude oils: A review

MR Gray, HW Yarranton, ML Chacon-Patino… - Energy & …, 2021 - ACS Publications
The molecules in petroleum asphaltenes follow a molecular structure continuum similar to
the rest of the oil but differ in the formation of nanoaggregates in solution. The nature of the …

Calcite–Brine Interface and Its Implications in Oilfield Applications: Insights from Zeta Potential Experiments and Molecular Dynamics Simulations

I Mohammed, S Abdel-Azeim, DA Shehri… - Energy & …, 2022 - ACS Publications
Carbonate reservoirs are made up of predominantly calcite and dolomite minerals and hold
significant hydrocarbon reserves globally. However, the production from carbonate …

Understanding asphaltene fraction behavior through combined quartz crystal resonator sensor, FT-ICR MS, GPC ICP HR-MS, and AFM characterization. Part I …

N Acevedo, R Moulian, ML Chacón-Patiño… - Energy & …, 2020 - ACS Publications
Multiscale characterization of asphaltenes and their extrography fractions titrated with n-
heptane was performed. Chemical characterization via FT-ICR MS and GPC ICP HR-MS …

Thermal analysis coupled to ultrahigh resolution mass spectrometry with collision induced dissociation for complex petroleum samples: heavy oil composition and …

CP Rüger, A Neumann, M Sklorz, T Schwemer… - Energy & …, 2017 - ACS Publications
Thermal desorption and pyrolysis of various heavy oils and asphaltenes (precipitated with
different paraffinic solvents) were studied. For this purpose evolved gas analysis was …

Toward predictive molecular dynamics simulations of asphaltenes in toluene and heptane

AD Glova, SV Larin, VM Nazarychev, JM Kenny… - ACS …, 2019 - ACS Publications
The conventional definition of asphaltenes is based on their solubility in toluene and their
insolubility in heptane. We have utilized this definition to study the influence of partial charge …

Formation of noncovalent complexes between complex mixtures of polycyclic aromatic hydrocarbons (asphaltenes) and substituted aromatics studied by fluorescence …

T Faisal, KM Solntsev, T Kahs, N Saleh… - Energy & …, 2021 - ACS Publications
Quantification of the formation of molecular complexes between simple organic aromatic
molecules is straightforward for pure components of definite composition; however, it …

Behavior comparison of films of Mexican bitumen and its asphaltene and maltenes fractions at interfaces

MA Zúñiga-Hinojosa, A Cosultchi… - Fuel, 2022 - Elsevier
The oil industry has been focused on bitumens and heavy oils due to the depletion of
petroleum reservoirs. For this reason, we studied the interfacial behavior comparison of films …

Photocatalytic activity of reduced graphene oxide–gold nanoparticle nanomaterials: interaction with asphaltene and conversion of a model compound

MLO Pereira, D Grasseschi, HE Toma - Energy & Fuels, 2017 - ACS Publications
Asphaltenes are residual materials from the oil industry and are usually converted, after
exhaustive distillation, into coke and asphalt. However, conversion of asphaltenes into more …