A review on asphaltenes characterization by X-ray diffraction: Fundamentals, challenges, and tips
Z Sadeghtabaghi, AR Rabbani… - Journal of Molecular …, 2021 - Elsevier
Asphaltenes with complicated molecular structures consist of many aromatic portions, alkyl
chains, and different functional groups. Various methods can determine their average …
chains, and different functional groups. Various methods can determine their average …
Experimental measurement and modeling of asphaltene adsorption onto iron oxide and lime nanoparticles in the presence and absence of water
Asphaltene precipitation and its adsorption on different surfaces are challenging topics in
the upstream and downstream of the oil industries and the environment. In this research, the …
the upstream and downstream of the oil industries and the environment. In this research, the …
Characteristics of products of thermal and catalytic cracking of heavy oil asphaltenes under supercritical water conditions
NN Sviridenko, AS Akimov - The Journal of Supercritical Fluids, 2023 - Elsevier
This work deals with the reactivity and structural changes of asphaltenes during cracking in
supercritical water using water-soluble salts Co and Ni. Cracking of the asphaltenes was …
supercritical water using water-soluble salts Co and Ni. Cracking of the asphaltenes was …
Role of asphaltene in stability of water-in-oil model emulsions: The effects of oil composition and size of the aggregates and droplets
A Velayati, A Nouri - Energy & Fuels, 2021 - ACS Publications
Water-in-oil (W/O) emulsions are the most common type of emulsions handled in petroleum
processes. It is thought that the field emulsions are primarily stabilized by asphaltene–resin …
processes. It is thought that the field emulsions are primarily stabilized by asphaltene–resin …
A new insight to the assessment of asphaltene characterization by using fortier transformed infrared spectroscopy
Z Taherian, AHS Dehaghani, S Ayatollahi… - Journal of Petroleum …, 2021 - Elsevier
This research aims to present asphaltene fraction of oil by FTIR spectrum technique. For this
purpose, three different oil samples with various SARA contents and almost identical API …
purpose, three different oil samples with various SARA contents and almost identical API …
Synthesis and evaluation of a hyperbranched copolymer as viscosity reducer for offshore heavy oil
L Shi, C Liu, M Chen, Z Hua, Z Ye, J Zhang - Journal of Petroleum Science …, 2021 - Elsevier
As is well known, resin and asphaltene greatly increase the viscosity of the oil, which causes
difficulty for heavy oil to flow and to be displaced. Therefore, reducing the viscosity of heavy …
difficulty for heavy oil to flow and to be displaced. Therefore, reducing the viscosity of heavy …
Polymer surfactants as viscosity reducers for ultra-heavy oil: Synthesis and viscosity reduction mechanism
X Zhang, J Guo, D Fei, L Wang, Z Peng, J Li, J Dong - Fuel, 2024 - Elsevier
Polymeric surfactants have poor viscosity-reducing effect and little adaptability on ultra-
heavy oils. We synthesized a novel polymeric surfactant, named PAMOs, by introducing 2 …
heavy oils. We synthesized a novel polymeric surfactant, named PAMOs, by introducing 2 …
Evaluation of asphaltene adsorption on minerals of dolomite and sandstone formations in two and three-phase systems
MR Mohammadi, H Bahmaninia… - Advances in Geo …, 2021 - ager.yandypress.com
Asphaltene adsorption on reservoir rock minerals causes wettability alteration and pore
plugging which subsequently reduces crude oil production. Also, it has a negative effect on …
plugging which subsequently reduces crude oil production. Also, it has a negative effect on …
Experimental and DFT studies on the effect of carbon nanoparticles on asphaltene precipitation and aggregation phenomena
FM Alemi, S Mohammadi, SAM Dehghani… - Chemical Engineering …, 2021 - Elsevier
In this study, a new class of carbon nanoparticles (CNPs) is synthesized for
inhibition/dispersion of asphaltene precipitation and aggregation in unstable crude oil. The …
inhibition/dispersion of asphaltene precipitation and aggregation in unstable crude oil. The …
An experimental study of the effects of bacteria on asphaltene adsorption and wettability alteration of dolomite and quartz
The adsorption of asphaltene on the rock surface and the changes in its wettability are very
relevant issues in flow assurance and oil recovery studies, and for carbonate reservoirs, they …
relevant issues in flow assurance and oil recovery studies, and for carbonate reservoirs, they …