Modelling the effect of the inhibitors on asphaltene precipitation using Flory–Huggins theory [PDF]
Scientific Reports, 2022 Due to the technical, environmental and economic problems caused by asphaltene precipitation, such as oil production reduction, well shut-ins and the necessity of EOR usage, the prediction of asphaltene precipitation seems to be vital.
Farzaneh Eskini +2 more
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Predicting asphaltene precipitation during natural depletion of oil reservoirs by integrating SARA fractions with advanced intelligent models [PDF]
Scientific ReportsAsphaltene precipitation during natural depletion can lead to substantial issues in oil transport and production systems, requiring close assessment of crude oil stability through thermodynamic and structural factors.
Behnam Amiri-Ramsheh +3 more
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Mechanistic understanding of asphaltene precipitation and oil recovery enhancement using SiO2 and CaCO3 nano-inhibitors [PDF]
Scientific ReportsAsphaltene precipitation in oil reservoirs, well equipment, and pipelines reduces production, causing pore blockage, wettability changes, and decreased efficiency.
Ali Shadervan +4 more
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An innovative technique and laboratory protocol for CO2 storage in water disposal wells and monitoring asphaltene deposition [PDF]
Scientific ReportsInjecting CO2 into water-disposal wells is a promising strategy for geological carbon storage. However, this process can destabilize asphaltenes in residual oil blobs—primarily of the emulsified type – trapped within trapped in the porous rock, leading ...
Ehsan Jafarbeigi, Shahab Ayatollahi
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Prediction of asphaltene precipitation during CO2 injection
Petroleum Exploration and Development, 2010 Aimed at the possible phenomenon of asphaltene precipitation during CO2 injection, the equation of state established by Anderko was introduced to describe the phase behavior of precipitated asphaltene because of its strong polarity.
Huang Lei +5 more
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Journal of EngineeringAsphaltenes' solubility in crude oils is frequently affected by temperature, pressure, and oil composition changes. This could lead to the precipitation and deposition of asphaltene in various parts of the total production system, which would cause a ...
Ali A. Ali, Ghassan H. Abdul-Majeed
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An Investigation of the Asphaltene Effect on Wax Precipitation of Iran Asmari Reservoir Dead Crude Oil [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2023 Wax and asphaltene precipitations cause many problems and high costs in the petroleum industry; therefore, the significance of studying these depositions' behavior is considerable.
Elnaz Khodapanh +2 more
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Investigation of Asphaltene Precipitation Using Response Surface Methodology Combined with Artificial Neural Network [PDF]
Journal of Chemical and Petroleum Engineering, 2019 The precipitation of asphaltene, one of the components of oil, in reservoirs, transfer lines, and equipment causes many problems. Accordingly, researchers are prompted to determine the factors affecting asphaltene precipitation and methods of avoiding ...
Zeinab Hosseini-dastgerdi +1 more
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Dispersion potential of asphaltene in live oil by nanoparticles
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
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Geofluids, 2021 Asphaltene deposition is a common phenomenon during CO2 flooding in ultralow permeability reservoirs. The deposited asphaltene occupies the pore volume and decreases permeability, resulting in serious formation damage and pore well productivity.
Li Rong-tao +6 more
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