Results 1 to 10 of about 23,867 (262)
Chemical study of asphaltene inhibitors effects on asphaltene precipitation of an Iranian oil field
Oil & Gas Science and Technology, 2020 The amount of precipitated asphaltene can be considerably reduced with pretreatment of asphaltene inhibitor, in the crude oil. Efficiency of asphaltene inhibitors mainly depends on some parameters such as pH of the oil and the chemical structure of ...
Ahmadbaygi Afshar +4 more
doaj +2 more sources
Journal 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 +2 more sources
Catecholamine Coated Maghemite Nanoparticles for Asphaltene Adsorption/Desorption Process [PDF]
Journal of Chemical and Petroleum Engineering, 2021 In this study, a nano-layer polydopamine (PDA) coated superparamagnetic maghemite nanoparticles (MNPs) was applied to investigate the asphaltene adsorption-desorption behavior using a model solution.
Behruz Mirzayi +3 more
doaj +1 more source
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
doaj +2 more sources
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
doaj +3 more sources
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
doaj +1 more source
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
doaj +1 more source
Journal 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
Molecular composition of asphaltene in wellbore blockage on the southern margin of Junggar Basin
Shiyou 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
Investigation into mechanisms and kinetics of asphaltene aggregation in toluene/n-hexane mixtures
Petroleum 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