Results 11 to 20 of about 18,552 (210)
Bitumen Emulsion-Mineral Surface Interactions: An NMR Study on the Interface Layer Composition. [PDF]
Magn Reson ChemWe describe a 1H NMR approach to study the interface layer formed by a specified bitumen emulsion in the presence of non‐magnetic as well as magnetic minerals. This approach is based on the consecutive flushing off “bulky” components of the bitumen emulsion and the following extraction of the surface layer material, which can then be analyzed by NMR ...
Filippov A, Soenen H, Antzutkin ON.
europepmc +2 more sources
Fuel Communications, 2023 Injection of natural/associated gas is widely used as an efficient method of enhanced oil recovery in carbonate oil reservoirs in both miscible and immiscible conditions. Due to reservoir oil compositional changes by injected gas, asphaltenes instability
Saber Mohammadi, Fatemeh Mahmoudi Alemi
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Geophysical 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
Georesursy, 2018 NMR spectroscopy in combination with elemental analysis was used to study asphaltenes in biodegraded oils from Cenomanian pools of West Siberia. The sampling depths vary from 680 to 1800 m, formation temperatures – from 40°C to 70°C.
L.S. Borisova, E.A. Fursenko
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Scientific Reports, 2022 Asphaltenes from bitumen are abundant resource to be transformed into carbon as promising supercapacitor electrodes, while there is a lack of understanding the impact from different fractions of bitumen and asphaltenes, as well as the presence of ...
Dinesh Mishra +6 more
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Dyna, 2016 This study aims to evaluate the effect of surface acidity of fumed silica nanoparticles in adsorption and subsequent thermal cracking of Colombian asphaltenes.
Camilo Andrés Franco-Ariza +2 more
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Oil & Gas Science and Technology, 2006 Crude oils contain a variety of components - including asphaltenes - that can adsorb onto mineral surfaces and alter wetting. What distinguishes the asphaltenes from other constituents of an oil is their tendency to aggregate and even separate from the ...
Buckley J. S.
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Oil & Gas Science and Technology, 2006 Les produits lourds du pétrole (résines et asphaltènes) jouent un rôle important dans les problèmes de formation des gisements de pétrole, de récupération assistée - en particulier des pétroles lourds -, de traitement et même d'utilisation des produits ...
Tissot B.
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A Study on the Adsorption and Catalytic Oxidation of Asphaltene onto Nanoparticles [PDF]
Journal of Petroleum Science and Technology, 2017 The use of nanoparticles, including metal oxide surfaces, as asphaltene adsorbents is a potential method of removing and/or upgrading asphaltenes. The adsorption of two asphaltene types, extracted from two types of Iranian crude oil, onto nanoparticles ...
Alireza Solaimany nazar, Fatemeh Amin
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Method for Judging the Stability of Asphaltenes in Crude Oil
ACS Omega, 2020 The colloidal instability index (CII) has been widely used for testing the stability of asphaltenes as a classical method. In this study, five oil samples were tested by the CII method; the results obtained greatly differ from the real field results.
R. Xiong +6 more
semanticscholar +1 more source