ASPHALTENES

作品数：44被引量：54H指数：3
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Probing the interaction between asphaltene-wax and its effects on the crystallization behavior of waxes in heavy oil via molecular dynamics simulation
《Petroleum Science》2024年第4期2839-2848,共10页Yong Hu Xi Lu Hai-Bo Wang Ji-Chao Fang Yi-Ning Wu JianFang Sun 
financially supported by the Project funded by China Postdoctoral Science Foundation (NO.2022M723500);the National Natural Science Foundation of China (NO.52204069);the Sinopec Science and Technology Project of China (NO.P22015)。
High content of asphaltenes and waxes leads to the high pour point and the poor flowability of heavy oil,which is adverse to its efficient development and its transportation in pipe.Understanding the interaction mecha...
关键词：Heavy oil Interaction mechanism ASPHALTENES Waxes Molecular dynamics 
Study of asphaltene reaggregation in toluene/heptane mixture by dynamic and static light scattering
《Petroleum Research》2024年第1期48-54,共7页Vladimir N.Kuryakov 
The author of the article would like to thank Alexey D.Yapryntsev(Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences)for studying the samples by scanning electron microscopy.The author thanks the staff of the A.E.Arbuzov Institute of Organic and Physical Chemistry,“Kazan Scientific Center of Russian Academy of Sciences”,laboratory of Chemistry and Geochemistry of Petroleum and organizers of International Conference on Petroleum Phase Behavior&Fouling“PetroPhase2017”for providing samples of asphaltenes and resins.This work was performed within the framework of the state task(by Ministry of Science and Higher Education of the Russian Federation)of the Oil and Gas Research Institute of Russian Academy of Sciences(Project No.122022800364-6).
This paper presents the study of the effect of multiple ultrasonic impacts on submicron asphaltene aggregates in a toluene/heptane solution,conducted with dynamic light scattering technique.The objects of the study we...
关键词：ASPHALTENES AGGREGATION Sonication Dynamic light scattering Re-aggregation Colloidal stability Resins 
n-Alkane bound biomarker fingerprints from asphaltenes in the bitumens of Eastern Dahomey Basin,Nigeria:Source and genetic implications
《Petroleum Research》2024年第1期85-91,共7页Modupe A.Egbeola Olubunmi C.Adeigbe Olajide J.Adamolekun 
The authors acknowledge the Nigerian Geological Survey Agency(NGSA)which made available core samples(from shallow exploration wells in the bitumen belt of Eastern Dahomey Basin)used for this study.Flash pyrolysis-gas chromatography(Py-GC)analyses were performed at the Geochemistry Laboratory of Newcastle University,United Kingdom.
The asphaltene fractions of the bitumens of Eastern Dahomey Basin in Nigeria,were analyzed by flash pyrolysis-gas chromatography(Py-GC)method in order to unravel its geochemical history and properties.The distribution...
关键词：Genetic relationship Flash pyrolysis BIOMARKER ASPHALTENE Pyrolysates 
Numerical Simulation of Asphaltene Precipitation and Deposition during Natural Gas and CO_(2) Injection
《Fluid Dynamics & Materials Processing》2024年第2期275-292,共18页Shasha Feng Yi Liao Weixin Liu Jianwen Dai Mingying Xie Li Li 
funded by CNOOC Production Research Project(CCL2022SZPS0076).
Asphaltene deposition is a significant problem during gas injection processes,as it can block the porous medium,the wellbore,and the involved facilities,significantly impacting reservoir productivity and ultimate oil re...
关键词：Reservoir simulation asphaltenes deposition natural gas injection CO_(2)injection 
The influence of composition of asphaltenes of different genesis on the properties of carbon materials manufactured from them by plasma processing
《Petroleum Science》2023年第6期3830-3840,共11页Evgeniya Frantsina Yuliya Petrova Valentina Arkachenkova Andrey Grin'ko Alexander Pak Pavel Povalyaev Dmitry Zelentsov Kirill Cherednichenko 
funded by a grant from the Russian Science Foundation(Project No.22-13-20016);carried out at the Surgut State University and Tomsk Polytechnic University.
The results of experimental studies of carbon materials, which are formed in the plasma of a direct current (DC) arc discharge initiated in open air from the asphaltenes of different origins, extracted from the natura...
关键词：ASPHALTENES Natural asphaltite Carbon materials NANOMATERIALS Plasma treatment GRAPHITE 
Characteristics Evaluation of Modern Bituminous Binders in Group Hydrocarbon Composition and Their Application in Construction
《Materials Sciences and Applications》2023年第8期407-415,共9页Vasily Koshkarov Ilya Shunyaev Evgeny Koshkarov 
The article is the result of theoretical and experimental studies aimed at determining the structural groups of modern bituminous materials in order to assess the raw materials, production technology, rational directi...
关键词：Bitumen TAR CONSTRUCTION WATERPROOFING Oil Refining Group Hydrocarbon Composition Viscosity ASPHALTENES 
The deposition of asphaltenes under high-temperature and highpressure (HTHP) conditions被引量：3
《Petroleum Science》2023年第1期611-618,共8页Rui-Ying Xiong Ji-Xiang Guo Wyclif Kiyingi Hai-Xia Xu Xin-Peng Wu 
This work was supported by the National Natural Science Foundation of China(No.52174047);the China Scholarship Council(No.202106440102);the PetroChina Strategic Cooperation Science and Technology Project(No.ZLZX 2020-01).
In this work,the factors affecting asphaltenes deposition in high-temperature and high-pressure wells were studied using backscattered light and PVT equipment customized to suit the well conditions.In an examination o...
关键词：HTHP reservoir ASPHALTENE AGGREGATION Gas-oil ratio HTHP PVT cell Back-scattered light 
Effect of existence state of asphaltenes on the asphaltenes-wax interaction in wax deposition
《Petroleum Science》2023年第1期507-514,共8页Yun Lei Han Wang Shuang-Shuang Li Xue-Qian Liu Hao-Ran Zhu Yu-Ming Gao Hao-Ping Peng Peng-Fei Yu 
This work was supported by the National Natural Science Foundation of China(Grant No.52174057);the Science and Technology Project of Changzhou City(Grant No.CJ20210136);the General Project of Natural Science Research in Jiangsu Universities(Grant No.20KJB440004);the Science and technology program of Changzhou University(Grant No.ZMF22020068).
Asphaltenes are the most elusive substances in waxy crude oil,especially the complex structures,which leads to significant precipitation and aggregation characteristics of asphaltenes,and affects the asphaltenes-wax i...
关键词：ASPHALTENES Precipitation/aggregation Existence state of asphaltenes Deposition 
Spatially resolved micron-scale wrinkle structures at asphaltene films induced by mild thermal treatment and its impact on emulsion stability被引量：1
《Petroleum Science》2022年第6期3107-3115,共9页Qiang Chen Hui-Jie Yang He Liu Yi Liu Dong-Feng Zhao 
supported by National Natural Science Foundation of China(52004266);the Opening Fund of State Key Laboratory of Heavy Oil Processing(SKLOP202001001);the Key R&D Program of Shandong,China(2019JZZY020502);independent innovation project of China University of Petroleum(21CX06008A)
Mild thermal treatment is an important partial upgrading technique to enable bitumen pipeline transportation,but no attention has been paid to the impact of mild thermal treatment on the emulsification behavior of eme...
关键词：ASPHALTENES Interfacial film Emulsion stabilizing capacity Mild thermal treatment 
Performance improvement of Ethylene-Vinyl Acetate Copolymer Pour Point Depressant(EVA PPD)by adding small dosages of Laurylamine(LA)被引量：1
《Petroleum Science》2022年第5期2472-2482,共11页Xue Xia Chuan-Xian Li Guang-Yu Sun Ke-Ke Zhao Jie Zhang Bo Yao Fei Yang 
financially supported by the National Natural Science Foundation of China(grant number 51774311,51904327);China Postdoctoral Science Foundation(grant number 2019TQ0354,2019M662468)。
Lauramine is widely considered to be an asphaltene flocculant,but its effect on the modification of crude oil by PPDs has been little studied.In this paper,the effect of LA dosage on the rheology improvement of EVA PP...
关键词：Waxy crude oil EVA PPD Laurylamine ASPHALTENES Synergistic effect 
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