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 
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 
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 
Co-adsorption behavior of aggregated asphaltenes and silica nanoparticles at oil/water interface and its effect on emulsion stability被引量：1
《Petroleum Science》2022年第4期1793-1802,共10页Guang-Yu Sun Hao Zhang Dai-Wei Liu Chuan-Xian Li Fei Yang Bo Yao Ze Duan Xin-Ya Chen Fu-Jun Sheng 
Support from the National Natural Science Foundation of China(Grant No. 51704315)。
In petroleum industry, crude oil emulsions are commonly formed in oilfields. The asphaltenes and fine particles in crude oil may affect the stability of the emulsions by adsorbing at the water/oil interface. In this r...
关键词：ASPHALTENE Silica nanoparticle Co-adsorption behavior Modification effectiveness Emulsion stability 
Influence of sulfate on the generation of bitumen components from kerogen decomposition during catagenesis被引量：2
《Petroleum Science》2021年第6期1611-1618,共8页Jia Wu Wen Qi Fu-Jie Jiang Qing-Yong Luo Chun-Lin Zhang Huan-Zhen Hu Zi Wang Qi-Sheng Ma Yong-Chun Tang 
supported by National Natural Science Foundation of China (No. 41403049);the Foundation of State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum (Beijing) (No. PRP/indep-3-1715);National Science and Technology Major Project during the 13th Five-Year Plan Period (2016ZX05007-002)。
High-quality source rocks in saline lacustrine or marine sedimentary environments often show early peak petroleum generation and enhanced hydrocarbon yields,which have conventionally been attributed to organosulfur-en...
关键词：SULFATE KEROGEN Thermal decomposition Resins and asphaltenes Redox reactions 
The composition of acid/oil interface in acid oil emulsions被引量：1
《Petroleum Science》2020年第5期1345-1355,共11页Yulia M.Ganeeva Tatiana N.Yusupova Ekaterina E.Barskaya Alina Kh.Valiullova Ekaterina S.Okhotnikova Vladimir I.Morozov Lucia F.Davletshina 
In well stimulation treatments using hydrochloric acid,undesirable water-in-oil emulsion and acid sludge may produce and then cause operational problems in oil field development.The processes intensify in the presence...
关键词：Acid emulsions Ferric cations Acid/oil interface ASPHALTENES Resins Waxes Oil paramagnetic particles Fe(Ⅲ)-based complexes 
Role of the porphyrins and demulsifiers in the aggregation process of asphaltenes at water/oil interfaces under desalting conditions:a molecular dynamics study被引量：1
《Petroleum Science》2020年第3期797-810,共14页H.Santos Silva A.Alfarra G.Vallverdu D.Bégué B.Bouyssiere I.Baraille 
the DN (Direction du Numé-rique) from Universitéde Pau et des Pays de l’Adour,MCIA (Mésocentre de Calcul Intensif Aquitain),GENCI-CINES (Grant 2017-c2016087698) for providing the computation power needed for this project;Isifor-Carnot Institute and Total Refining&Chemicals are also acknowledged for their financial support to this research project
Breaking water-in-oil emulsions during the refining of crude oils is an important step before any upgrading process is started.Asphaltene molecules are incriminated as playing an important role in this phenomenon.Unra...
关键词：Asphaltenes aggregation Petroporphyrins Molecular dynamics Emulsion Water-oil interface DEMULSIFIERS 
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