The authors thank the National Natural Science Foundation of China(Grant No.U20B6003)for their financial support to carry out this research.
China boasts abundant heavy oil resources,which is vital for its energy security.However,its heavy oil typically exhibits high viscosity,which severely hinders its flow and extraction.Enhancing heavy oil flowability i...
funded by a project of the National Natural Science Foundation of China entitled Basic study on mechanisms and key technologies of high efficiency hybrid multi-element thermal recovery in marginal heavy oil reservoirs(No.U20B6003).
Heavy oil represents a vital petroleum resource worldwide.As one of the major producers,China is facing great challenges in effective and economic production of heavy oil due to reservoir complexity.Plenty of efforts ...
supported by a key project of the National Natural Science Foundation of China(No 21938003);the Postdoctoral Foundation of the PetroChina Dagang Oilfield Company(No.2023BO59).
Surfactants are extensively employed in the cold production of heavy oil.However,producing heavy oil emulsions using conventional surfactants poses a challenge to spontaneous demulsification,necessitating the addition...
supported by the Science Foundation of China University of Petroleum(2462019YJRC013).
CO_(2)huff and puff technology can enhance the recovery of heavy oil in high-water-cut stages.However,the effectiveness of this method varies significantly under different geological and fluid conditions,which leads t...
The Petroleum Technology Research Centre (PTRC),MITACS;graduate studies at the University of Regina all provided funding for this study
Surfactant flooding is a well-known chemical approach for enhancing oil recovery.Surfactant flooding has the disadvantage that it cannot withstand the harsh reservoir conditions.Improvements in oil recovery and releas...
supported by the National Key R&D Program of China (2018YFA0702400)。
The primary impediment to the recovery of heavy oil lies in its high viscosity, which necessitates a deeper understanding of the molecular mechanisms governing its dynamic behavior for enhanced oil recovery. However, ...
the financial sponsored by the CNPC Innovation Found(No.2022DQ02-0402);the Natural Science Basic Research Program of Shaanxi(No.2024JC-YBMS-085);Shandong Provincial Postdoctoral Science Foundation(No.SDCX-ZG-202303044);the State Key Laboratory of Heavy Oil Processing(No.SKLHOP202201004,No.SKLHOP202403001);the Graduate Student Innovation and Practical Ability Training Program of Xi'an Shiyou University(No.YCS23213078).
Heavy oil millisecond gas-phase in-line catalytic dehydrogenation over bifunctional catalysts was adopted to produce low-carbon olefins.In this study,the effect of the uncatalyzed reaction composition and distribution...
Acknowledgements Fundamental Research Funds for the Central Universities 2232023G-01,The project was funded by the National Natural Science Foundation of China(NSFC)52003045,Shanghai Frontier Science Research Center for Modern Textiles,Shanghai Sailing Program 20YF1400700,and the Application Fundamental Projects of China National Textile and Apparel Council.
It is a worldwide challenge to achieve an efficient cleaning of heavy oil at ambient temperature.Conventional cleanup methods for high-viscosity oil spills exhibit low absorption efficiency and have severe practical o...
Financial support by project of China Petroleum Engineering Corp., Ltd (CPEC), Study on microstructural regulation of polyacrylate and applying as pour-point depressant for crude oil (2021ZYGC-01-01)。
The gelation of crude oil with high wax and asphaltene content at low temperatures often results in the block of transportation pipeline in Africa. In recent years, it was reported that surface hydrophobicmodified nan...
supported by the Ministry of Science and Higher Education of the Russian Federation under agreement No.075-10-2022-011 within the framework of the development program for a world-class Research Center。
Laboratory modeling of in-situ combustion is crucial for understanding the potential success of field trials in thermal enhanced oil recovery(EOR) and is a vital precursor to scaling the technology for field applicati...