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New Trends in Oil and Gas Security and energy Transition

China Oil & Gas 2024年第3期31卷 3-12页

作者： Sun Longde Zhang Pengcheng Jiang Hang Wang Zugang China National Petroleum corporation CNPC Economics&technology Research Institute Research Institute of Petroleum Exploration&Development

The report on the 20th National Congress of the Communist Party of China proposes promoting green development,advancing harmonious coexistence between humans and nature,and ensuring energy *** COP282023,existing climate targets were reinforced,and a fresh accord was reached for scientifically achieving net-zero carbon *** global energy market is being transformed,with oil and gas regaining prominence in energy *** are concentrating on core competencies amidst transitions,though upstream investments show a gradual *** global carbon dioxide capture and storage(CCS)projects has witnessed a significant rise,with Direct Air Capture(DAC)technology gaining *** dioxide Capture,Utilization,and Storage(CCUS)is essential as a foundational technology for achieving dual carbon *** light of global future development goals and China’s national conditions,this article discusses the evolving trends in the international oil and gas sector alongside China’s domestic energy security *** proposes prospective trajectories for the growth of China’s oil and gas sector and measures to guide and respond to challenges during the energy transition process,providing references for decision-making in the transformation of oil and gas *** has a high level of energy self-sufficiency,with the overall energy security situation remaining ***’s oil and gas sector is seeing three-pronged progress:deepening exploration to 10,000s of meters,nano-level reservoir description,and reviving mature fields for a new *** on deep layer,deepwater,unconventional and mature oilfields,strengthening Belt and Road energy partnerships,enlarging reserves,optimizing pipeline network layout,implementing a smart risk-management ecosystem,and driving the CCUS technology revolution.

关键词： companies Transition deepening

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Fusion and one-neutron stripping process for ^(6)Li+^(94)Zr system around the Coulomb Barrier

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Chinese Physics C 2024年第9期48卷 133-141页

作者： Xuedou Su Guangxin Zhang Shipeng Hu Peiwei Wen H.O.Soler Gaolong Zhang Boshuai Cai Cenxi Yuan J.L.Ferreira Zhenwei Jiao Mingli Wang Xiaoyu Wang Zhen Huang Huanqiao Zhang Chunlei Zhang Xiaoguang Wu Yun Zheng Congbo Li Tianxiao Liand J.Lubian School of Physics Beihang UniversityBeijing 100191China Sino-French Institute of Nuclear Engineering and technology Sun Yat-sen UniversityZhuhai 519082China Institute for Advanced Study in Nuclear energy&Safety Shenzhen UniversityShenzhen 518060China Shenzhen Key Laboratory of Research and Manufacture of High Purity Germanium Materials and Fetectors Shenzhen UniversityShenzhen 518060China China Institute of Atomic energy Beijing 102413China Instituto de Física Universidade Federal FluminenseNiterói 24210-340Rio de JaneiroBrazil State Key Laboratory of Radiation Medicine and Protection School of Radiation Medicine and ProtectionSoochow UniversitySuzhou 215123China The Key Laboratory of Beam technology and Material Modification of Ministry of Education College of Nuclear Science and TechnologyBeijing Normal UniversityBeijing 100875China

The complete and incomplete fusion cross section as well as one-neutron stripping process of ^(6)Li+^(94)Zr system were measured at the energies around the Coulomb barrier by onlineγ-ray *** addition to a 30%suppression factor when compared with the measured total fusion process,the complete fusion cross section in ^(6)Li+^(94)Zr system was observed to be significantly lower than those in the nearby ^(6)Li+^(90,96)Zr *** new experimental result implies that the coupling with breakup channel in the ^(6)Li-induced fusion processes can be affected by the inner structure of the target,which is still not clear in any available model *** the one-neutron stripping process,the direct production cross sections for each level in 95Zr were extracted and compared with the coupled reaction channel calculation,offering a unique opportunity to examine the single-particle nature of the produced excited *** the fact that an overall overestimation of the production cross section for 954-keV and1618-keV levels was observed in the comparison,further investigation is highly demanded in order to understand the full reaction mechanism for the one-neutron stripping process induced by ^(6)Li.

关键词： weakly bound nuclei complete fusion incomplete fusion transfer reaction

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Technological advancement and industrialization path of Sinopec in carbon capture,utilization and storage,China

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energy Geoscience 2024年第1期5卷 204-211页

作者： Yang Li Rui Wang Qingmin Zhao Zhaojie Xue China Petroleum&Chemical corporation Beijing100728China Sinopec Exploration&Production Research Institute Beijing100083China

Carbon capture,utilization and storage(CCUS)technology is an important means to effectively reduce carbon emissions from fossil energy combustion and industrial *** the crisis of climate change,CCUS has attracted increasing attention in the *** technology as developed rapidly in China is technically feasible for large-scale application in various *** R&D and demonstration of CCUS in China Petroleum&Chemical corporation(Sinopec)are summarized,including carbon capture,carbon transport,CO_(2)enhanced energy recovery(including oil,gas,and water,etc.),and comprehensive utilization of CO_(2).Based on the source-sink matching characteristics in China,two CCUS industrialization scenarios are proposed,namely,CO_(2)-EOR,CO_(2)-driven enhanced oil recovery using centralized carbon sinks in East China and CO_(2)-EWR,CO_(2)-driven enhanced water recovery(EWR)using centralized carbon sources from the coal chemical industry in West ***,a CCUS industrialization path from Sinopec's perspective is suggested,using CO_(2)-EOR as the major means and CO_(2)-EWR,CO_(2)-driven enhanced gas recovery(CO_(2)-EGR)and other utilization methods as important supplementary means.

关键词： Carbon capture Transport Enhanced energy recovery Comprehensive utilization Industrialization path

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Achieving strength-ductility synergy in novel paramagnetic Fe-based medium-entropy alloys through deep cryogenic deformation

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Rare Metals 2024年第9期43卷 4493-4507页

作者： Hu-Wen Ma Yan-Chun Zhao Li Feng Tian-Zeng Liu Zhi-Qi Yu Bo Jin Wang-Chun Duan Peter K.Liaw Dong Ma State Key Laboratory of Advanced Processing and Recycling of Non-Ferrous Metals Lanzhou University of TechnologyLanzhou 730050China Wenzhou Pump and Valve Engineering Research Institute Lanzhou University of TechnologyWenzhou 325105China Iron and Steel Research Institute Jiuquan Iron and Steel CorporationJiayuguan 735100China Lanzhou Resources and Environment Voc-Tech University Lanzhou 730123China Department of Materials Science and Engineering The University of TennesseeKnoxvilleTN 37996-2200USA Neutron Science Center Songshan Lake Materials LaboratoryDongguan 523808China

Cryogenic pre-deformation treatment has been widely used to effectively improve the comprehensive mechanical properties of steels and novel ***,the dislocation evolution and phase transformation induced by different degrees of deep cryogenic deformation are not yet fully *** this study,the effects of multiple cryogenic pre-treatments on the mechanical properties and deformation mechanisms of a paramagnetic Fe_(63.3)Mn_(14-)Si_(9.1)Cr_(9.8)C_(3.8)medium-entropy alloy(MEA)were investigated,leading to the discovery of a pretreated MEA that exhibits exceptional mechanical properties,including a fracture strength of 3.0 GPa,plastic strain of 26.1%and work-hardening index of *** addition,X-ray diffraction(XRD)and transmission electron microscopy(TEM)analyses revealed that multiple cryogenic pre-deformation treatments significantly increased the dislocation density of the MEA(from 9×10^(15)to 4×10^(16)m^(-2)after three pretreatments),along with a transition in the dislocation type from predominantly edge dislocations to mixed dislocations(including screw-and edge-type dislocations).Notably,this pretreated MEA retained its paramagnetic properties(μ_(r)energy of the MEA by a factor of approximately four(i.e.,from 9.7 to2.6 m J·m^(-2)),thereby activating the synergistic effects of transformation-induced plasticity,twinning-induced plasticity and dislocation strengthening *** synergistic effects lead to simultaneous strength and ductility enhancement of the MEA.

关键词： Deep cryogenic transformation Iron-based medium-entropy alloys Dislocation evolution Phase transformation Stacking fault energy

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Selective core-shell doping enabling high performance 4.6 V-LiCoO2

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Journal of energy Chemistry 2024年第8期95卷 684-693页

作者： Yueming Xia Jianrui Feng Jinhui Li Yan Li Zhengfeng Zhang Xiaoqi Wang Jianli Shao Manling Sui Pengfei Yan Beijing Key Laboratory of Microstructure and Property of Solids College of Materials Science & Engineering Beijing University of Technology Petro China Research Institute of Petroleum Exploration & Development State Key Laboratory of Explosion Science and technology Beijing Institute of Technology

Constructing robust surface and bulk structure is the prerequisite for realizing high performance high voltage LiCoO2（LCO）.Herein,we manage to synthesize a surface Mg-doping and bulk Al-doping coreshell structured LCO,which demonstrates excellent cycling ***-cell shows 94.2% capacity retention after 100 cycles at 3.0-4.6 V（***/Li+） cycling,and no capacity decay after 300 cycles for fullcell test（3.0-4.55 V）.Based on comprehensive microanalysis and theoretical calculations,the degradation mechanisms and doping effects are systematically *** the undoped LCO,high voltage cycling induces severe interfacial and bulk degradations,where cracks,stripe defects,fatigue H2 phase,and spinel phase are identified in grain *** the doped LCO,Mg-doped surface shell can suppress the interfacial degradations,which not only stabilizes the surface structure by forming a thin rock-salt layer but also significantly improves the electronic conductivity,thus enabling superior rate *** Al-doping can suppress the lattice "breathing" effect and the detrimental H3 to H1-3 phase transition,which minimizes the internal strain and defects growth,maintaining the layered structure after prolonged *** theoretical calculations,this work deepens our understanding of the doping effects of Mg and Al,which is valuable in guiding the future material design of high voltage LCO.

关键词： Doping effect Electron microscopy Failure mechanism High-voltage LiCoO2 Lithium-ion battery

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Edge Impulse Based ML-Tensor Flow Method for Precise Prediction of Remaining Useful Life (RUL) of EV Batteries

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Journal of Power and energy Engineering 2024年第6期12卷 1-15页

作者： Tarik Hawsawi Mohamed Zohdy Department of Electrical and Computer Engineering Oakland University Rochester USA Department of Electronic technology Technical Vocational Training Corporation Dammam KSA

Electric Vehicle (EV) adoption is rapidly increasing, necessitating efficient and precise methods for predicting EV charging requirements. The early and precise prediction of the battery discharging status is helpful to avoid the complete discharging of the battery. The complete discharge of the battery degrades its lifetime and requires a longer charging duration. In the present work, a novel approach leverages the Edge Impulse platform for live prediction of the battery status and early alert signal to avoid complete discharging. The proposed method predicts the actual remaining useful life of batteries. A powerful edge computing platform utilizes Tensor Flow-based machine learning models to predict EV charging needs accurately. The proposed method improves the overall lifetime of the battery by the efficient utilization and precise prediction of the battery status. The EON-Tuner and DSP processing blocks are used for efficient results. The performance of the proposed method is analyzed in terms of accuracy, mean square error and other performance parameters.

关键词： Electric Vehicle EV Charging Machine Learning Lifetime Edge Computing

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Development and technology status of energy storage in depleted gas reservoirs

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International Journal of Coal Science & technology 2024年第2期11卷 198-221页

作者： Jifang Wan Yangqing Sun Yuxian He Wendong Ji Jingcui Li Liangliang Jiang Maria Jose Jurado China energy Digital technology Group Co. Ltd.Beijing 100044China School of Mechanical Engineering Yangtze UniversityJingzhou 434023China Department of Chemical and Petroleum Engineering The University of CalgaryCalgaryAlbertaCanada Geosciences Barcelona CSIC Spanish National Research Council08028 BarcelonaSpain

Utilizing energy storage in depleted oil and gas reservoirs can improve productivity while reducing power costs and is one of the best ways to achieve synergistic development of"Carbon Peak–Carbon Neutral"and"Underground Resource Utiliza-tion".Starting from the development of Compressed Air energy Storage(CAES)technology,the site selection of CAES in depleted gas and oil reservoirs,the evolution mechanism of reservoir dynamic sealing,and the high-flow CAES and injection technology are *** focuses on analyzing the characteristics,key equipment,reservoir construction,application scenarios and cost analysis of CAES projects,and sorting out the technical key points and existing *** devel-opment trend of CAES technology is proposed,and the future development path is scrutinized to provide reference for the research of CAES projects in depleted oil and gas reservoirs.

关键词： Depleted gas reservoirs technology and development Siting analysis Safety evaluation Compressed air energy storage

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Comment on “A numerical investigation of the acoustic mode waves in a deviated borehole penetrating a transversely isotropic formation”

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Science China(Physics,Mechanics & Astronomy) 2016年第8期59卷 89-90页

作者： Steve A.Horne Douglas Miller CanYun Wang chevron energy technology corporation London El4 4HA UK Massachusetts Institute of technology Boston 02139 USA CNPC Logging Company Ltd Beijing 102206 China

In the paper"A numerical investigation of the acoustic mode waves in a deviated borehole penetrating a transversely isotropic formation"by Liu et al.[1]numerical experiments are reported for a dipole sonic logging scenario with a deviated borehole penetrating a VTI anisotropic *** such a situation it is important to clearly define the meaning of group and phase velocities as this has led to much confusion in the literature as discussed by Miller,Horne and Walsh[2].

关键词： penetrating Comment on isotropic borehole logging sonic confusion dipole deviation clearly

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A Parallel-type Load Damping Factor Controller for Frequency Regulation in Power Systems with High Penetration of Renewable energy Sources

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Journal of Modern Power Systems and Clean energy 2024年第4期12卷 1019-1030页

作者： Zhe Zhang Siyang Liao Yuanzhang Sun Jian Xu Deping Ke Bo Wang Rui Chen Yibo Jiang Hubei Engineering and technology Research Center for AC/DC Intelligent Distribution Network School of Electrical Engineering and AutomationWuhan UniversityWuhan 430072China State Grid Hubei Electric Power Company Limited Economic Research Institute Wuhan 430074China State Grid(Suzhou)City&energy Research Institute Company Limited Suzhou 215000China

Renewable energy sources(RESs)are rapidly devel-oping and their substitution for traditional power generation poses significant challenges to the frequency regulation in pow-er *** load damping factor D characterizes the active power of load that changes with power system frequency,which is an important factor influencing the frequency ***-ever,the value of D is small,resulting in the limitation in fre-quency regulation of the power *** paper proposes a parallel-type load damping factor controller to enhance load damping factor by utilizing static var generators(SVGs)in ***,it discusses the configuration method for the relevant parameters of the controller,evaluates its frequen-cy regulation capability,investigates the impact of large-scale application of the controller on static and dynamic loads,and conducts a comprehensive evaluation of the impact of the damp-ing factor control process on the voltage stability of the main *** large-scale application of the proposed controller can significantly improve the frequency regulation capability,and al-most have no influence on the working status of the *** can also significantly improve the dynamic performance of system *** proposed controller can provide technical sup-port for the frequency regulation of new power systems with high proportion of RESs.

关键词： Load damping factor parallel-type load damping factor controller power system frequency regulation highproportion renewable energy system

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Electric-controlled pressure relief valve for enhanced safety in liquid-cooled lithium-ion battery packs

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Journal of energy Chemistry 2024年第3期90卷 98-109,I0004页

作者： Yuhang Song Jidong Hou Nawei Lyu Xinyuan Luo Jingxuan Ma Shuwen Chen Peihao Wu Xin Jiang Yang Jin Research Center of Grid energy Storage and Battery Application School of Electrical and Information EngineeringZhengzhou UniversityZhengzhou 450001HenanChina

The liquid-cooled battery energy sto rage system(LCBESS) has gained significant attention due to its superior thermal management ***,liquid-cooled battery pack(LCBP) usually has a high sealing level above IP65,which can trap flammable and explosive gases from battery thermal runaway and cause *** poses serious safety risks and challenges for *** this study,we tested overcharged battery inside a commercial LCBP and found that the conventionally mechanical pressure relief valve(PRV) on the LCBP had a delayed response and low-pressure relief efficiency.A realistic 20-foot model of an energy storage cabin was constructed using the Flacs finite element simulation *** studies were conducted to evaluate the pressure relief efficiency and the influence on neighboring battery packs in case of internal explosions,considering different sizes and installation positions of the ***,a newly developed electric-controlled PRV integrated with battery fault detection is introduced,capable of starting within 50 ms of the battery safety valve ***,the PRV was integrated with the battery management system and changed the battery charging and discharging strategy after the PRV was *** tests confirmed the efficacy of this method in preventing *** paper addresses the safety concerns associated with LCBPs and proposes an effective solution for explosion relief.

关键词： Pressure relief valve Liquid-cooled battery pack Explosion Flacs

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