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Gas storage in shale pore system:A review of the mechanism,control and assessment

Petroleum Science 2023年第5期20卷 2605-2636页

作者： Yue Feng Xian-Ming Xiao En-Ze Wang Ping Gao chen-gang lu gang Li School of Energy Resources China University of Geosciences(Beijing)Beijing100083China School of Earth and Space Sciences Peking UniversityBeijing100871China

In the past 15 years,the shale gas revolution and large-scale commercial developments in the United States have driven the exploration and development of shale plays *** many factors affecting shale gas exploration potential,the gas-bearing properties of shale(quantity,storage state,composition)and their controlling factors are the essential research attracting wide attention in the academic *** paper reviews the research progress on the retention mechanism,influencing factors,and evaluation methods for resource potential of the shale gas system,and proposes further research *** is the main mechanism of gas retention in organic-rich shales;the gas is mainly stored in nanopores of shale in free and sorption *** presence of water and nonhydrocarbon gases in pores can complicate the process and mechanism of methane(CH4)sorption,and the related theoretical models still need further *** in-situ gas content and gasbearing properties of shale are governed by the geological properties(organic matter abundance,kerogen type,thermal maturity,mineral composition,diagenesis),the properties of fluids in pores(water,CH_(4),non-hydrocarbon gases),and geological conditions(temperature,pressure,preservation conditions)of the shale *** a particular basin or block,it is still challenging to define the main controlling factors,screen favorable exploration areas,and locate sweet *** to marine shales with extensive research and exploration data,lacustrine and marine-continental transitional shales are a further expanding area of *** methods have been developed to quantitatively characterize the in-situ gas content of shales,but all these methods have their own limitations,and more in-depth studies are needed to accurately evaluate and predict the in-situ gas content of shales,especially shales at deep depth.

关键词： Shale gas Retention mechanism Multi-component adsorption Influencing factors Evaluation method

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Main controlling factor and mechanism of gas-in-place content of the Lower Cambrian shale from different sedimentary facies in the western Hubei area, South China

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Petroleum Science 2024年第3期21卷 1488-1507页

作者： gang Li Xian-Ming Xiao Bo-Wei cheng chen-gang lu Yue Feng Dong-Sheng Li School of Energy Resources China University of Geosciences(Beijing)Beijing100083China Frontiers Science Center for Deep-time Digital Earth China University of Geosciences(Beijing)Beijing100083 China

The Lower Cambrian shale gas in the western Hubei area,South China has a great resource prospect,but the gas-in-place(GIP)content in different sedimentary facies varies widely,and the relevant mechanism has been not well *** the present study,two sets of the Lower Cambrian shale samples from the Wells YD4 and YD5 in the western Hubei area,representing the deep-water shelf facies and shallowwater platform facies,respectively,were investigated on the differences of pore types,pore structure and methane adsorption capacity between them,and the main controlling factor and mechanism of their methane adsorption capacities and GIP contents were *** results show that the organic matter(OM)pores in the YD4 shale samples are dominant,while the inorganic mineral(IM)pores in the YD5 shale samples are primary,with underdeveloped OM *** pore specific surface area(SSA)and pore volume(PV)of the YD4 shale samples are mainly from micropores and mesopores,respectively,while those of the YD5 shale samples are mainly from micropores and macropores,*** methane adsorption capacity of the YD4 shale samples is significantly higher than that of the YD5 shale samples,with a maximum absolute adsorption capacity of 3.13 cm^(3)/g and 1.31 cm^(3)/g in average,*** with the shallow-water platform shale,the deep-water shelf shale has a higher TOC content,a better kerogen type and more developed OM pores,which is the main mechanism for its higher adsorption *** GIP content models based on two samples with a similar TOC content selected respectively from the Wells YD4 and YD5 further indicate that the GIP content of the deep-water shelf shale is mainly 34 m^(3)/t within a depth range of 1000—4000 m,with shale gas exploration and development potential,while the shallow-water platform shale has normally a GIP content of<1 m^(3)/t,with little shale gas *** the geological and geochemical conditions of shale gas formation a

关键词： Lower Cambrian shale Deep-water shelf facies Shallow-waterplat form facies Pore structure Methane adsorption Gas-in-place content Controlling factor

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Investigations of methane adsorption characteristics on marine-continental transitional shales and gas storage capacity models considering pore evolution

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Petroleum Science 2024年第4期21卷 2273-2286页

作者： chen-gang lu Xian-Ming Xiao Zhen-Qian Xue Zhang-Xin chen Yin-Tao Dong Yue Feng gang Li School of Energy Resources China University of Geosciences(Beijing)Beijing100083China School of Civil and Environmental Engineering Nanyang Technological University50 Nanyang Avenue639798Singapore Chemical and Petroleum Engineering University of CalgaryCalgaryAlbertaT2N 1N4Canada Eastern Institute of Technology(tentative) Ningbo315000ZhejiangChina CNOOC Research Institute Beijing100028China

Methane adsorption is a critical assessment of the gas storage capacity(GSC)of shales with geological *** the related research of marine shales has been well-illustrated,the methane adsorption of marine-continental transitional(MCT)shales is still *** this study,a method of combining experimental data with analytical models was used to investigate the methane adsorption characteristics and GSC of MCT shales collected from the Qinshui Basin,*** Ono-Kondo model was used to fit the adsorption data to obtain the adsorption ***,the geological model of GSC based on pore evolution was constructed using a representative shale sample with a total organic carbon(TOC)content of 1.71%,and the effects of reservoir pressure coefficient and water saturation on GSC were *** experimental results,compared to the composition of the MCT shale,the pore structure dominates the methane adsorption,and meanwhile,the maturity mainly governs the pore ***,maturity in the middle-eastern region of the Qinshui Basin shows a strong positive correlation with burial *** two parameters,micropore pore volume and non-micropore surface area,induce a good fit for the adsorption capacity data of the *** simulation results,the depth,pressure coefficient,and water saturation of the shale all affect the *** demonstrates a promising shale gas potential of the MCT shale in a deeper block,especially with low water ***,the economic feasibility of shale gas could be a major consideration for the shale with a depth of60%in the Yushe-Wuxiang *** study provides a valuable reference for the reservoir evaluation and favorable block search of MCT shale gas.

关键词： High-pressure methane adsorption Marine-continental transitional shale gas Ono-Kondo model Adsorption thermodynamics Gas storage capacity model

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Ru doping triggering reconstruction of cobalt phosphide for coupling glycerol electrooxidation with seawater electrolysis

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Journal of Energy Chemistry 2025年第1期100卷 317-326页

作者： Binglu Deng Jie Shen Jinxing lu Chuqiang Huang Zhuoyuan chen Feng Peng Yunpeng Liu School of Materials Science and Hydrogen Energy Foshan University School of Chemistry and Chemical Engineering Guangzhou University Guangdong Key Laboratory for Hydrogen Energy Technologies

Seawater electrolysis is a promising approach for sustainable energy without relying on precious ***,the large-scale seawater electrolysis is hindered by low catalytic efficiency and severe anode corrosion caused by the harmful *** contrast to the oxygen evolution reaction （OER）and chlorin ion oxidation reaction （ClOR）,glycerol oxidation reaction （GOR） is more thermodynamically and kinetically favorable ***,a Ru doping cobalt phosphide （Ru-CoP2） is proposed as a robust bifunctional electrocatalyst for seawater electrolysis and GOR,for the concurrent productions of hydrogen and value-added *** in situ and ex situ characterization analyses demonstrated that Ru doping featured in the dynamic reconstruction process from Ru-CoP2to Ru-CoOOH,accounting for the superior GOR *** coupling GOR with hydrogen evolution was realized by employing Ru-CoP2as both anode and cathode,requiring only a low voltage of 1.43 V at 100 mA cm-2,which was 250 m V lower than that in alkaline *** work guides the design of bifunctional electrocatalysts for energy-efficient seawater electrolysis coupled with biomass resource upcycling.

关键词： Anodes

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A Novel Self-Supervised Learning Network for Binocular Disparity Estimation

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Computer Modeling in Engineering & Sciences 2025年第1期142卷 209-229页

作者： Jiawei Tian Yu Zhou Xiaobing chen Salman A.AlQahtani Hongrong chen Bo Yang Siyu lu Wenfeng Zheng Department of Computer Science and Engineering Major in Bio Artificial IntelligenceHanyang UniversityAnsan-si15577Republic of Korea School of Electrical and Computer Engineering Louisiana State UniversityBaton RougeLA 70803USA Department of Computer Engineering College of Computer and Information SciencesKing Saud UniversityRiyadh11574Saudi Arabia School of Automation University of Electronic Science and Technology of ChinaChengdu610054China

Two-dimensional endoscopic images are susceptible to interferences such as specular reflections and monotonous texture illumination,hindering accurate three-dimensional lesion reconstruction by surgical *** study proposes a novel end-to-end disparity estimation model to address these *** approach combines a Pseudo-Siamese neural network architecture with pyramid dilated convolutions,integrating multi-scale image information to enhance robustness against lighting *** study introduces a Pseudo-Siamese structure-based disparity regression model that simplifies left-right image comparison,improving accuracy and *** model was evaluated using a dataset of stereo endoscopic videos captured by the Da Vinci surgical robot,comprising simulated silicone heart sequences and real heart video *** results demonstrate significant improvement in the network’s resistance to lighting interference without substantially increasing ***,the model exhibited faster convergence during training,contributing to overall performance *** study advances endoscopic image processing accuracy and has potential implications for surgical robot applications in complex environments.

关键词： Parallax estimation parallax regression model self-supervised learning Pseudo-Siamese neural network pyramid dilated convolution binocular disparity estimation

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新疆柯坪块体M_S4地震平静异常分析

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内陆地震 2018年第4期32卷 370-378页

作者：陈鲁刚新疆维吾尔自治区地震局喀什基准台新疆喀什844000

通过对柯坪块体M_S4地震平静异常进行追溯分析,结合历史资料研究结果得到:(1)当该区域M_S4地震出现发震时间间隔Δt≥4个月的异常时,与南天山西段(含乌恰—喀什交汇区) M_S5以上地震有较好的对应关系。(2)异常束后,对应地震优势发震时间... 详细信息

通过对柯坪块体M_S4地震平静异常进行追溯分析,结合历史资料研究结果得到:(1)当该区域M_S4地震出现发震时间间隔Δt≥4个月的异常时,与南天山西段(含乌恰—喀什交汇区) M_S5以上地震有较好的对应关系。(2)异常束后,对应地震优势发震时间为0～6个月。为正确了解该区M_S4地震平静异常特征以及中期地震趋势研判提供参考依据。

关键词：地震平静异常指标中强地震柯坪块体

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High Fe‑Loading Single‑Atom Catalyst Boosts ROS Production by Density Effect for Efficient Antibacterial Therapy

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Nano-Micro Letters 2025年第2期17卷 187-203页

作者： Si chen Fang Huang Lijie Mao Zhimin Zhang Han Lin Qixin Yan Xiangyu lu Jianlin Shi Department of Cardiology Shanghai Tenth People’s HospitalSchool of MedicineTongji UniversityShanghai 200092People’s Republic of China Shanghai Institute of Ceramics Chinese Academy of SciencesShanghai 200050People’s Republic of China Shanghai Frontiers Science Center of Nanocatalytic Medicine School of MedicineTongji UniversityShanghai 200092People’s Republic of China

The current single-atom catalysts(SACs)for medicine still suffer from the limited active site ***,we develop a synthetic method capable of increasing both the metal loading and mass-specific activity of SACs by exchanging zinc with *** constructed iron SACs(h^(3)-FNC)with a high metal loading of 6.27 wt%and an optimized adjacent Fe distance of~4 A exhibit excellent oxidase-like catalytic performance without significant activity decay after being stored for six months and promising antibacterial ***,a“density effect”has been found at a high-enough metal doping amount,at which individual active sites become close enough to interact with each other and alter the electronic structure,resulting in significantly boosted intrinsic activity of single-atomic iron sites in h^(3)-FNCs by 2.3 times compared to low-and medium-loading ***,the overall catalytic activity of h^(3)-FNC is highly improved,with mass activity and metal mass-specific activity that are,respectively,66 and 315 times higher than those of commercial Pt/*** addition,h^(3)-FNCs demonstrate efficiently enhanced capability in catalyzing oxygen reduction into superoxide anion(O_(2)·^(−))and glutathione(GSH)*** in vitro and in vivo assays demonstrate the superior antibacterial efficacy of h^(3)-FNCs in promoting wound *** work presents an intriguing activity-enhancement effect in catalysts and exhibits impressive therapeutic efficacy in combating bacterial infections.

关键词： Nanocatalytic medicine Single-atom catalysts Reactive oxygen species(ROS) High metal loading Oxidase catalysis

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基于不同走时表的秘鲁—巴西边境地区深震震相分析

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内陆地震 2018年第2期32卷 141-146页

作者：张录陈鲁刚新疆维吾尔自治区地震局喀什基准地震台新疆喀什844000

以巴楚地震台记录到的秘鲁—巴西边境地区深震为研究对象,通过参考J-B、IASP91和AK1353种走时表,进行了震相理论到时与实际到时的对比分析,为台站分析该地区深震工作提供参考。结果表明:(1)秘鲁—巴西边境地区深震震相丰富,除SKS(SKSdf)... 详细信息

以巴楚地震台记录到的秘鲁—巴西边境地区深震为研究对象,通过参考J-B、IASP91和AK1353种走时表,进行了震相理论到时与实际到时的对比分析,为台站分析该地区深震工作提供参考。结果表明:(1)秘鲁—巴西边境地区深震震相丰富,除SKS(SKSdf)、SKKS(SKKSac)、SS震相特征不明显外,其余震相均易识别。(2)相较J-B走时表,IASP91和AK135走时表能提供更多震相及较为准确的理论到时。(3)秘鲁—巴西边境地区深震初至到时与走时表给出的理论到时残差大。

关键词：走时表深震极远震震相

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The effects of BuYang HuanWu Decoction and its effective components on proliferation-related factors and ERK1/2 signal transduction pathway in cultured vascular smooth muscle cells

The effects of BuYang HuanWu Decoction and its effective com...

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第六届全国中西医结合基础理论研究学术研讨会暨第二届湖南省中西医结合学会肝病专业学术年会

作者： gang chen,Wu lu,Chang-Qing Deng Pathophysiology Laboratory,Hunan University of Traditional Chinese Medicine,Changsha, Hunan,P.R.China

Background:Buyang Huanwu Decoction(BYHWD) is an commonly used prescription of Chinese Medicine in preventing and treating ischemic cardiovascular and cerebral vascular diseases. Previous studies using rats showed that the alkaloids and glycosides extracted from BYHWD inhibited the cell cycle activation and proliferation of the vascular smooth muscle cell(VSMC) and the intimal hyperplasia after aortic intimal injury by balloon *** alkaloids and glycosides extracted from BYHWD was also shown to reduce the expression of proliferating cell nuclear antigen(PCNA) and cyclin D,cyclin E in neointima,and collagenⅠ(Col-Ⅰ),fibronectin(FN) of extracellular matrix(ECM).It has been speculated that alkaloids and glycosides may be the components of BYHWD prescription responsible for the observed inhibitive effects on vascular intimal hyperplasia of BYHWD. Objective:To study The impact of BYHWD and its components on the proliferation of VSMC and reveal the associated mechanisms from the respect of the cell cycle-related factors and the extracellular regulated protein kinases(ERK) signal transduction ***:VSMC proliferation model induced by platelet derived growth factor-BB(PDGF-BB) was established to observe the effects of the plasma of rats reveived the medication by gavage on PDGF-induced VSMC *** cytometry was used to determine VSMC cell cycle and cell cycle-related protein and proliferation-related factors. Phosphor-extracellular regulated protein kinases(P-ERK1/2) and mitogen activated protein Kinases phosphatase 1(MKP-1 ) protein expression were detected with Western ***:*** proliferation of VSMC was significantly increased accompanied with decresased cell number in G/G phase and increased cell number in G/M phase and S-phase after stimulation of VSMC with PDGF. PCNA and c-fos expression was also increased in VSMC stimulated by *** changes were inhibited by atorvastatin drug-containing *** drug-containing plasma,alk

关键词： BuYang HuanWu Decoction alkaloid atorvastatin vascular smooth muscle cell platelet derived growth factor proliferating cell nuclear antigen c-fos cyclin D1 extracellular regulated protein kinases 1/2 cyclin-dependent kinase 4 mitogen-activated protein kinase phosphatase-1

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From waste to wealth:Coal tar residue derived carbon materials as low-cost anodes for potassium-ion batteries

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International Journal of Minerals,Metallurgy and Materials 2025年第2期32卷 464-475页

作者： Zhonghua lu Jun Shen Xin Zhang Lingcong Chao Liang chen Ding Zhang Tao Wei Shoudong Xu College of Chemical Engineering and Technology Taiyuan University of TechnologyTaiyuan 030024China College of Chemistry Taiyuan University of TechnologyTaiyuan 030024China School of Chemical Engineering and Pharmacy Wuhan Institute of TechnologyWuhan 430205China School of Energy and Power Jiangsu University of Science and TechnologyZhenjiang 212003China

Carbon materials are widely recognized as highly promising electrode materials for various energy storage system *** tar residues(CTR),as a type of carbon-rich solid waste with high value-added utilization,are crucially important for the development of a more sustainable *** this study,we employed a straightforward direct carbonization method within the temperature range of 700-1000℃to convert the worthless solid waste CTR into economically valuable carbon materials as anodes for potassium-ion batteries(PIBs).The effect of carbonization temperature on the microstructure and the potassium ions storage properties of CTR-derived carbons(CTRCs)were systematically explored by structural and morphological characterization,alongside electrochemical performances *** on the co-regulation between the turbine layers,crystal structure,pore structure,functional groups,and electrical conductivity of CTR-derived carbon carbonized at 900℃(CTRC-900H),the electrode material with high reversible capacity of 265.6m Ah·g^(-1)at 50 m A·g^(-1),a desirable cycling stability with 93.8%capacity retention even after 100 cycles,and the remarkable rate performance for PIBs were ***,cyclic voltammetry(CV)at different scan rates and galvanostatic intermittent titration technique(GITT)have been employed to explore the potassium ions storage mechanism and electrochemical kinetics of *** indicate that the electrode behavior is predominantly governed by surface-induced capacitive processes,particularly under high current densities,with the potassium storage mechanism characterized by an“adsorption-weak intercalation”*** work highlights the potential of CTR-based carbon as a promising electrode material category suitable for high-performance PIBs electrodes,while also provides valuable insights into the new avenues for the high value-added utilization of CTR.

关键词： coal tar residue carbon materials anode potassium-ion batteries high value-added

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