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Sequence stratigraphic analysis of superimposed coal measure gas-bearing system in Daning-Jixian block,eastern margin of Ordos Basin,China
《Frontiers of Earth Science》2024年第3期611-622,共12页Shizhuang YANG Song LI Wenguang TIAN Guanghao ZHONG Junjian WANG 
supported by the National Natural Science Foundation of China(Grant Nos.42072198 and 42130802);the Fundamental Research Funds for the Central Universities(No.265QZ2021011).
The identification of superimposed gas-bearing systems in coal measures is the basis for expediting the optimization of coal measure gas co-production.Through the analysis of drill cores and log data of Upper Carbonif...
关键词：coal measure gas superimposed gas-bearing system sequence stratigraphic key layer 
Deep learning CNN-APSO-LSSVM hybrid fusion model for feature optimization and gas-bearing prediction
《Petroleum Science》2024年第4期2329-2344,共16页Jiu-Qiang Yang Nian-Tian Lin Kai Zhang Yan Cui Chao Fu Dong Zhang 
funded by the Natural Science Foundation of Shandong Province (ZR2021MD061;ZR2023QD025);China Postdoctoral Science Foundation (2022M721972);National Natural Science Foundation of China (41174098);Young Talents Foundation of Inner Mongolia University (10000-23112101/055);Qingdao Postdoctoral Science Foundation (QDBSH20230102094)。
Conventional machine learning(CML)methods have been successfully applied for gas reservoir prediction.Their prediction accuracy largely depends on the quality of the sample data;therefore,feature optimization of the i...
关键词：Multicomponent seismic data Deep learning Adaptive particle swarm optimization Convolutional neural network Least squares support vector machine Feature optimization Gas-bearing distribution prediction 
Study on the long-term performance of shield tunnel passing through the gas-bearing strata
《Underground Space》2023年第2期1-19,共19页Jie He Xiangyang Wei Mei Yin 
When the shield tunnel passes through the gas-bearing strata,gas and water leakage may occur depending on the sealing performance of the segment joints.This process involves the complex multiphase seepage flow phenome...
关键词：A coupled solid-liquid-gas model Unsaturated soil Multiphase seepage Gas-bearing strata Shield tunnel FEM 
Gas-in-place and its influence factors of the upper Paleozoic coal-bearing shale in the Qinshui Basin, China
《Frontiers of Earth Science》2023年第1期293-309,共17页Chengang LU Ping GAO Gang LI Yue FENG Xiaorong QU Yufei SU Xianming XIAO 
This study was jointly supported by the National Natural Science Foundation of China (Grant No. U1810201);the Science and Technology Department of Shanxi Province, China (No. 20201101003).
Coal-bearing shale shows great potential for unconventional gas resources in China, while its exploration and development have been challenging for a long time. Gas-in-place (GIP) is critical to shale gas evaluation, ...
关键词：coal-bearing shale clay minerals inorganic pore gas potential unconventional gas 
Sinian gas sources and effectiveness of primary gas-bearing system in Sichuan Basin, SW China被引量：2
《Petroleum Exploration and Development》2021年第6期1260-1270,共11页ZHAO Wenzhi XIE Zengye WANG Xiaomei SHEN Anjiang WEI Guoqi WANG Zecheng WANG Kun 
Supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDA14010403);the China National Science and Technology Major Project(2016ZX05004,2016ZX05007-003);the Science and Technology Project of China National Petroleum Corporation(kt2020-01-03,2021DJ06)。
Based on correlation between geochemical characteristics of Sinian and Cambrian source rocks and discovered gas reservoirs,paleoand the analysis on geological conditions of reservoir formation,the sources of natural g...
关键词：natural gas carbon isotope hydrogen isotope geochemical characteristics gas and source rock correlation Sinian System primary gas-bearing system Sichuan Basin 
Experimental study on the infrared precursor characteristics of gas-bearing coal failure under loading被引量：4
《International Journal of Mining Science and Technology》2021年第5期901-912,共12页Shan Yin Zhonghui Li Dazhao Song Xueqiu He Liming Qiu Quan Lou He Tian 
supported by the National Natural Science Foundation of China(No.52074280);the National Natural Science Foundation of China(No.52004016);the Priority Academic Program Development(PAPD)of Jiangsu Higher Education Institutions。
The stress and gas pressure in deep coal seams are very high,and instability and failure rapidly and intensely occur.It is important to study the infrared precursor characteristics of gas-bearing coal instability and ...
关键词：Gas–bearing coal Gas pressure Infrared temperature Infrared thermal image Infrared precursory law 
The influence factors of gas-bearing and geological characteristics of Niutitang Formation shale in the southern margin of Xuefeng Mountain ancient uplift: A case of Well Huangdi 1被引量：7
《China Geology》2020年第4期533-544,共12页Ming-na Ge Ke Chen Xiang-lin Chen Chao Wang Shu-jing Bao 
This research was financially supported by the National Science and Technology Major Project(2016ZX05034);project of China Gelogical Survey(DD20160181).
In order to evaluate the geological characteristics and gas-bearing factors of Niutitang Formation within the Lower Cambrian of northern Guizhou,the Huangping area located at the southern edge of the ancient uplift be...
关键词：Shale gas Gas-bearing Well Huangdi 1 Influence factors Niutitang Formation Xuefeng Mountain ancient uplift Oil and gas exploration engineering Lower Cambrian Guizhou Province China 
An alternative approach to match field production data from unconventional gas-bearing systems
《Petroleum Science》2020年第5期1370-1388,共19页Zhi-Gang Zhang Yan-Bao Liu Hai-Tao Sun Wei Xiong Kai Shen Quan-Bin Ba 
financially supported by the National Key Research and Development Programme(Grant Nos.2016ZX05067004-004 and 2016ZX05043005-003);the Chongqing Science and Technology Innovation Leader Talent Support Programme(Grant No.CSTCKJCXLJRC14)。
Nowadays,the unconventional gas-bearing system plays an increasingly important role in energy market.The performances of the current history-matching techniques are not satisfied when applied to such systems.To overco...
关键词：Gaussian function Flow rate Unconventional gas Ordos Basin Gas-bearing reservoirs 
Reservoir characteristics and genetic mechanisms of gas-bearing shales with different laminae and laminae combinations: A case study of Member 1 of the Lower Silurian Longmaxi shale in Sichuan Basin, SW China被引量：3
《Petroleum Exploration and Development》2020年第4期888-900,共13页SHI Zhensheng DONG Dazhong WANG Hongyan SUN Shasha WU Jin 
Supported by China National Science and Technology Major Project(2017ZX05035-001);National Natural Science Fund Project(41572079)
Based on thin-section,argon-ion polished large-area imaging and nano-CT scanning data,the reservoir characteristics and genetic mechanisms of the Lower Silurian Longmaxi shale layers with different laminae and laminae...
关键词：gas-bearing shale lamina reservoir characteristics genetic mechanism Lower Silurian Longmaxi Formation Sichuan Basin 
Heat-fluid-solid coupling model for gas-bearing coal seam and numerical modeling on gas drainage promotion by heat injection被引量：5
《International Journal of Coal Science & Technology》2019年第4期564-576,共13页Ruifu Yuan Chunling Chen Xiao Wei Xiaojun Li 
The authors acknowledge the financial support from the Natural Science Foundation of China(U1704131);Program for Science&Technology Innovation Talents in Universities of Henan Province(18HASTIT018);the Program for Changjiang Scholars and Innovative Research Team in University(IRT_16R22).
Improving the absorbed gas to active desorption and seepage and delaying gas drainage attenuation are considered as key methods for increasing drainage efficiency and gas output.According to the solid mechanics theory...
关键词：Gassy COAL Heat-fluid-solid coupling model Heat injection GAS extraction Numerical modeling 
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