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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

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China Geology 2020年第4期3卷 533-544页

作者： Ming-na Ge Ke Chen Xiang-lin Chen Chao Wang shu-jing bao Oil and Gas Resources Survey China Geological SurveyMinistry of Natural ResourcesBeijing 100083China

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 belt of Xuefeng Mountain was selected as the target area,and Well Huangdi 1 was drilled for the geological survey of shale *** geological background analysis and well logging and laboratory analysis such as organic geochemical test,gas content analysis,isothermal adsorption,and specific surface area experiments on Well Huangdi 1,the results show that the Niutitang Formation is a deep-water shelf,trough-like folds and thrust *** thickness of black shale is 119.95 m,of which carbonaceous shale is 89.6 *** average value of organic carbon content is 3.55%,kerogen vitrinite reflectance value is 2.37% and kerogen type is *** brittle mineral content is 51%(quartz 38%),clay mineral content is 38.3%.The value of porosity and permeability are 0.5%and 0.0014 mD,which the reservoir of the Niutitang Formation belongs to low permeability with characteristics of ultra-low *** gas content is 0.09‒1.31 m^3/t with a high-value area and a second high-value *** comparing with the geological parameters of adjacent wells in the adjacent area,the accumulation model of“sediment control zone,Ro control zone,structure controlling reservoir”in the study area is ***,deep-water shelf-slope facies,Ro is between high maturity-early stage of overmaturity and well-preserved zones in the Niutitang Formation in this area are favorable direction for the next step of shale gas exploration.

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

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Geological conditions and reservoir characteristics of various shales in major shalehosted regions of China

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China Geology 2024年第1期7卷 138-149页

作者： shu-jing bao Tian-xu Guo Jin-tao Yin Wei-bin Liu Sheng-jian Wang Hao-han Li Zhi Zhou Shi-zhen Li Xiang-lin Chen The Key Laboratory of Unconventional Petroleum Geology China Geological SurveyMinistry of Natural Resources100083 BeijingChina Oil and Gas Survey China Geological Survey100083 BeijingChina Research Institute of Yanchang Petroleum(Group)CO.LTD 710076 Xi’anChina

China is home to shales of three facies:Marine shale,continental shale,and marine-continental transitional *** types of shale gas are associated with significantly different formation conditions and major controlling *** study compared the geological characteristics of various shales and analyzed the influences of different parameters on the formation and accumulation of shale *** general,shales in China’s several regions exhibit high total organic carbon(TOC)contents,which lays a sound material basis for shale gas *** strata generally show high degrees of thermal *** contrast,continental shales manifest low degrees of thermal evolution,necessitating focusing on areas with relatively high degrees of thermal evolution in the process of shale gas surveys for these *** shales of the Wufeng and Silurian formations constitute the most favorable shale gas reservoirs since they exhibit the highest porosity among the three types of *** shales are followed by those in the Niutitang and Longtan *** contrast,the shales of the Doushantuo,Yanchang,and Qingshankou formations manifest low ***,the shales of the Wufeng and Longmaxi formations exhibit high brittle mineral *** a low siliceous mineral content,the shales of the Doushantuo Formation feature a high carbonate mineral content,which can increase the shales’brittleness to some *** marine-continental transitional shales,where thin interbeds of tight sandstone with unequal thicknesses are generally found,it is recommended that fracturing combined with drainage of multiple sets of lithologic strata should be employed to enhance their shale gas production.

关键词： Shale gas Marine shale Continental shale Marine-continental transitional shale Neoproterozoic-Cretaceous strata Geological conditions Reservoir characteristics Petroleum geological survey engineering

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Tectonic evolution of the Huangling dome and its control effect on shale gas preservation in the north margin of the Yangtze Block, South China

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China Geology 2020年第1期3卷 28-37页

作者： Jun-feng Zhang Gang-yi Zhai Da-ming Wang shu-jing bao Ke Chen Hao-han Li Teng Song Peng Wang Zhi Zhou Oil and Gas Survey China Geology SurveyMinistry of Natural ResourcesBeijing 100083China

Significant breakthroughs of shale gas exploration have been made in Lower Cambrian and Sinian shale in the north margin of the Yangtze Block,South *** drill wells with industrial gas flow located in the southern margin of the Huangling *** on the geological survey,2D seismic,geochronological and drill wells data,the tectonic evolution history of Huangling dome was studied,and its control effect on the preservation condition of shale gas was *** result shows that the Huangling dome might undergo four tectonic stages:(1)About 800 Ma,granite intrusion in the Huangling dome basement,primarily of granites replaced metamorphism rocks;(2)800-200 Ma,no significant tectonic movement with slowly buried history;(3)From 200 Ma,multi-phase uplift and the sedimentary rocks was eroded in the core of the Huangling *** gas in the Cambrian and Sinian strata was well preserved in the margin of the Huangling dome as the following reasons:(1)The Sinian shale was buried about 7.8 km indepth during Middle Jurassic,source rocks have a suitable thermal maturity for shale gas;(2)The rigid basement of the Huangling dome was mainly composed by homogeneity granite,without intensive *** the main challenges of the widely distributed Lower Cambrian and Sinian shale are highmaturity and intensive deformation,a geological unit with a dome probably is a favorable zone for the old age shale ***,it indicates that the adjacent zone of the Xuefengshan,Shennongjia and Hannan are the geological units with a dome and probably have potentials for the exploration of shale in the Lower Cambrian and Sinian.

关键词： Shale gas Degree of thermal evolution Huangling dome Tectonic evolution Preservation conditions Lower Cambrian and Sinian South China

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The evolution of the Huangling uplift and its control on the accumulation and preservation of shale gas

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China Geology 2018年第3期1卷 346-353页

作者： shu-jing bao Gang-yi Zhai Zhi Zhou shu-fang Yu Ke Chen Yu-fang Wang Hao Wang Yi-min Liu Oil and Gas Survey China Geological SurveyBeijing 100083China Unconventional Petroleum Geology Laboratory of Oil and Gas Survey China Geological SurveyBeijing 100083China China University of Geosciences(Beijing) Beijing 100083China

There are plenty of Sinian and Cambrian potential shale gas resources in South China,which is characterized by high thermal evolution degrees,poor drilling performances and only occurs in local *** the principle “high to find low” is the key issue to achieving a breakthrough in older *** Geological Survey drilled in the periphery of the Proterozoic basement,*** Huangling anticline,in the western Hubei,and Hannan paleocontinent in the southern *** received high-quality gas-bearing shale with relatively low Ro in the in Lower Cambrian Niutitang formation and Sinian Doushantuo *** on geological conditions of shale gas reservoirs in the Huangling anticline,this paper puts forward the new model named “Control over reservoirs by periphery of basement” about shale gas accumulation,suggesting that the shale deposited in a deepwater continental shelf in the periphery of the basement is characterized by shallow burial,a short burial time,stable tectonics,relatively low thermal evolution degrees,and shale gas reservoirs in a good *** shale of the Sinian-Cambrian strata deposited in deepwater continental shelves in the periphery of Chuanzhong paleo-uplift in Sichuan,Hannan paleocontinent in the southern Shanxi,Huangling anticline in western Hubei and Jiangnang-Xuefeng paleo-uplift in Hunan and Guizhou province have good shale gas exploration potential.

关键词： Huangling uplift Evolution Shale gas Control on the accumulation preservation

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A discovery of Silurian tightshale gas in Jianshi,Hubei,China

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China Geology 2018年第1期1卷 160-161页

作者： Zhi Zhou shu-jing bao Xiang-lin Chen shu-fang Yu Ke Chen Tian-xu Guo Qiu-feng Xu Oil and Gas Survey China Geological SurveyBeijing 100083China

*** The study area is located in the north of Jianshi area, Hubei *** to the geologic survey,the Silurian black shale in the area is characterized by high abundance of organic matter and high hydrocarbon *** 1980s,Jianghan Oilfield has drilled 7 wells in Jiannan gas field located in the south of study area,which showed different degree of oil and gas and revealed a good exploration prospect for the Silurian strata.

关键词： Silurian tightshale gas Jianshi,Hubei China

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A review and research on comprehensive characterization of microscopic shale gas reservoir space

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China Geology 2019年第4期2卷 541-556页

作者： Yu-ru Yang Xiao-chen Liu Hui Zhang Gang-yi Zhai Jiao-dong Zhang Zhi-fang Hu shu-jing bao Cong Zhang Xiang-hua Wang Xiao Yang Zheng-zhuang Liu Ting Xie Juan Chen Liyu Fang Li-juan Qin Oil and Gas Survey China Geological SurveyBeijing 100083China Unconventional Petroleum Geology Laboratory of Oil and Gas Survey Ministry of Natural ResourcesChina Geological SurveyBeijing 100094China SGS-CSTC Standards Technical Services Co. Ltd.Beijing 100176China School of Energy Resources China University of Geosciences(Beijing)Beijing 100083China

In this paper,substantial domestic and foreign research results of microscopic shale reservoir space were systemically reviewed,the research history consisting of simple observation and qualitative classification,quantitative research,the combination of qualitative and quantitative research successively as well as the characteristics of each research stage were *** addition,the current problems existing in the characterization methods of shale reservoir space were also ***,based on massive actual detection of typical core samples obtained from more than 50 global shale gas wells and relevant practical experience,a comprehensive characterization method of combining qualitative with the semiquantitative characterization was put *** detail,the indicators of the qualitative characterization include pore combination type and organic-matter microscopic morphology type,while the core elements of the semi-quantitative characterization include the percentage of the organic-matter area and the plane porosity of the pores of different *** on the reference of the naming and classification of rocks,the three-end-member diagram method was used to characterize microscopic shale reservoir *** is achieved by plotting the three end-member diagram of 3 kinds of first-order critical reservoir spaces,i.e.,organic-matter pores,matrix pores,and micro-fractures,in order to intuitively present the features of the microscopic pore ***,statistic histograms of organic-matter microscopic morphology type and the plane porosity of different types of pores were adopted to characterize the development degree of second-order pores *** this comprehensive characterization method,the importance of both pore combination and the microscopic morphology of organic matter were emphasized,revealing the control of organic-matter microscopic morphology over the organic-matter *** is more,high-resolution FE-SEM was adopted t

关键词： Shale Shale gas Reservoir space Research status Types of pore combinations Oil-gas exploration engineering Longmaxi Formation Niutitang Formation Shahejie Formation Yanchang Formation China USA

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无磷改进保水剂对冻藏紫贻贝品质的影响

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食品工业科技 2018年第21期39卷 196-201页

作者：汪有先赵淑静何云包建强上海海洋大学食品学院上海水产品加工及贮藏工程技术研究中心上海201306

以蒸馏水组为空白对照,复合磷酸盐组为条件对照,探究以1.5%NaCl、0.5%海藻糖和2%柠檬酸钠组成无磷改进保水剂对冻藏条件下贻贝品质的影响。结果显示,经无磷改进保水剂处理,并在-18℃冻藏25 d,明显地降低了贻贝的水分损失、解冻损失率和... 详细信息

以蒸馏水组为空白对照,复合磷酸盐组为条件对照,探究以1.5%NaCl、0.5%海藻糖和2%柠檬酸钠组成无磷改进保水剂对冻藏条件下贻贝品质的影响。结果显示,经无磷改进保水剂处理,并在-18℃冻藏25 d,明显地降低了贻贝的水分损失、解冻损失率和蒸煮损失率,并提高了浸泡增重率,但在减少水分损失效果方面,与复合磷酸盐组无显著差异(p>0.05),而在提高浸泡增重率效果方面不及复合磷酸盐组。在冻藏期间,贻贝的L~*值不断减小,TVB-N值呈上升趋势,但经无磷改进保水剂处理,贻贝的L~*值维持效果显著优于其他处理组(p<0.05),TVB-N值上升缓慢且明显小于其他处理组。经无磷改进保水剂处理能有效减少肌原纤维蛋白损失和Ca^(2+)-ATP酶活性损失,并明显小于蒸馏水组和复合磷酸盐组。综上所述,无磷改进保水剂能有效的改善贻贝的品质。

关键词：紫贻贝无磷改进保水剂保水性海藻糖柠檬酸钠

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甲鱼油的提取及微胶囊化研究进展

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粮油食品科技 2018年第2期26卷 30-33页

作者：赵淑静包建强上海海洋大学食品学院上海水产品加工及贮藏工程技术研究中心上海201306

甲鱼油富含DHA、EPA等多种生理活性物质,具有良好的保健作用,其制品也越来越受关注。主要阐述了甲鱼油的营养功效、目前常用的提取方法及微胶囊化方法,并对甲鱼副产物回收利用进行了展望,以期为甲鱼油的合理开发利用提供参考。

关键词：甲鱼油提取微胶囊化展望

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种植密度对不同耐密夏玉米品种茎秆性状与抗倒伏能力的影响

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玉米科学 2017年第5期25卷 91-97页

作者：谷利敏乔江方张美微朱卫红黄璐代书桃董树亭刘京宝河南省农业科学院粮食作物研究所郑州450002 山东农业大学农学院/作物生物学国家重点试验室山东泰安271018

以耐密性不同玉米品种为材料,调查吐丝期暴雨大风后玉米倒伏情况,分析增密过程中不同夏玉米群体植株形态与茎秆力学变化规律。结果表明,随密度增加,大风后根倒率和茎折率显著增加,登海618的根倒率和茎折率显著低于浚单20。随着密度增加... 详细信息

以耐密性不同玉米品种为材料,调查吐丝期暴雨大风后玉米倒伏情况,分析增密过程中不同夏玉米群体植株形态与茎秆力学变化规律。结果表明,随密度增加,大风后根倒率和茎折率显著增加,登海618的根倒率和茎折率显著低于浚单20。随着密度增加,玉米株高和穗位高增加,基部3~7节间均表现为节间伸长、变细,茎粗系数、穿刺强度、抗折力、压碎强度显著降低,两个品种表现一致。相关分析表明,根倒率和茎折率与节间长度、株高、穗位高和穗位系数正相关,与茎粗、茎粗系数和茎秆力学负相关。站秆率与倒伏率均与基部第3节间性状的相关性达显著水平。与浚单20相比,登海618具有较低的节间长度、株高、穗位高、穗位系数和较高的茎粗、茎粗系数和茎秆力学,抗倒性能较强。

关键词：夏玉米密度抗倒伏茎秆力学特性

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Role of iron ore in enhancing gasification of iron coke:Structural evolution,influence mechanism and kinetic analysis

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 58-69页

作者： Jie Wang Wei Wang Xuheng Chen Junfang bao Qiuyue Hao Heng Zheng Runsheng Xu School of Chemistry and Materials Science Hubei Engineering UniversityXiaogan 432000China Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education Wuhan University of Science and TechnologyWuhan 430081China Institue of Ironmaking Technology Baosteel Central Research InstituteShanghai 201999China State Key Laboratory of Advanced Metallurgy University of Science and Technology BeijingBeijing 100083China

The utilization of iron coke provides a green pathway for low-carbon *** uncover the influence mechanism of iron ore on the behavior and kinetics of iron coke gasification,the effect of iron ore on the microstructure of iron coke was ***,a comparative study of the gasification reactions between iron coke and coke was conducted through non-isothermal thermogravimetric *** findings indicate that compared to coke,iron coke exhibits an augmentation in micropores and specific surface area,and the micropores further extend and *** provides more adsorption sites for CO_(2) molecules during the gasification process,resulting in a reduction in the initial gasification temperature of iron *** the heating rate in non-isothermal gasification can enhance the reactivity of iron *** metallic iron reduced from iron ore is embedded in the carbon matrix,reducing the orderliness of the carbon structure,which is primarily responsible for the heightened reactivity of the carbon *** kinetic study indicates that the random pore model can effectively represent the gasification process of iron coke due to its rich pore ***,as the proportion of iron ore increases,the activation energy for the carbon gasification gradually decreases,from 246.2 kJ/mol for coke to 192.5 kJ/mol for iron coke 15wt%.

关键词： low-carbon ironmaking iron coke gasification structural evolution kinetic model

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