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The Application of Fuzzy Evaluation based on GIS in Tianjin Urban Underground Space resource Appraisal

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地学前缘 2009年第S1期16卷 186-186页

作者： Fang xu~(1,2),Jian Shen~1 1.department of City Geology,Tianjin Institute of Geological Survey,Tianjin 300191,china. 2.Faculty of resource and Safety engineering,china university of mining and technology(beijing),beijing 100083.china

The exploitation and utilization of the city underground space {1. is the important approach of building tri-dimensional and ecological cities, solving the environment,{1.,and population crisis and continuing cities *** article, based on the introduction in detail the overview of regional geology,hydrogeologic condition,engineering geology,environmental geology,*** center city of Tianjin,establishes evaluating model of urban underground space {1. based on GIS

关键词： geology information system fuzzy evaluation underground space resource appraisal Tianjin

不同热处理作用下花岗岩纵波波速和导热能力的演化规律分析

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岩石力学与工程学报 2022年第3期41卷 457-467页

作者：吴星辉蔡美峰任奋华孙景来郭奇峰武旭张杰张利伟北京科技大学土木与资源工程学院北京100083 北京科技大学城市与地下空间工程北京市重点实验室北京100083 北京科技大学金属矿山高效开采与安全教育部重点实验室北京100083 北京市市政工程研究院北京100037

在地热能源开采过程中,温度对高温岩石的物理特性有着显著的影响,尤其是高温花岗岩遇水冷却后导热特性会发生很大的变化。为进一步研究温度和冷却方式对高温花岗岩物理特性的影响,开展高温花岗岩自然冷却和遇水冷却试验,通过对其质量、... 详细信息

在地热能源开采过程中,温度对高温岩石的物理特性有着显著的影响,尤其是高温花岗岩遇水冷却后导热特性会发生很大的变化。为进一步研究温度和冷却方式对高温花岗岩物理特性的影响,开展高温花岗岩自然冷却和遇水冷却试验,通过对其质量、体积、密度和波速等常规物理特性以及导热特性的测试,对比分析2种冷却方式下的物理参数变化规律。结果表明:质量损失率、体积增加率、密度变化率和波速衰减率随温度的升高呈指数型增加,当温度T=450℃时,花岗岩的物理特性变化率显著增加。遇水冷却能够增大花岗岩微裂纹密度,导致其物理特性进一步变化。热处理后花岗岩的导热系数随温度(25℃~1.050℃)升高呈非线性降低,由3.41.W/(m·K)降至0.96 W/(m·K),降低了72.85%。热处理后花岗岩的导热系数与其质量损伤率、体积增加率和波速衰减率成负相关,可以用指数函数来表示。对比各物理参数的改性系数发现,在敏感性方面:纵波波速>导热系数>密度,因此纵波波速可以优先作为衡量花岗岩热损伤的指标参数。

关键词：岩石力学高温花岗岩地热开采冷却方式纵波波速导热特性

International experience of carbon neutrality and prospects of key technologies:Lessons for china

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Petroleum Science 2023年第2期20卷 893-909页

作者： Zheng-Meng Hou Ying Xiong Jia-Shun Luo Yan-Li Fang Muhammad Haris Qian-Jun Chen Ye Yue Lin wu Qi-Chen Wang Liang-Chao {1.ng Yi-Lin Guo Ya-Chen Xie Institute of Subsurface Energy Systems Clausthal University of TechnologyClausthal-Zellerfeld38678Germany School of Earth and Space Sciences Peking UniversityBeijing100871China State Key Laboratory of Oil and Gas Reservoir Geology and exploitation Southwest Petroleum UniversityChengdu610500SichuanChina Sino-German Energy Research Center Sichuan UniversityChengdu610065SichuanChina department of Petroleum&Gas {1. University of Engineering&Technology54890LahorePakistan Yunnan Key Lab.of Sino-German Blue mining and Utilization of Special Underground Space Kunming650093YunnanChina Sino-German Research Institute of Carbon Neutralization and Green Development Zhengzhou UniversityZhengzhou450000HenanChina State Key Laboratory of Geomechanics and Geotechnical engineering Institute of Rock and Soil MechanicsChinese Academy of SciencesWuhan430071HubeiChina

Carbon neutrality(or climate neutrality)has been a global consensus,and international experience exchange is *** the differences in the degree of social development,resource endowment and technological level,each country should build a carbon-neutral plan based on its national *** with other major developed countries(e.g.,Germany,the United States and Japan),{1.'s carbon neutrality has much bigger challenges,including a heavy and time-pressured carbon reduction task and the current energy structure that is over-dependent on fossil *** we provide a comprehensive review of the status and prospects of the key technologies for low-carbon,near-zero carbon,and negative carbon *** innovations associated with coal,oil-gas and hydrogen industries and their future potential in reducing carbon emissions are particularly explained and *** on integrated analysis of international experience from the world's major developed countries,in-depth knowledge of the current and future technologies,and {1.'s energy and ecological resources potential,five lessons for the implementation of {1.'s carbon neutrality are proposed:(1.transformation of energy production pattern from a coal-dominated pattern to a diversified renewable energy pattern;(2)renewable power-to-X and large-scale underground energy storage;(3)integration of green hydrogen production,storage,transport and utilization;(4)construction of clean energy systems based on smart sector coupling(ENSYSCO);(5)improvement of ecosystem carbon sinks both in nationwide forest land and potential desert in Northwest *** paper provides an international perspective for a better understanding of the challenges and opportunities of carbon neutrality in {1.,and can serve as a theoretical foundation for medium-long term carbon neutral policy formulation.

关键词： International experience Carbon reduction technologies Carbon neutrality Energy transition Underground energy storage Carbon capture,utilization and storage(CCUS)

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关于煤系石墨鉴定标准的讨论

煤田地质与勘探 2022年第12期50卷 105-113页

作者：曹代勇王路朱文卿吴国强魏迎春宁树正王桂香肖金成徐祥刘亢中国矿业大学(北京)地球科学与测绘工程学院北京100083 山西能源学院地质与测绘工程系山西晋中030600 湖南省煤炭地质勘查院湖南长沙410000 中国煤炭地质总局勘查研究总院北京100039 中化地质矿山总局河南地质局河南郑州450000

煤系石墨的鉴别及其类型划分,是矿产地质勘查和资源开发利用的前提条件和基础性工作,制定煤系石墨鉴定标准应遵循科学性、系统性、适用性和可操作性的原则。煤石墨化作用与煤化作用是连续递进加跃变的演化过程,煤系石墨的大分子结构阶... 详细信息

煤系石墨的鉴别及其类型划分,是矿产地质勘查和资源开发利用的前提条件和基础性工作,制定煤系石墨鉴定标准应遵循科学性、系统性、适用性和可操作性的原则。煤石墨化作用与煤化作用是连续递进加跃变的演化过程,煤系石墨的大分子结构阶跃性演化和物质组成非均质性等特点,造成矿种鉴别的复杂性。为制定科学实用的鉴定标准,从成矿机制研究和资源评价需求出发,按照矿石总体石墨化程度由高至低,划分了煤系石墨一号、二号、三号等3种类型;在前期工作的基础上,补充了1.0多组实测数据,修改完善了由初步鉴定指标和精确鉴定指标构成的煤系石墨鉴定指标体系。初步鉴定指标包括挥发分产率V_(daf)和最大反射率R_(max),用于资源评价和地质勘查阶段初步区分煤与煤系石墨;精确鉴定指标包括晶面间距d_(002)及其等效的石墨化度G、拉曼光谱参数R_(2),用以精确鉴别煤与煤系石墨,并划分煤系石墨类型。基于涵盖我国主要煤系石墨矿山500余组样品实测数据统计分析结果,确定了煤系石墨类型划分指标:煤系石墨一号,0.3354 nm≤d_(002)0.70)、R_(2)2)0.50~0.70)、R_(2)值范围0.50~0.60;煤系石墨三号,0.3400 nm≤d_(002)0~0.50),R_(2)值范围0.50~0.60。根据上述指标,建立了煤系石墨鉴定模板,主要煤系石墨矿山样品测试数据表明,该鉴定模版具有实用性和可操作性。

关键词：煤系石墨鉴定标准指标类型划分鉴定模板

Geological characteristics and development potential of transitional shale gas in the east margin of the Ordos Basin,NW china

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Petroleum Exploration and Development 2020年第3期47卷 471-482页

作者： KUANG Lichun DONG Dazhong HE Wenyuan WEN Shengming SUN Shasha LI Shuxin QIU Zhen LIAO Xinwei LI Yong wu Jin ZHANG Leifu SHI Zhensheng GUO Wen ZHANG Surong Science and technology Management {1. of china National Petroleum Corporation Beijing 100007China Petrochina Research Institute of Petroleum Exploration&Development Beijing 100083China china Petroleum Consulting Center Beijing 100724China Petrochina Coalbed Methane Company Limited Beijing 100028China china {1. of Petroleum Beijing 102249China china {1. of mining and technology Beijing 100083China

The shales in the 2nd Member of Shanxi formation in the east margin of the Ordos Basin were deposited in a marine-nonmarine transitional environment during the *** on the recent breakthroughs in the shale gas exploration and theoretical understandings on the shale gas of the study area,with a comparison to marine shale gas in the Sichuan Basin and marine-nonmarine transitional shale gas in the U.S.,this study presents the geological characteristics and development potential of marine-nonmarine transitional gas in the study *** geological features are identified in the 2nd Member of the Shanxi Formation in the study area has:(1.stable sedimentary environment is conductive to deposition of widely distributed organic shale;(2)well-developed micro-and nanoscale pore and fracture systems,providing good storage capacity;(3)high content of brittle minerals such as quartz,leading to effectively reservoir fracturing;and(4)moderate reservoir pressure and relatively high gas content,allowing efficient development of shale *** 2nd Member of Shanxi Formation in the east margin of Ordos Basin is rich in shale gas *** favorable zones,Yulin-Linxian,Shiloubei-Daning-Jixian,and Hancheng-huangling are developed,with a total area of 1.28×1.4 km2 and resources between 1.8×1.1. and 2.9×1.1.m3,indicating a huge exploration *** of the 2nd Member of Shanxi Formation in vertical wells show that the favorable intervals have stable gas production and high reserves controlled by single well,good recoverability and *** shale interval has sufficient energy,stable production capacity,and good development prospects,as evidenced by systematic well *** east margin of the Ordos Basin has several shale intervals in the Shanxi and Taiyuan formations,and several coal seams interbedded,so collaborative production of different types of natural gas in different intervals can be *** study results can provide reference for shale gas ex

关键词： shale gas marine-nonmarine transitional shale favorable area collaborative production Permian Shanxi Formation Ordos Basin

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矿井顶板水害瞬变电磁正演模拟及应用

昆明理工大学学报（自然科学版） 2023年第3期48卷 62-71页

作者：朱榕王耀许洋铖郑万波刘常昊谭春琳吴燕清杨志全昆明理工大学理学院云南昆明650500 昆明理工大学公共安全与应急管理学院云南昆明650093 昆明理工大学应急管理部地质灾害风险防控与应急减灾重点实验室云南昆明650093 重庆大学煤矿灾害动力学与控制国家重点实验室重庆400044 重庆大学资源与安全学院重庆400044

矿井水害问题伴随着矿产资源开采深度的加深日益突出,富水体形态不易确定,位置不明,极易造成突水事故.本文基于煤矿瞬变电磁探测矿井富水体响应规律,采用有限元法对矿井采掘工作面顶板富水性进行多角度全空间数值模拟,分析不同角度矿井... 详细信息

矿井水害问题伴随着矿产资源开采深度的加深日益突出,富水体形态不易确定,位置不明,极易造成突水事故.本文基于煤矿瞬变电磁探测矿井富水体响应规律,采用有限元法对矿井采掘工作面顶板富水性进行多角度全空间数值模拟,分析不同角度矿井顶板富水体的感应电流密度响应特征.结果表明:(1.探测角度为9°和1.°时,整体模拟效果更佳,锲合工作面实际探测的需求.当富水体在高阻煤层时,富水体外部等值线密集,感应电流密度极大值在富水体轮廓中;当富水体位于顶板时,富水体上部等值线密集,感应电流密度极大值位于富水体内上部;(2)富水体感应电流密度等值线轮廓以椭圆形为主,随着探测角度的增大,感应电流密度等值线逐渐稀疏,但富水体的整体轮廓不变;(3)探测角度增大,感应电流密度极大值降低但不会影响感应电流密度极大值在富水体内部出现的现象,因此可根据感应电流密度极大值判断富水体的位置.本文通过对典型煤矿富水体分布规律研究,改进了矿用瞬变电磁仪的正演模拟方法,推动了新的反演解释算法及软件开发,为非煤矿山、金属矿山、隧道工程等井工或地下作业场景水害探测防治提供一种新的技术与方法.

关键词：矿井采掘工作面顶板水害探测瞬变电磁法正演模拟感应电流密度