准噶尔盆地西北缘哈山地区火山岩储层发育期次及成因机制(英文版)_PDF下载[61MB-百度云]袁海锋

ContentsChapter 1 Regional Geological Setting 11.1 Geological setting of the Junggar Basin 11.1.1 Overview of the basin 11.1.2 Structural evolution and structural unit division 21.2 Geological setting of the northwestern margin of the Junggar Basin 41.2.1 Geological setting 41.2.2 Structural evolution 6Chapter 2 Reservoir Petrological Characteristics and Reservoir Space Types 102.1 Reservoir petrology 102.1.1 Volcanic breccia 102.1.2 Andesite 132.1.3 Basalt 152.1.4 Tuff 162.1.5 Clastic rock 172.2 Reservoir space types 192.2.1 Primary reservoir space 202.2.2 Secondary reservoir space 232.3 Factors influencing reservoir space development 272.3.1 Effect of lithology and lithofacies 272.3.2 Effect of dissolution 312.3.3 Effect of tectonic activity 32Chapter 3 Oil-source Correlation and Migration Pathway Tracing 343.1 Geochemistry of source rocks 353.1.1 Evaluation criterion of source rocks 353.1.2 Evaluation of source rocks 363.1.3 Biomarkers of source rocks 423.2 Geochemical features of crude oil and oil-source correlation 453.2.1 Physical properties of crude oil 453.2.2 Geochemical features of crude oil and oil-source analysis 453.3 Migration pathways and tracing of crude oil 513.3.1 Conducting system of crude oil 513.3.2 Tracing of crude oil migration pathways 55Chapter 4 Development Features of Reservoir Fractures 594.1 Development features of core fractures 594.1.1 Identification and statistic of fractures in coring sections 604.1.2 Filling features of fractures in coring sections 614.2 Imaging log responses of fractures 624.2.1 Imaging logging response of typical drilling fractures 654.2.2 High-conductivity fractures and high-resistivity fractures 77Chapter 5 Geochemistry of Fracture Fillings 875.1 Isotope geochemistry 875.1.1 Sr isotope 875.1.2 C and O isotopes 935.2 Fluid inclusion geochemistry 995.2.1 Inclusion petrography 1005.2.2 Fluorescence characteristics 1035.2.3 Homogenization temperature 105Chapter 6 Mechanical Properties of Reservoir Rocks 1076.1 Rock mechanics characteristics 1086.1.1 Sample information and test 1086.1.2 Sample test procedure and results 1106.1.3 Rock deformation characteristics 1126.1.4 Rock mechanics parameters 1176.2 Factors affecting mechanical properties of rock 1196.2.1 Influence of rock types on mechanical properties 1206.2.2 Influence of pre-existing weak planes on mechanical properties of rock 1216.2.3 Influence of confining pressure on mechanical properties of rock 122Chapter 7 Factors Affecting Fracture Development and Effectiveness 1247.1 Factors affecting fracture development 1247.1.1 Influence of lithology 1247.1.2 Influence of formation thickness 1267.1.3 Influence of structural position 1267.2 Development stages of fractures 1287.2.1 Sequence of fracture development 1287.2.2 Tectonic evolution and fracture development stage 1417.3 Fracture effectiveness and distribution 1447.3.1 Analysis on fracture effectiveness 1447.3.2 Distribution of effective fractures 147References 151