Gong Jianming//Liao Jing//Asif Inam//Sun Zhen//Pan Jun等|責編:Wan Qunxia
目錄
Foreword I Foreword Ⅱ Preface Chapter 1 Regional Geology and Preliminary Results 1.1 Regional Geology 1.Tectonic evolution 2.Regional sedimentary evolution 1.2 History of Makran Gas Hydrate Research 1.Pakistani sea area 2.Iranian waters 1.3 Previous Research Results 1.Research results from other countries 2.Research results of Qingdao Institute of Marine Geology Chapter 2 Offshore Data Acquisition in the Northwest Indian Ocean 2.1 Purpose of the Survey 2.2 Research Vessels and Line Layout 1.Research vessels and equipments 2.Layout of seismic lines and stations 2.3 Seismic Acquisition Technical Requirements 2.4 Technical Requirements for Geochemical Sample Collection 1.Columnar sample 2.Pore water 3.CTD Chapter 3 Gas Hydrate Seismic Data Processing 3.1 Analysis of Raw Seismic Data 1.Low frequency background noise 2.Trace gaps 3.Cable noise 4.Multiple analysis 5.Spectrum analysis of original data 6.Summary of original data analysis 3.2 Seismic Data Processing Challenges and Processing Ideas 1.Processing challenges 2.Processing ideas 3.3 Key Technical Measurements 1.Cable noise attenuation affected by external forces 2.Noise attenuation from endogenous cables 3.Blank trace interpolation 4.Random noise attenuation 5.Multiple suppression 6.Velocity selection 7.Time migration 3.4 Seismic Data Processing Flow 3.5 Analysis of Processing Results 1.Significant interference and multiple suppression 2.High signal-to-noise ratio 3.High resolution 4.Clear characteristics of the effective wave group 5.Good closure condition of the survey line 3.6 Presentation of Result Profiles
Chapter 4 Analysis of Geochemical Sample Testing for Gas Hydrate 4.1 Geological Sample Characteristics 4.2 Geochemical Analysis 1.Pore water anion and cation analysis 2.Pore water isotope analysis 3.Sediment geochemical testing 4.3 Sediment Geochemical Characteristics 1.Geochemical characteristics of major and trace elements 2.Geochemical characteristics of pore water 4.4 Sulfate-Methane Interface (SMI) and Gas Sources 1.Sulphate reduction 2.SMI 3.Gas sources 4.5 Indication of Gas Hydrate Activity by Geochemical Anomalies Chapter 5 Interpretation of Gas Hydrate Seismic Data 5.1 Composition and quality of seismic data 5.2 Stratigraphic Sequence Characteristics 5.3 Thrust Fault Activity and Gas Chimneys 5.4 Patterns of Tectonic Evolution 5.5 Characterisation of Gas Hydrate Geophysical Anomalies 5.6 Characteristics of Free Gas Beneath BSR 5.7 Makran Accretionary Prism Gas Hydrate Transport and Accumulation System Chapter 6 Accumulation Models of Gas Hydrate in the Northwest Indian Ocean 6.1 Structures Characteristics of Active Continental Margin and Classification of Subduction Zones 1.Structural characteristics 2.Subduction zone classification 6.2 Characteristics of Gas Hydrate Accumulation in High Angle Subduction Zones 1.Sedimentary tectonic characteristics 2.BSR distribution characteristics 3.Gas source genesis and gas hydrate accumulation models 6.3 Characteristics of Gas Hydrate Accumulation in Makran Accretionary Prism 1.Sedimentary tectonic characteristics 2.BSR distribution characteristics 3.The genesis of the gas source 4.Transportation system 6.4 Makran Accretionary Prism Gas Hydrate Accumulation Model 1.Genetic types of gas hydrate in Makran Accretionary Prism 2.The 「two-storey structure」 gas hydrate accumulation model 3.The science of the 「two-storey structure」 model and its significance References
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