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Coalbed Methane in China:Geological Theory and Development
  • 书号:9787030669094
    作者:
  • 外文书名:
  • 装帧:圆脊精装
    开本:大16
  • 页数:445
    字数:800000
    语种:en
  • 出版社:科学出版社
    出版时间:2020-11-01
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  • 定价: ¥598.00元
    售价: ¥598.00元
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煤层气是我国资源潜力大、开发程度低的非常规天然气资源,也是我国目前最现实的接替能源。本书针对煤层气勘探开发的难点,围绕“煤层气生成的动力学过程、煤层气储集机理及成藏响应、煤层气藏富集分布及主控因素、煤层气经济开采的基础理论”四个科学问题开展研究,主要内容包括3方面:煤层气勘探开发现状及研究基础;煤层气地质理论与评价预测技术;煤层气开采机理与技术。本书阐述了我国煤层气成因、赋存、成藏和渗透率变化等方面的规律和机制,形成了从煤层气可采资源预测、综合地质评价、地球物理探测、开采优化设计的技术系列并服务于煤层气开发实践,是一部理论与实践结合密切的煤层气领域专著。
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目录

  • Contents
    Foreword 1 i
    Foreword 2 iii
    Preface v
    Chapter 1 Status Quo and Research of CBM Exploration and Development 1
    1.1 CBM Development Status Quo in Some Countries 1
    1.1.1 CBM industry development in the United States 1
    1.1.2 CBM industry development in other countries 3
    1.2 CBM Industry Development Course in China—Theory and Technology Status 5
    1.2.1 Development course 5
    1.2.2 Progress in basic research 6
    1.2.3 Status and progress of CBM exploration and development technology in China 9
    1.3 Key Scientific and Technological Challenges in CBM Exploration and Development in China 11
    References 12
    Chapter 2 Genesis and Criteria of CBM 14
    2.1 Geochemical Characteristics of CBM and Its Difference from Natural Gas 14
    2.1.1 Sample testing method 14
    2.1.2 Composition and basic characteristics 14
    2.1.3 Composition and distribution of isotope 15
    2.1.4 Difference and specificity of isotope composition 16
    2.2 Control Factors on Carbon Isotope Indicator 17
    2.2.1 Desorption and fractionation of methane carbon isotope 17
    2.2.2 Impact of secondary biogenic gas on methane carbon isotope composition 19
    2.2.3 Impact of microscopic composition of coal rock on methane carbon isotope composition 20
    2.3 Genetic Classification and Geochemical Tracer System 20
    2.3.1 Primary biogenic CBM 21
    2.3.2 Thermally degraded CBM 22
    2.3.3 Thermally cracked CBM 24
    2.3.4 Secondary biogenic CBM 26
    2.3.5 Mixed CBM 28
    2.3.6 Tracer indicator system 32
    2.4 Characteristics and Formation Mechanism of Secondary Biogenic CBM 33
    2.4.1 Characteristics 33
    2.4.2 Organic geochemistry and microbial degradation 33
    References 46
    Chapter 3 Characterization and Controlling Factors of CBM Reservoirs 49
    3.1 CBM Reservoir Space 49
    3.1.1 Pore system 49
    3.1.2 Fracture system 55
    3.2 Characterization and Mathematical Model of Favorable Coal Reservoirs 60
    3.2.1 Pore system model 60
    3.2.2 Heterogeneous models of CBM reservoir 69
    3.3 Forming Mechanism and Controlling Factors of Favorable Coal Reservoirs 73
    3.3.1 Coal diagenesis 73
    3.3.2 Changes in porosity and permeability during coalification 81
    3.3.3 Structural stress and strain response 84
    3.3.4 Control of basin evolution on coal reservoir physical properties 92
    References 95
    Chapter 4 Coal Absorption Characteristics and Model under Reservoir Conditions 97
    4.1 Experimental Study on Methane Absorption Characteristics under the Combined Influences of
    Temperature and Pressure 98
    4.1.1 Isothermal absorption experiment 98
    4.1.2 Temperature-variable and pressure-variable absorption experiment 99
    4.2 Absorption Characteristics of Coal under Formation Conditions 101
    4.2.1 Effect of temperature on coal absorption capacity 101
    4.2.2 Effects of temperature and pressure on coal absorption capacity 102
    4.2.3 Change mechanism of adsorption capacity under reservoir conditions 106
    4.3 Adsorption Model under Reservoir Conditions 107
    4.3.1 Characteristic curve of methane adsorption 107
    4.3.2 High-pressure isothermal adsorption curve and its correction to k value 108
    4.3.3 Absorption model 111
    4.4 Verification and Application of Models 112
    4.4.1 Verified models by isothermal adsorption experiments 112
    4.4.2 Temperature- and pressure-variable experiment results and models 114
    4.4.3 Coal adsorption capacity in Qinshui Basin 116
    4.4.4 Scientific and applied values 119
    References 120
    Chapter 5 Dynamic Conditions and Accumulation/Diffusion Mechanism of CBM 121
    5.1 Structural Dynamics for CBM Accumulation 121
    5.1.1 Structural evolution laid the foundation for CBM accumulation 121
    5.1.2 Structural differentiation causes complicated dynamic conditions 125
    5.1.3 Transformation from tectonic dynamics on coal seams controls permeable CBM zones 126
    5.1.4 Combined structural dynamic conditions control the basic pattern of CBM accumulation and distribution 129
    5.2 Thermal Dynamic Conditions and Accumulation/Diffusion History of CBM 129
    5.2.1 Thermal history of Carboniferous-Permian coal seams 129
    5.2.2 Middle Yanshanian tectonic thermal event and its thermodynamic source 132
    5.2.3 Numerical simulation of CBM accumulation/diffusion history 134
    5.2.4 Control of thermodynamic conditions on CBM accumulation 141
    5.3 Control and Mechanism of Underground Hydrodynamic System on CBM Accumulation and Diffusion 141
    5.3.1 Hydrogeological unit boundary and its internal structural differences and characteristics of CBM accumulation and diffusion 141
    5.3.2 Underground hydrodynamics zoning and CBM-bearing characteristics 145
    5.3.3 Groundwater geochemical field and CBM preservation conditions 148
    5.3.4 Groundwater head height and gas-bearing properties 150
    5.3.5 Control effect of groundwater dynamic conditions and its manifestation 153
    5.3.6 Relationship between hydrodynamic conditions and CBM enrichment 155
    5.4 Coupling Controls of Dynamic Conditions on CBM Reservoirs 158
    5.4.1 Geological dynamic conditions 158
    5.4.2 Representational dynamic conditions 159
    5.4.3 Energy dynamic balance system and its geological evolution process 162
    5.4.4 CBM accumulation effect and model 168
    References 183
    Chapter 6 Formation and Distribution of CBM Reservoirs 184
    6.1 Meaning and Types of CBM Reservoir 184
    6.1.1 Meaning of CBM Reservoir 184
    6.1.2 Differences between CBM reservoirs and conventional natural gas reservoirs 184
    6.1.3 Boundary and types of CBM reservoir 185
    6.1.4 Types of CBM reservoir 189
    6.2 Accumulation Process and Accumulation Mechanism of Medium- to High- Ranked CBM
    Reservoir 191
    6.2.1 Theoretical basis of CBM accumulation 191
    6.2.2 Analysis of reservoir forming mechanism of typical CBM reservoirs 196
    6.2.3 Geological models of CBM reservoirs 216
    6.3 Mechanism and Favorable Conditions of CBM Accumulation 219
    6.3.1 Comparison of CBM source conditions 219
    6.3.2 Comparison of CBM reservoir conditions 222
    6.3.3 Features of CBM occurrence comparison 225
    6.3.4 Reservoir forming process 228
    6.3.5 Hydrogeological conditions 230
    6.4 Controlling Factors and Distribution Rules of CBM Enrichment 236
    6.4.1 Structural control and key period 236
    6.4.2 Control of effective overburden and coal seam roof/floor on CBM accumulation 240
    6.4.3 Theory of CBM enrichment in synclines 244
    References 246
    Chapter 7 Evaluation and Prediction of Technically Recoverable CBM Resources 249
    7.1 Classification System 249
    7.2 Prediction Methods of CBM GTR 251
    7.2.1 Controlling factors on CBM recoverability 251
    7.2.2 Determination methods for important CBM parameters 254
    7.2.3 Predicting methods of CBM GTR 266
    7.3 Potential Analysis of CBM GTR in China 270
    7.3.1 Division of CBM enrichment units 271
    7.3.2 Predicted CBM GTR in China 280
    7.3.3 Distribution of CBM GTR in China 288
    References 290
    Chapter 8 Seismic Prediction Technology of Favorable CBM Zones 292
    8.1 Primary Geological Attributes of CBM Occurrence and Prediction 292
    8.1.1 Seismic survey to coal seam depth 292
    8.1.2 Coal seam thickness from seismic inversion 292
    8.1.3 Roof lithology from seismic inversion 294
    8.1.4 Seismic waveform classification for predicting CBM content 299
    8.2 Multiwave Seismic Responses and Prediction of Fractures in Coal Seams 301
    8.2.1 Multiwave seismic responses of vertical fractures 301
    8.2.2 Detection of vertical fractures by multiwave seismic data 303
    8.3 AVO Inversion and Prediction of CBM Enrichment Zones 315
    8.3.1 Basic dynamics of AVO theory 315
    8.3.2 The basis of using AVO to detect CBM 316
    8.3.3 AVO responses of controlling geological parameters on CBM enrichment 316
    8.3.4 AVO responses of CBM enrichment zones 318
    8.3.5 Three-parameter AVO method for CBM zones 320
    8.3.6 Three-parameter AVO prediction of CBM enrichment zones 322
    References 324
    Chapter 9 Comprehensive Evaluation of Geological Conditions for Coalbed Methane Development 325
    9.1 Favorable Zones for Coalbed Methane Development in China 325
    9.1.1 Overview of coalbed methane resources in China 325
    9.1.2 Comprehensive evaluation and optimum selection of favorable areas for CBM development 329
    9.2 Evaluation and Optimization of CBM Enrichment Zone (Target Area) in Key Basins 331
    9.2.1 Evaluation methods, parameter and criteria 331
    9.2.2 Evaluation of CBM enrichment zones (target) in key coal basins 348
    References 354
    Chapter 10 Desorption-Seepage Mechanism and Development Schemes 356
    10.1 Elastic Mechanics of Coal Rock in Multiphase Medium 356
    10.1.1 Triaxial mechanical experiment 356
    10.1.2 Experimental principle 357
    10.1.3 Triaxial mechanical characteristics 358
    10.1.4 Volume compressibility and bulk modulus 360
    10.2 Permeability Change of Coal Reservoir While Mining 362
    10.2.1 Permeability experiment 362
    10.2.2 Self-regulating effect model 367
    10.3 Desorption-seepage Mechanism of CBM in Production Process 369
    10.3.1 Characteristics of CBM production 369
    10.3.2 Kinetic characteristics and desorption behavior of CBM desorption 370
    10.3.3 CBM seepage mechanism 376
    10.4 Optimal CBM Reservoir Development Schemes 380
    10.4.1 CBM production performance 380
    10.4.2 Comparison of development schemes 384
    References 385
    Chapter 11 Stimulation Mechanism and Application 386
    11.1 Hydraulic Fracturing Stimulation 386
    11.1.1 Experimental study 386
    11.1.2 Characteristics of induced fractures 400
    11.1.3 Fracture distribution model 405
    11.1.4 Hydraulic fracturing measures and technology 415
    11.2 Stimulation Mechanism of Multi-branch Horizontal Wells 417
    11.2.1 Mathematical and numerical models 417
    11.2.2 Stimulation mechanism of multi-branch horizontal CBM wells 430
    11.2.3 Application conditions and economic analysis 436
    11.3 Application Cases 437
    11.3.1 Fracturing operation and effect 437
    11.3.2 Application of multi-branch horizontal wells and result analysis 442
    References 443
    Conclusions 444
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