声明
致谢
变量注释表
1. 绪论
1.2 国内外研究现状及存在的问题 (Research Status at Home and Abroad)
1.3 研究内容与方案 (Research Content and Research Scheme)
2 沁水盆地煤储层超临界CO2注入地质条件
2.1 地质条件概况(Geological Conditions)
2.2 煤储层物性特征(Physical properties of coal reservoir)
2.3 超临界 CO2的物性特征(Physical properties of Supercritical CO2)
3 煤岩中注入超临界CO2的膨胀应力应变效应
3.1 实验平台介绍(Introduction of Experimental Platform)
3.2 电阻应变片的测试原理与方法(Strain Testing Principle and Method of Resistance Strain Gauge)
3.3 实验模拟介绍(Introduction of Experimental Simulation)
3.4 CO2的吸附量计算和修正(Calculation and Correction of CO2 Adsorption Capacity)
3.5 煤中CO2的吸附与体积膨胀特征 (Adsorption and Swelling Characteristics of CO2 in Coal)
3.6 煤岩的吸附膨胀应变特征( Adsorption Swelling Strain Characteristics of Coal-Rock)
3.7 煤岩的吸附膨胀应力特征( Adsorption Swelling Stress Characteristics of Coal-Rock)
3.8 小结(Summary)
4 煤岩中注入超临界CO2的力学性质响应及软化机理
4.1 实验模拟方案(Experimental Simulation Scheme)
4.2 煤岩中注入 CO2 三轴力学实验结果( Results for Triaxial Mechanical Experiment of Coal-Rock with CO2 Injection)
4.3 煤岩中注入 CO2 力学性质响应( Mechanical Property Responses of Coal-Rock with CO2 injection)
4.4 CO2注入后煤岩的破坏模式分析( Failure pattern analysis of Coal-Rock after CO2 injection)
4.5 CO2注入后煤岩的力学性质软化机理( Mechanical Property Softening Mechanism of Coal-Rock with CO2 Injection)
4.6 小结(Summary)
5 超临界CO2注入过程中煤储层的渗透率动态演化及数值模型
5.1 实验模拟方案(Experimental Simulation Scheme)
5.2 CO2 注入过程中渗透率动态演化( Dynamic Evolution of Permeability during CO2 Injection Process)
5.3 煤岩渗透率的各向异性特征( Anisotropic Characteristics of Permeability in Coal-Rock)
5.4 CO2吸附和应力对煤岩各向异性渗透率的影响(Effects of CO2 Adsorption and Stress on Anisotropic Permeability of Coal-Rock)
5.5 CO2 注入过程中煤岩各向异性渗透率模型( Anisotropic Permeability Model of Coal-Rock during CO2 Injection Process)
5.6 渗透率模型的验证(Verification of Permeability Model)
5.7 小结(Summary)
6 煤储层超临界CO2可注性评价及增注措施
6.1 煤储层超临界 CO2 可注性模型的建立( Establishment of Supercritical CO2 Injectivity Model of Coal Reservoir)
6.2 煤储层超临界CO2可注性实验模拟(Experimental Simulation of Supercritical CO2 Injectivity in Coal Reservoir)
6.3 间歇式注入提高煤储层 CO2可注性实验模拟(Experimental Simulation on Enhanced CO2 Injectivity of Coal Reservoir by Intermittent Injection)
6.4 注 N2 提高煤储层 CO2 可注性实验模拟( Experimental Simulation on Enhanced CO2 Injectivity of Coal Reservoir by N2 Displacement)
6.5 预压裂提高煤储层 CO2 可注性实验模拟( Experimental Simulation on Enhanced CO2 Injectivity of Coal Reservoir by Pre-fracturing)
6.4 小结(Summary)
7 结论与创新点
7.1 主要结论(Conclusions)
7.2 创新点(Innovations)
参考文献
作者简历
学位论文数据集