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HM盆地页岩气井钻井过程中井壁失稳研究

摘要第4-5页
Abstract第5-6页
Chapter 1 Introduction第9-15页
    1.1 Objectives and Significance第9-10页
    1.2 Research Status第10-12页
    1.3 Background第12页
    1.4 Research Contents第12-13页
    1.5 Research Methodology第13-15页
        1.5.1 Literature Review第13-14页
        1.5.2 Experimental Method第14页
        1.5.3 Build a model to calculate Collapse pressure第14-15页
Chapter 2 Investigation of HM Basin Shale Properties and other Shales第15-34页
    2.1 Mechanical Properties第15-20页
    2.2 Analysis of Shale Fabric第20-26页
        2.2.1 Mineralogical Components第21-25页
        2.2.2 Micro- Structure of Shale Analysis第25-26页
    2.3 Analysis of Shale Physiochemical Properties第26-32页
        2.3.1 Shale scanning electron microscope experiment第26-27页
        2.3.2 Cation Exchange Capacity (CEC)第27-28页
        2.3.3 Shale Expansion Hydration第28-31页
        2.3.4 Shale Dispersion Hydration第31-32页
    2.4 Summary第32-34页
Chapter 3 Interaction of HM Basin Shale and other Shales with Drilling Fluid第34-46页
    3.1 Water Based Mud and Shale第35-37页
    3.2 Oil Based Mud and Shale第37-39页
    3.3 Evaluation of HM Basin Gas Shale after Contact with Drilling Fluid第39-44页
        3.3.1 Hydration expansion Performance Experiment第40-41页
        3.3.2 Cation exchange capacity Experiment第41页
        3.3.3 Hydration dispersion performance Experiment第41-42页
        3.3.4 The specific surface area Experiment第42-44页
    3.4 Summary第44-46页
Chapter 4 Analysis of Wellbore Instability in HM Basin Shale第46-66页
    4.1 Analysis of Wellbore Stresses第46-48页
    4.2 Failure Criteria第48-53页
        4.2.1 Mohr–Coulomb failure criterion第48-49页
        4.2.2 Mogi–Coulomb criterion第49页
        4.2.3 Drucker – Prager failure criterion第49-50页
        4.2.4 Hoek–Brown failure criterion第50页
        4.2.5 Modified Lade failure criterion第50-51页
        4.2.6 Comparison of the Above Failure criterions第51-53页
    4.3 Numerical Solution of collapse pressure calculation for bedding shales第53-56页
        4.3.1 Wellbore stability for weak plane第53-55页
        4.3.2 Wellbore stability for intrinsic rock matrix第55-56页
        4.3.3 Numerical solution for bedding shale第56页
    4.4 Modelling and Calculation Collapse Pressure with Bedding第56-57页
    4.5 Analysis and discussion of wellbore stability第57-65页
    4.6 Summary第65-66页
Conclusion第66-68页
Reference第68-71页
Acknowledgements第71页

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