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基于弹性波模拟的逆时偏移以及地震数据解释

摘要第7-8页
Abstract第8-9页
Acknowledgements第10-21页
1 Introduction第21-33页
    1.1 Motivation第21-22页
    1.2 Background:Seismic Depth imaging, Multicomponent, Seismic Migration第22-26页
        1.2.1 Seismic depth imaging第22页
        1.2.2 Single component and multicomponent seismic第22-25页
        1.2.3 Seismic Migration第25-26页
    1.3 Scientific way towards hydrocarbon exploration第26-27页
    1.4 Field data application (Nandpur gas field,Punjab platform area: Pakistan)第27页
    1.5 Elastic wave modelling第27-29页
    1.6 Reverse-time Migration第29-31页
    1.7 Thesis Overview第31-33页
2 Scientific way towards hydrocarbon exploration第33-88页
    2.1 Introduction第33-34页
    2.2 Seismic Data acquisition第34-43页
        2.2.1 Signal recording第34-41页
        2.2.2 Detection and recording of seismic waves:第41-43页
    2.3 Seismic data processing第43-51页
        2.3.1 Processing sequence第44-49页
        2.3.2 Data refinement第49-51页
    2.4 Seismic interpretation第51-53页
        2.4.1 Approach used in interpretation第52-53页
    2.5 Field Data Application (Nandpur Gas Field, Pakistan)第53-87页
        2.5.1 Field data Used for Interpretation第56-59页
        2.5.2 Tectonic framework of Pakistan第59-65页
        2.5.3 Interpretation of Given Seismic lines第65-66页
        2.5.4 Synthetic Seismogram第66-68页
        2.5.5 Marking reflector第68-74页
        2.5.6 Time and depth structure map第74-81页
        2.5.7 Geophysical well logging第81-87页
    Chapter summary第87-88页
3 Elastic wave modeling第88-120页
    3.1 Introduction第88-93页
    3.2 Elastic wave equations in curvilinear coordinates第93-95页
    3.3 Non-staggered DRP/OPT Maccormack Scheme第95-102页
    3.4 The non-uniform media第102-103页
    3.5 Implementation of free surface boundary condition第103-106页
        3.5.1 Physical free surface boundary condition at topographic surface第104-105页
        3.5.2 Traction imaging for traction derivatives第105-106页
    3.6 Numeric Source第106-107页
    3.7 Absorbing condition第107-111页
    3.8 Numerical Examples第111-119页
        3.8.1 A point reflector subsurface model (half space)第111-112页
        3.8.2 Modelling with a buried P-wave source第112-117页
        3.8.3 Elastic Wave Modelling with a surface source第117-119页
    3.9 Chapter summary第119-120页
4 Reverse-time migration based on Elastic seismic waves第120-163页
    4.1 Introduction第120-121页
    4.2 Principles of reverse-time migration第121-123页
        4.2.1 Hooke's law第121页
        4.2.2 Seismic waves time reversal第121-123页
    4.3 The wavefield imaging principle第123-124页
    4.4 Reverse Time Migration with subsurface Point Reflector Model第124-131页
        4.4.1 Forward modelling and downgoing waves第124-129页
        4.4.2 Reverse-time extrapolation and upgoing waves第129-131页
        4.4.3 Cross-correlation and time coincidence of waves第131页
    4.5 Imaging conditions第131-134页
        4.5.1 Cross-correlation imaging condition without normalization第131-132页
        4.5.2 Source normalized cross-correlation imaging conditions第132-134页
    4.6 Reverse-time migration:Topography Model第134-146页
        4.6.1 Reverse time migration Workflow第135-136页
        4.6.2 Modeling experiment for Uniform model第136-137页
        4.6.3 Modeling experiment for real model第137-141页
        4.6.4 Receiver wavefield backpropagation第141页
        4.6.5 Cross-correlation of source and receiver wavefield第141-143页
        4.6.6 Imaging techniques to improve final RTM Results第143-146页
    4.7 Pre-stack reverse time migration第146-149页
    4.8 Reverse time migration: Two layer Model第149-151页
    4.9 Reverse time migration: Marmousi Model第151-163页
        4.9.1 Modeling experiment for Uniform model第154-155页
        4.9.2 Modeling experiment for real model第155-160页
        4.9.3 Cross-correlation of source and receiver wavefield第160-163页
5 Conclusions and future Directions第163-168页
    5.1 Conclusions第163-166页
    5.2 Future Directions第166-168页
References第168-175页
Publications第175页

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