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Research on Key Technologies of High-precision Seismic Exploration in Liaohe Oilfield Land-water Transition Zone

Abstract第5-7页
1 Introduction第11-23页
    1.1 The basis and significance of the subject第11-13页
    1.2 Research status at home and abroad第13-18页
        1.2.1 Overseas research status第13-15页
        1.2.2 Domestic Research Status第15-18页
    1.3 Research contents and technical route第18-22页
        1.3.1 Main research contents第18-20页
        1.3.2 Technique route第20-22页
    1.4 Main results and innovation points第22-23页
2 Exploration overview of land-water transition zone in Liaohe Oilfield第23-37页
    2.1 The division of land-water transition zone第23-25页
    2.2 Area overview of the Liaohe Oilfield第25-31页
        2.2.1 Geographic overview第25-26页
        2.2.2 Regional geology第26-29页
        2.2.3 Complex near surface properties第29-31页
    2.3 Exploration overview and the existing problems第31-37页
        2.3.1 Exploration Overview第31-35页
        2.3.2 Existing problems第35-37页
3 Seismic Acquisition Technology第37-71页
    3.1 Investigation of fine surface structure第37-43页
        3.1.1 Conventional methods of the low-depression velocity layers survey第38-39页
        3.1.2 Applications of the survey methods of surface structure第39-41页
        3.1.3 Data analysis of surface structure第41-43页
    3.2 Seismic wave excitation technique第43-47页
        3.2.1 Research on excitation well depth第43-45页
        3.2.2 Shot array excitation technique第45-47页
    3.3 Seismic wave receiving technology in land and water transition zone第47-67页
        3.3.1 Land and water transition zone detector第48-53页
        3.3.2 The research on coupling mechanism of the detector on the transitional zone of land-water第53-57页
        3.3.3 Geophone array receiving technology第57-67页
    3.4 Design technology of the special observing system to the water-land transitional zone第67-71页
4 Surface consistent processing technology第71-90页
    4.1 Surface-consistent phase correction technique第73-77页
        4.1.1 The rationality to apply maximum stacking energy criterion to the surface consistent phase correction第74-75页
        4.1.2 The implement method of Surface-consistent phase correction第75-77页
    4.2 Surface-consistent amplitude processing第77-83页
        4.2.1 Surface-consistent amplitude compensation第77-82页
        4.2.2 Surface-consistent abnormal amplitude correction techniques第82-83页
    4.3 Surface-consistent wavelet processing第83-90页
        4.3.1 Principle of several deconvolution methods第84-87页
        4.3.2 Application of Tandem deconvolution第87-90页
5 Static correction第90-104页
    5.1 Static Correction technology第90-100页
        5.1.1 Static correction value第90-91页
        5.1.2 Field static correction第91-95页
        5.1.3 Refraction static correction第95-99页
        5.1.4 Instance analysis第99-100页
    5.2 Residual static correction第100-104页
        5.2.1 Classification of Residual Static Correction第100-101页
        5.2.2 Basic assumption of residual static correction processing第101-102页
        5.2.3 The theory of residual static correction第102-104页
6 Research of the high-fidelity noise suppressing technique第104-123页
    6.1 Research on random noise suppressing technique第104-112页
        6.1.1 Characteristics of random noises第105-106页
        6.1.2 Two typical methods for random noise suppressing第106-110页
        6.1.3 Research of the 3D random noise attenuation technique第110-112页
    6.2 Research of coherent interference suppression technique第112-123页
        6.2.1 Fundamental feature of linear interference第113-114页
        6.2.2 Methods used in suppressing linear noise第114-120页
        6.2.3 Case analysis第120-123页
7 High-precision seismic imaging technology第123-168页
    7.1 Pre-stack time migration第123-152页
        7.1.1 The basic concepts of pre-stack time migration and post-stack time migration第125-126页
        7.1.2 The basic principles of pre-stack time migration第126-128页
        7.1.3 Kirchhoff integral method of pre-stack time migration第128-133页
        7.1.4 Pre-stack time migration processing flow第133-135页
        7.1.5 Calculate travel time of pre-stack time migration第135-137页
        7.1.6 Research on pre-stack migration velocity analysis第137-147页
        7.1.7 Research on pre-stack migration aperture第147-152页
    7.2 Pre-stack depth migration第152-168页
        7.2.1 The theoretical basis of Kirchhoff integral method pre-stack depth migration第153-154页
        7.2.2 Problems existing in Kirchhoff integral with pre-stack depth migration第154-156页
        7.2.3 Measures taken to improve imaging accuracy第156-168页
8 Comprehensive application effect第168-198页
    8.1 3-D data application effect in Erjiegou region第169-190页
        8.1.1 General situation of work area第169-173页
        8.1.2 Seismic geological conditions第173-176页
        8.1.3 Analysis of exploration effectiveness第176-182页
        8.1.4 Collecting technology第182-184页
        8.1.5 Analysis of effect第184-190页
    8.2 High-precision seismic exploration is applicated in Ciyutuo-Changtan area第190-193页
    8.3 The prospecting effectiveness of Damin village area第193-198页
9 Conclusions and suggestions第198-202页
    9.1 Conclusions第198-200页
    9.2 Suggestions第200-202页
Reference第202-210页
Acknowledgments第210-211页
Resume第211页
Academic paper第211页

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