STRUCTURAL CHARACTERISTICS OF THE CENTRAL UPLIFT BELT OF THE DONGYING SAG, THE BOHAI BAY BASIN
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摘要: 断裂发育是渤海湾盆地东营凹陷中央隆起带的主要特征。运用盆地分析技术和调节带理论研究认为,中央隆起带的构造特征是二级断层控制隆起带的形成,三级、四级断层控制局部构造的形成并对局部构造起复杂化作用,断裂组合样式制约油气富集程度。综合应用地震、钻井资料,采用相干和小波变化等技术,精细解释复杂断块构造,建立了复杂断块油藏研究、描述、表征与预测的方法和配套技术,经勘探开发证实有极大的推广价值。Abstract: Faults development is the main characteristic of central uplift belt in the Dongying Sag of BohaiBay Basin.Structural features of the central uplift belt have been investigated by basin analysis and accommodation zone theory,indicating that,uplift forming has been controlled by the second grade faults,local structure has been controlled and complicated by the third and forth grade faults,and oil-gas accumulation level has been controlled by the combination features of faults.Seismic and log data,coherence technology and wavelet transformation are presented to interpret faulted block,resulting in the method of complicated fault block oil-gas pool study,description as well as forecast,proved effective in exploration and development practice.
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