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孔南地区沙河街组油藏受构造和沉积储层双重因素控制。为了进一步挖掘沙河街组油气资源潜力,应用地震资料分频处理、波形聚类分析和多参数属性提取等方法开展了储层预测研究。认为孔南地区砂体平面分布呈现出以下3个特征:隆凹相间的区域背景控制砂岩沉积体系的宏观分布;断裂活动和断裂组合控制砂体的走向;构造带控制砂岩的分散体系。
The Shahejie Formation reservoir in Kongnan area is controlled by the dual factors of structure and sedimentary reservoir. In order to further excavate the potential of oil and gas resources in Shahejie Formation, the reservoir prediction study was carried out by using seismic data frequency division processing, waveform clustering analysis and multi-parameter attribute extraction. It is thought that the distribution of sand body in Kongon area has the following three characteristics: the regional background of uplift and depression controls the macroscopic distribution of sandstone sedimentary system; the combination of fault activity and fault control sand body; the dispersion of sandstone controlled by tectonic belt.