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针对制约东营凹陷胜坨地区胜北断层下降盘深水浊积扇体岩性油藏勘探的关键地质问题,展开了深入研究和剖析。通过岩心观察、地质对比、古地形恢复等研究手段,对深水浊积扇沉积特征进行了再认识,对砂体分布规律展开精细研究,认为二台阶断层活动性、物源供给程度及下降盘古地形是三个主要的控制因素,并进行了定性分析,明确了砂体的分布规律。
Aiming at the key geological problems that restrict the exploration of lithologic reservoirs in turbidite fan body of Shengbei fault depression in Shengtuo area, Dongying depression, deep research and analysis are carried out. Through the observation of core, geological contrast and paleotopography recovery, the sedimentary characteristics of turbidite fan in deep water have been re-recognized, and the distribution of sand body has been studied carefully. It is concluded that the activity of the second platform fault, the degree of provenance and the descending plateau topography Is the three main control factors, and conducted a qualitative analysis, a clear distribution of the sand body.