Abstract
The deep fault system of Gaoliu structural belt in Nanpu depression is complex, especially the joint part of Gaobei and Gaoliu faults. Because of its close proximity to large faults and the poor quality of seismic data, the reliability of structural interpretation is low, which has long affected the development of oil fields. In order to verify the deformation process and genetic mechanism of Gaoliu structural belt, this study obtains a new understanding by selecting typical sections of Gaoliu structural belt to carry out structural physical simulation experiments: the normal fault trending NE and tilting NNW is the reverse extensional fault controlled by the Bogezhuang and Xinanzhuang faults, which formed in the early stage (Shahejie stage) of tension; Gaobei fault and Gaoliu fault It is a normal fault formed in the late stage of extension, which is in the same direction with the main boundary faults such as Bogezhuang and Xinanzhuang faults. It cuts the early reverse normal faults and controls the sedimentation of the strata after the Dongying Formation to different degrees.
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