Physical Simulation of Brush Structure in Linbei Area, Huimin Sag, Bohai Bay Basin
详细信息
- 责任者：Jia Hongyi (Geophysical Research Institute ; Shengli Oilfield Company ; SINOPEC ; Dongying 257022 ; China) ; Tan Mingyou
- 刊名：Petroleum Geology & Experiment
- 出版年：2013
- 卷期：35(1)
- 关键词：帚状构造 ; brush structure ; 构造模拟试验 ; 惠民凹陷 ; Huimin Sag
- 页码：p.92-97
- 图表：illus., 22 refs.
- 分类号：0300
- issnNo：ISSN1001-6112
- isbnNo：CN32-1151/TE
摘要
Geological structure is very complicated in the Huimin Sag of the Bohai Bay Basin.The brush structure in Linbei area of the Huimin Sag was studied.Based on geologic,logging and seismic data,a geological model for the generation of typical brush structure in the study area was established.The paleo-stress circumstance when the brush structure developed was simulated through the dynamic modeling of tectonic deformation.The brush structure in Linbei area was controlled by the dextrorotatory strike slip tectonic stress field.Several sets of NE oriented echelon normal faults generated from north to south.The evolution sequence was featured by opening in the north and closing in the south.During the period from Es4 to Ed,structural activity changed from weak to strong and then to relatively strong,controlling sediment and the generation and migration of main deltas(nose structures).
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