• 责任者：Chen Liqiong (Geological Research Institute of Jiangsu Oilfield Company ; SINOPEC ; Yangzhou 225009 ; China) ; Li Hao
• 刊名：Acta Geoscientica Sinica
• 出版年：2009
• 卷期：30(3)
• 关键词：油气运移 ; oil and gas migration ; 断裂带 ; fracture zones ; 苏北盆地 ; Subei Basin
• 页码：p.404-412
• 图表：4 illus., 2 tables, 6 refs.
• 分类号：1003
• issnNo：ISSN1006-3021
• isbnNo：CN11-3474/P

The Chenbao oilfield located in eastern Wubao fault belt comprises faulted reservoirs composed of Chen 2 block and Chen 3 block. The migration of petroleum into the reservoirs from the Liuwushe sag remains a problem unclear to researchers. An analysis of the evolution of the faulted structure in the Wubao fault zone has revealed that faults play an important role in the generation, migration and accumulation of the petroleum. The difference of maturation between the upper reservoirs and the lower reservoirs was caused by different infilling periods and different migration pathways in different epochs, which resulted from the evolution of the faulted structures. It seems that the petroleum derived from the source rocks first migrated along small faults, then accumulated along the Wu 1 fault, and finally moved upwards into different reservoirs. The migration of the petroleum in the Chenbao area has the following characteristics: petroleum came from the same source bed but developed in different periods, and it migrated along different pathways.