Abstract：Northern Dagang buried hill zone located between Qikou sag and Banqiao sag is mainly divided into two structural parts, viz. the main body and the periclinal area. The buried hill zone has obvious evolution characteristics of negative inversion structure. Structural reservoirs around the high point of the buried hill was given priority to in the previous exploration. Through carefully analyzing the characteristics of the northern Dagang buried hill zone, it can be drawn that the tectonic periclinal area with the low degree of exploration is a very prospective structural zone, which has the favorable hydrocarbon accumulation conditions, such as adjacent to source fault, the developed karst reservoir in the paleo-weathering crust, and the updip direction sealed by segmentation fault or lateral reservoir heterogeneity.
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Zhu Ziqiang, Lu Gangchen, Li Yuhai, Zhao Xiuli, Sui Xiangjun, Li Li. Reservoirs characteristics and exploration prospect in the flank zone of buried hills, northern Dagang. OGP, 2015, 50(1): 150-155.
Zhang Yaguang, Su Junqing, Zhu Yinxia et al. The geological characteristics of Qianmiqiao buried hill condensated pool. Natural Gas Geoscience, 2003,14(4):264-266.
Yu Xuemin, Su Junqing, Wang Zhensheng. The basic geological characteristics of Qianmiqiao buried hill hydrocarbon reservoir. Petroleum Exploration and Deve-lopment, 1999,26(6):7-9.
Chen Gongyang, He Xian, Tao Ziqiang et al. The paleo-Karst characteristic and reservoir assessment of carbonate buried hill in Qianmiqiao area. Natural Gas Geoscience, 2003,14(5):375-379.
Wu Yongping, Fu Lixin, Yang Chiyin et al. Effect of Mesozoic tectonic evolution on hydrocarbon accumulation in buried hills in Huanghua depression. Acta Petrolei Sinica, 2002,23(2):16-22.
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杨池银.千米桥潜山凝析气藏成藏期次研究.天然气地球科学,2003,14(3):181-185.
Yang Chiyin. Research on formation terms of condensated gas reservoir in Qianmiqiao buried hill. Natural Gas Geoscience, 2003,14(3):181-185.
