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The Type of Uplift Zones and Its Control for Hydrocarbon Accumulation in the Wuerxun-Beier Depression, Hailar Basin
详细信息   
摘要

Based on the research of characteristics of structural evolution, the formation and evolution history of different uplift belt and the control of uplift belt on hydrocarbon reservoir was analyzed. The study suggests that the evolution of Hailaer Basin went through five stages, intermountain basin of Tongbomiao Formation, Passive rift basin of Member K1n1 and K1n2, initiative rift basin of member K1n3 and K1n4, rift-depression basin of Damoguai-Yimin Formation and depression basin of Qingyuangang Formation. Owing to uplift and denudation in part of central uplift belt and fault-cut by tectonic inversion of Nantun Formation, Meteoric water eluviation alternated reservoir of bedrock buried hill and generate the reservoir accumulation zones.

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