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song liao pen di xi shan yun dong qi di ying li chang yan hua dui you qi yun ju de ying xiang
Author(s): 
Pages: 398-406
Year: Issue:  4
Journal: Oil & Gas Geology

Keyword:  松辽盆地喜山运动地应力场油气运移聚集;
Abstract: Three eposodes of Himalaya movement had considerable appearences in SongliaoBasin.The first one happened between Late Tertiary and Early Quaternary.The regionalcompressive stress of NE-SW direction resulted by the effect of Indian Plate led to theformation of Xiao Hingganling Mountains and the second Songhuajiang-Nenjiang de-pressed zone.The second one took place between Middle and Upper Pleistocene.The com-pressive stress of NW-SE or nearly EW direction resulted by the effect of Pacific Plate ledto a large scale of hydrocarbon migration and accumulation,forming a number of anti-cline trapped hydrocarbon pools represented by Daqing placanticline.The third episode inHolocene restored the NE-SW compression that occurred in the first episode,resulting ina series of new hydrocarbon traps or hydrocarbon zones of NW-direction,and seriouslyreformed the NE-directional anticline trapped hydrocarbon pools.It is suggested that themain target of oil and gas exploration in Songliao Basin is to find new structural traps orhydrocarbon enriched zones of NW-direction.
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