三肇凹陷葡萄花油层油气运聚成藏模式Hydrocarbon migration and accumulation mode in Putaohua oil layer of Sanzhao Depression
高兴有
GAO Xing-you (Hailaer-Tamutsag Research Center of Daqing Oilfield Company Ltd.
摘要(Abstract):
三肇凹陷葡萄花油层具有"满凹"含油的特征,断裂带和砂体共同控制油的分布。运移通道、动力、原油物性变化、压力系统和周边地区油田油岩对比认为,三肇凹陷葡萄花油层油侧向运移的可能性较小。油成藏模式主要为:沿晚期活动的断裂垂向运移后短距离侧向运移受断层和岩性边界遮挡聚集欠充注成藏模式,断裂控制了复杂的油水关系。
In Putaohua oil layer of Sanzhao Depression,petroliferous characteristics are featured by oil distributing in the whole depression,and both the fracture and belt and sandbody control the oil distribution.According to the comparison of migration pathway,dynamic force,oil physical property change and pressure system to the rocks in the periphery oilfields,it is believed that in Putaohua oil layer of Sanzhao Depression the possibility for the parallel migration of oil is not high.The main oil accumulation mode can be described as: after the vertical migration along the fracture that is active in late period,the short distance parallel migration of the oil is controlled by faults and lithologic boundary barrier to form under filled accumulation mode,and the fracture dominates the complicated oil-water relationship.
关键词(KeyWords):
三肇凹陷;葡萄花油层;运移和聚集;模式
Sanzhao Depression;Putaohua oil layer;migration and accumulation;mode
基金项目(Foundation): 国家“973”重点基础研究项目(2001CB209104)资助
作者(Author):
高兴有
GAO Xing-you (Hailaer-Tamutsag Research Center of Daqing Oilfield Company Ltd.
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