收稿日期: 2010-03-07
修回日期: 2010-05-27
网络出版日期: 2010-08-10
基金资助
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Petroleum Formation and Accumulation in the Third Member of Shahejie Formation in Binhai Nose-Shaped High Structure
Received date: 2010-03-07
Revised date: 2010-05-27
Online published: 2010-08-10
根据歧口凹陷滨海断鼻沙三段油气包裹体特征及地层埋藏史的恢复，确定了研究区油气成藏期次和成藏时间，认为沙三段油气以晚期成藏为主,其中Qs1井为多次非连续充注2期成藏（早期和晚期）。结合构造活动特征、生排烃演化史及油气运聚史对油气成藏史进行了分析，认为沙三段油气藏分布主要受生烃演化阶段与构造发育配置关系的控制，并形成了“高油低气”的分布特征，研究区沙三段是寻找大气田的有利区域。
郭金凤, 李洪香, 苏俊青, 付东立, 李会慎, 杨冰 . 滨海断鼻沙三段油气成藏特征[J]. 天然气地球科学, 2010 , 21(4) : 554 -558 . DOI: 10.11764/j.issn.1672-1926.2010.04.554
According to fluid inclusion and recovery of buried history, we discussed the timing of petroleum formation and stages of its accumulation in the third member of Shahejie Formation in the Binhai nose\|shaped high structure. The petroleum in the third member of Shahejie Formation was accumulated at late period. The hydrocarbons in the Qs1 well were discontinuously filled for two stages (i.e. early period and late period). In accordance with tectonic activity, hydrocarbons-generating and exhausting history, oil and gas migrating and accumulating history, we consider that the hydrocarbon accumulation in the third member of Shahejie Formation was mainly constrained by correlation between hydrocarbon generation stage and structural development. Thus, a phenomenon that oil was distributed in the shallow place and gas was in the deep one occurs in the in the third member of Shahejie Formation as a prospecting areas for the large size petroleum pools.
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