济阳坳陷不同领域油气勘探思路与方向
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王永诗(1964—),男,山东邹平人,正高级工程师,博士,从事石油地质研究与油气勘探管理工作。E-mail:wangysh623@sina.com。

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Ideas and directions for oil and gas exploration in different fields of Jiyang Depression,Bohai Bay Basin,China
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    摘要:

    济阳坳陷是中国东部典型陆相断陷盆地,经历了60 a勘探历程,目前已进入复杂隐蔽油气藏为主的精细勘探阶段。面临勘探程度高、资源发现程度高、勘探目标碎小隐蔽等严峻形势,深化油气勘探,实现规模增储、效益勘探成为必须解决的问题。通过系统梳理勘探现状及存在的关键问题,认为济阳坳陷沙四段上亚段及以上层系勘探程度高,为成熟领域;沙四段下亚段及以下层系勘探程度低,为“三新”领域;页岩油气资源潜力大,为接替领域。针对不同勘探领域,提出了相应的勘探思路,即精细勘探成熟领域稳定增储、风险勘探和预探“三新”领域规模发现、源内勘探页岩油气谋划长远。

    Abstract:

    Jiyang Depression is a typical continental faulted basin in eastern China. It has experienced 60 years of exploration and development and entered a fine exploration stage of complex subtle reservoirs. Given the high degree of exploration and resource discovery,small and hidden exploration targets,and other grave situations,it is necessary to deepen oil and gas exploration and realize large-scale storage increase and efficient exploration. After the systematical analysis of the existing exploration state and key problems,it is considered that the exploration degree in the Upper Submember and its upper strata of the Fourth Member of Shahejie Formation in Jiyang Depression is high,which is a mature field. The exploration degree in the Lower Submember and its lower strata of the Fourth Member of Shahejie Formation is low,which belongs to the “three-new”field. In addition,shale oil and gas resources have great potential,representing an alternative exploration field. In light of different exploration fields,corresponding exploration ideas are put forward,namely fine exploration in mature fields for stable reservoir increase,risk exploration and preliminary prospecting in the“three-new”fields for large-scale discovery,and in-source exploration of shale oil and gas fields for a long-term plan.

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王永诗.济阳坳陷不同领域油气勘探思路与方向[J].油气地质与采收率,2021,28(5):1~12

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  • 在线发布日期: 2021-12-20