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琼东南盆地深水区松南低凸起勘探潜力评价 被引量:15

Exploration potential of Songnan low-uplift in the deep water region,Qiongdongnan basin
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摘要 松南低凸起位于琼东南盆地深水区中央坳陷中部。通过层序地层和沉积相研究以及成藏条件分析认为松南低凸起四面环凹,供烃充足,存在生物礁灰岩、水道砂岩、滨海相砂岩和(扇)三角洲砂岩等储层类型,储盖组合发育,主要发育了浅层水道内的岩性(构造+岩性)圈闭和中深层的构造圈闭以及构造+地层复合型圈闭,油气成藏条件优越。在上述研究基础上,将松南低凸起划分为松南低凸起西部(断)背斜构造带和松南低凸起东部断背斜、断阶构造带,优选松南低凸起西部(断)背斜构造带为勘探有利区带,永乐X-1目标为有利钻探目标。 Songnan low-uplift lies in the middle part of the central depression of Qiongdongnan basin. According to the research on sequence stratigraphy and sedimentary facies and analysis of hydrocarbon accumulation conditions,it's surrounded by hydrocarbon sag, in full of oil and gas; There is Four types of reservoir, such as reef limestone, channel sandstone, littoral sandstone and (fan) delta sandstone, and forming reservoir-caprock assemblage; Major forming channel lithologic (structural-lithologic) traps of shallow burial depth, structural traps and structural-stratigraphic traps of mid-deep burial depth; With perfect hydrocarbon accumulation condition. Based on these conclusions, the Songnan low-uplift is divided into west Songnan low-uplift (faulted) anticline structural zone and east Songnan low-uplift faulted anticline, faulted structural zone. The west Songnan low-uplift (faulted) anticline structural zone is selected as the preferential plays for exploration; Yongle X-1 is selected as the preferential prospect.
出处 《中国矿业》 北大核心 2012年第8期56-59,共4页 China Mining Magazine
关键词 琼东南盆地 松南低凸起 成藏条件 勘探潜力 Qiongdongnan basin Songnan low-uplift hydrocarbon accumulation condition exploration potential
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