断陷盆地斜坡带油气勘探——以东营凹陷为例

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基金项目: 中国石化"十五"重点科技攻关项目(P02004)

PETROLEUM EXPLORATION OF THE SLOPE BELT IN THE GRABEN BASIN-A CASE STUDY OF THE DONGYING SAG

1.
China University of Geosciences, Beijing 100083, China
2. Research Institute of Geological Sciences, Shengli Oilfield, SINOPEC, Dongying, Shandong 257015, China

摘要: 东营凹陷南部斜坡带是典型的箕状断陷缓坡带,30多年的勘探实践已发现了10个油气田。通过分析其构造背景、沉积体系与油气成藏的关系,指出斜坡带上大型继承性正向构造和高水位体系域与油气藏分布有成生关系,继而总结了该类斜坡带油气藏类型及原油性质由边缘向洼陷中心的变化规律。东营凹陷斜坡带的勘探启示,对断陷盆地斜坡带油气的勘探具有重要指导意义。
- 构造背景 /
- 沉积体系 /
- 油气藏类型 /
- 勘探启示 /
- 斜坡带
Abstract: The slope belt in the south of Dongying Sag is a typical graben-like depression.During the 30 years of exploration,10 oil-and-gas fields have been discovered.By analyzing the relationship among tectonic setting,sedimentary system and reservoir formation,it is deemed that,there exists close relationship between the large-sized successive normal structure,high system tract and the distribution of hydrocarbon reservoir.And then,the reservoir types and the crude properties of this kind of slope zone,from the edge to the center of the subsag,are summarized.The inspiration,from exploration of the slope belt in the Dongying Sag,is very important for such oil-and-gas exploration of the slope belt in the graben basin.
- structural setting /
- sedimentary system /
- reservoir type /
- exploration inspiration /
- slope zone

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