[1]王冠民,高亮,林旭梅,等.东营凹陷南斜坡沙四段高频沉积
旋回对滩坝砂体的沉积控制作用[J].地球科学与环境学报,2008,30(01):44-48.
WANG Guan-min,GAO Liang,LIN Xu-mei,et al.High Frequency Cycles and its Control Action to Lacustrine
Shoal-Bar in the 4th Member of Shahejie Formation in
Southern Slope of Dongying Depression[J].Journal of Earth Sciences and Environment,2008,30(01):44-48.
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东营凹陷南斜坡沙四段高频沉积
旋回对滩坝砂体的沉积控制作用(PDF)
WANG Guan-min,GAO Liang,LIN Xu-mei,et al.High Frequency Cycles and its Control Action to Lacustrine Shoal-Bar in the 4th Member of Shahejie Formation in Southern Slope of Dongying Depression[J].Journal of Earth Sciences and Environment,2008,30(01):44-48.
《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]
- 卷:
- 第30卷
- 期数:
- 2008年第01期
- 页码:
- 44-48
- 栏目:
- 基础地质与矿产地质
- 出版日期:
- 2008-03-20
文章信息/Info
- Title:
- High Frequency Cycles and its Control Action to Lacustrine Shoal-Bar in the 4th Member of Shahejie Formation in Southern Slope of Dongying Depression
- Author(s):
- WANG Guan-min1; GAO Liang1; LIN Xu-mei2; WANG Zhi-kun1
- 1.School o f Earth Resources and In formation, China University o f Petroleum, Dongying 257062, Shandong, China; 2. School o f Automation Engineering, Qingdao Technological University, Qingdao 266520, Shandong, China
- Keywords:
- lacustrine shoal-bar sand; high frequency cycle; sediment model; horizontal forecast; Dongying Depression
- 分类号:
- P618.130.2;TE122.2
- DOI:
- -
- 文献标志码:
- A
- 摘要:
- 在东营凹陷南斜坡的沙四段地层中,常发育典型的湖相滩坝砂体沉积。详细观察表明,这些滩坝砂体在 垂向上常发育较为对称的高频基准面上升半旋回和下降半旋回,且对滩坝砂体的沉积过程有明显的控制作用。 通过测井曲线的频谱分析,高频基准面的变化与米兰柯维奇轨道气候周期有着密切的关系,而单砂体规模的滩 坝砂体在平面展布上又有着明显的对称性。这些都表明滩坝砂体主要沉积在湖平面升降转换的相对稳定期,同 生断层活动产生的陡坎或隆起会有助于滩坝砂体的富集。可根据滩坝砂体的垂向沉积序列和组合方式来判断 滩坝主体的分布位置。
- Abstract:
- Typical lacustrine shoal-bar sand body develops in the 4th member of Shahejie Formation in Wang 73 well field of Dongying Depression. Relatively symmetrical half cycles of base level of deposition often develop in vertical sequence of strata containing lacustrine shoal-bar sand body, and the change of high frequency base level of deposition controls the sedimentary process of shoal-bar sand obviously. By spectrum analysis to bore log, it is found that the change of high frequency base level of deposition is related to Milankovitch cycles closely, and the plane distribution of single shoal-bar sandstone layers is symmetrical. These characters show that lacustrine shoal-bar sand body deposit at a relative period of the transform process of base level of deposition when steep gradient or uplift due to the action of contemporaneous fault can conduce to deposition and accumulation of shoal-bar sand. The distribution of main shoal-bar sand body can be forecasted by vertical sedimentary sequence and association.
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备注/Memo
- 备注/Memo:
-
收稿日期:2007-08-20
基金项目:山东省自然科学基金项目(Y2007E11);中国石油大学(华东)博士基金项目
作者简介:王冠民(1969-),男,吉林桦甸人,副教授,博士,从事沉积与储层学教学与研究。E-mail:wgm-lxm@163.com
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