High-Resolution Sequence Research on Nearshore Subaqueous Fan System
-
摘要: 以东营凹陷胜北断层下降盘坨85块沙河街组沙三中亚段近岸水下扇沉积体为例,对近岸水下扇沉积体系下的高精度层序地层学进行了研究。经过分析认为,近岸水下扇沉积体系中的高精度层序地层单元划分为准层序组、准层序、层组、层四级,并对准层序和层组的类型和对比方法进行了总结。将近岸水下扇积体系中的层组类型划分为Fu(Fineup)、Cu(Coareseup)和Hu(Homogenicup)三大类,准层序类型划分为Cu—Fu、Cu—Cu、Cu—Hu三大类,同时总结出了沿物源方向的相序递变和垂直物源方向的侵蚀切割对比2种准层序对比模式和侵蚀叠置、相变对比、薄砂层对比、相似渐变等4种层组对比模式。Abstract: This paper discusses the high-resolution sequence in nearshore subaqueous fans sedimentary system, exemp lifying T85 nearshore subaqueous fans of the third middle member of Shhejie Formation in Shengbei fault's downthrown side ofDongying depression. The research shows that the high-resolution sequence stratigraphic units are divided into parasequence set, parasequence, bed set and bed in the fan-delta. Types and comparison methods of parase-quence and bed set are especially studied. The type of bed set is divided into Fu, Cu and Hu, and parasequence into Cu-Fu, Cu-Fu and Cu-Hu. Two comparison methods of parasequence are provided that are facies change paralleling to source area and incision perpendicular to source area and fourmodels of bed set which are correlation of overstacking,correlation of facies change, correlation of thin sandstone bed and correlation of similar changing of lithology
-
[1] 1 孙永传. 水下冲积扇-一个找油的新领域[J].石油实验地质,1980,(03):32-41.
2 董荣鑫,苏美珍. 近岸水下冲积扇相特征及实例[J].石油实验地质,1985,(04):294-302.
3 吴崇筠. 湖盆砂体类型[J].沉积学报,1986,(04):1-24.
4 曾洪流,张万选,张厚福. 廓固凹陷沙三段主要沉积体的地震相和沉积相特征[J].石油学报,1988,(02):12-18.
5 端木合顺,朱莲芳. 酒西盆地下白垩统下沟组重力流水下扇沉积[J].沉积学报,1990,(02):75-85.
6 徐怀大. 地震地层学解释基础[M].武汉:中国地质大学出版社,1990.
7 张金亮,沈凤. 乌尔逊凹陷大磨拐河组近岸水下扇储层特征[J].石油学报,1991,(12):25-35.
8 周书欣. 湖泊沉积体系与油气[M].北京:科学出版社,1991.
9 张萌,田景春. 近岸水下扇的命名、特征及其储集性[J].岩相古地理,1999,(04):42-52.
10 孙龙德. 东营凹陷北部斜坡带沙三-四段砂砾岩体与油气聚集[J].沉积学报,2003,(02):278-282.
11 Galloway W E. Siliciclastic slope and base of slope depositional systems:component facies, stratigraphic architecture and classification[J].AAPG Bulletin,1998,(04):569-595.
12 Harold G,Marcus R. Turbidite systems in deep-water basin margins classified by grain size and feeder system[J].AAPG Bulletin,1994,(05):792-822.
13 袁向春,钟建华,高喜龙. 埕岛东斜坡水下扇沉积特征[J].石油与天然气地质,2003,(03):146-151.
14 赵永军,王平在,张卫海. 水下扇沉积过程数学模拟方法[J].大庆石油地质与开发,2001,(03):25-27.
15 刘家铎,田景春,何建军. 近岸水下扇沉积微相及储层的控制因素研究-以沾化凹陷罗家鼻状构造沙四段为例[J].四川理工学院学报(自然科学版),1999,(04):365-369.
16 刘招君. 湖泊水下扇沉积特征及影响因素-以伊通盆地莫里青断陷双阳组为例[J].沉积学报,2003,(03):148-154.
17 董东. 断陷湖盆陡坡带碎屑流沉积单元的沉积序列和储层特征-以东营凹陷永安镇地区为例[J].沉积学报,1999,(04):566-571.
18 Mutti. E,Normark W R. Comparing examples of modern and ancient turbidite systems: problems and concepts[A].1987.1-38.
19 罗立民. 河湖沉积体系三维高精度层序地层学研究[M].北京:地质出版社,1997.17-63. -
点击查看大图
计量
- 文章访问数: 503
- HTML全文浏览量: 11
- PDF下载量: 577
- 被引次数: 0
下载:
