东营凹陷沙四下亚段沉积环境特征及沉积充填模式

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东营凹陷沙四下亚段沉积环境特征及沉积充填模式

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中图分类号: P512.2

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文章访问数: 2588
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Characteristics of Sedimentary Environment and Filling Model of the Lower Submember of the Fourth Member of Shahejie Formation, Dongying Depression

摘要

摘要: 沉积盆地中沉积环境特征控制了砂体沉积成因类型及盆地沉积充填模式。通过对东营凹陷丰深2井、官112井及梁120井沙四下亚段泥质沉积物系统取样，进行全岩X衍射分析和常量及微量地球化学元素分析，在此基础上对东营凹陷沙四下亚段古气候和古盐度指标进行分析。结果表明，古气候指标Rb/Sr比值与石英+长石含量、Cr元素含量及P元素含量呈正比，含量增加反映了气候相对潮湿，与古盐度指标碳酸盐+硫酸盐含量呈反比，其含量增加反映了气候相对干旱。东营凹陷沙四下亚段沉积时期气候干湿交替频繁，气候潮湿时期相对湖平面上升，湖水盐度降低；气候干旱时期相对湖平面下降，湖水盐度升高，使得此时期湖泊呈现为高频振荡性盐湖特征。气候潮湿时期以沉积碎屑沉积物为主，包括冲积扇、浅水型三角洲、滨湖滩坝及近岸水下扇沉积，由于湖水盐度较低，洼陷带主要沉积泥岩、灰质泥岩、含膏泥岩和少量泥质膏岩；气候干旱时期相对湖平面下降，湖泊水体盐度升高，洼陷带以沉积膏盐岩为特征，垂向上具有含膏泥岩、泥质膏岩、膏岩和盐岩的演化序列，平面上表现为由湖泊边缘向湖泊中心发育灰质泥岩、含膏泥岩、泥质膏岩、膏岩和盐岩的环带状结构特征。
- 沉积环境 /
- 沉积模式 /
- 膏盐层 /
- 红层 /
- 东营凹陷
Abstract: The genetic type of sandbodies and sedimentary filling models were controlled by characteristics of sedimentary environment in sedimentary basin. According to the systematic sampling of argillaceous sediments of Es4x of Well Fengshen 2, Guan 112 and Liang 120 in Dongying Depression, whole rock Xray diffraction and macroelements and microelements were analyzed, based on which the paleoclimate indexs and paleosalinity indexs of Es4x of Dongying Depression were studied. It turned out that the paleoclimate index Rb/Sr was direct proportion to content of quartz and feldspar, element Cr and element P and inversely proportional to paleosalinity index content of carbonate and sulphate. The increasing ratio of Rb/Sr reflected relatively damp climate, while the increasing content of carbonate and sulphate reflected relatively arid climate. The characteristics of the climate of the period of Es4x of Dongying Depression were frequent damp climate alternate with arid climate. At the period of damp climate, the relative lake level rise and the salinity of lake water decline, while the relative lake level decline and the salinity of lake water rise at the period of arid climate. The characteristics of climate made the lake of Es4x of Dongying Depression have the character of high frequency oscillatory salt lake. Clastic sediments were the main deposits at the period of damp climate, including alluvial fan sediments, shallow water delta sediments, lakeshore beachbar sediments and nearshore subaqueous fan sediments, and the sag belt mainly deposited mudstone, lime mudstone, gypseous mudstone and a small quantity of argillaceous gypsum rock. At the period of arid climate, the deposition was mainly developed in sag belt and was characterised by gypsum and salt sediments, which have the evolutive sequence of gypseous mudstone, argillaceous gypsum rock, gypsum rock and salt rock upward and the zonal structure with lime mudstone, gypseous mudstone, argillaceous gypsum rock, gypsum rock and salt rock from the margin to the center of the lake in the plane.
- sedimentary environment /
- sedimentary model /
- gypsum salt beds /
- red beds /
- Dongying Depression

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[1]	年涛, 杨金川, 姜在兴, 贾光华, 闫晓倩, 孟嘉轶, 吕江锋. 渤海湾盆地东营凹陷始新统红层沉积再认识 . 沉积学报, 2023, 41(1): 150-169. doi: 10.14027/j.issn.1000-0550.2021.086
[2]	李泉泉, 鲍志东, 肖毓祥, 陈建阳, 李忠诚, 王振军, 刘敏昭, 李卓伦, 许西挺, 操凡. 混合沉积研究进展与展望 . 沉积学报, 2021, 39(1): 153-167. doi: 10.14027/j.issn.1000-0550.2020.140
[3]	秦润森, 岳红林, 周凤军, 吴穹螈, 雷源. 河控浅水三角洲前缘席状砂沉积特征及沉积模式探讨——以黄河口凹陷渤中34地区明下段为例 . 沉积学报, 2020, 38(2): 429-439. doi: 10.14027/j.issn.1000-0550.2019.027
[4]	吕镔, 刘秀铭, 郭晖, 郑兴芬, 陈梓炫, 何梅菊, 赵国永. 福建白垩系沙县组地层磁学特征及其环境意义 . 沉积学报, 2019, 37(3): 519-531. doi: 10.14027/j.issn.1000-0550.2018.155
[5]	王淑萍, 王铸坤, 操应长, 王艳忠, 杜亮慧, 李宇志. 中深层砂砾岩储层控制因素与分类评价方法——以东营凹陷永1块沙四下亚段为例 . 沉积学报, 2019, 37(5): 1069-1078. doi: 10.14027/j.issn.1000-0550.2019.047
[6]	周瑞琦, 傅恒, 徐国盛, 苗清, 付振群. 东海陆架盆地西湖凹陷平湖组-花港组沉积层序 . 沉积学报, 2018, 36(1): 132-141. doi: 10.3969/j.issn.1000-0550.2018.015
[7]	宋明水, 向奎, 张宇, 蔡攀, 刘建磊, 杨仁超. 泥质重力流沉积研究进展及其页岩油气地质意义——以东营凹陷古近系沙河街组三段为例 . 沉积学报, 2017, 35(4): 740-751. doi: 10.14027/j.cnki.cjxb.2017.04.008
[8]	孙雨, 向尧, 马世忠, 李伟瑞, 贺子恩, 齐殿军. 辽河盆地西部凹陷曙二区大凌河油层湖底扇沉积特征与沉积模式探讨 . 沉积学报, 2016, 34(4): 725-734. doi: 10.14027/j.cnki.cjxb.2016.04.013
[9]	陈杰, 刘传虎, 谭明友, 魏红梅, 李阳, 廖晨, 杨仁超. 进积型三角洲交汇区沉积模式——以东营凹陷沙三中亚段为例 . 沉积学报, 2016, 34(6): 1187-1197. doi: 10.14027/j.cnki.cjxb.2016.06.016
[10]	杜洋, 辛军, 徐乾承, 陈杰, 李宜真, 汪娟, 童明胜. 基于储层结构的厚壳蛤建隆沉积模式——以伊朗SA油田Sarvak油藏为例 . 沉积学报, 2015, 33(6): 1247-1257. doi: 10.14027/j.cnki.cjxb.2015.06.017
[11]	袁静. 山东惠民凹陷古近系风暴岩沉积特征及沉积模式 . 沉积学报, 2006, 24(1): 43-49.
[12]	张德武, 冯有良, 邱以钢, 闵伟, 郭玉新, 赵乐强, 向立宏. 东营凹陷下第三系层序地层研究与隐蔽油气藏预测 . 沉积学报, 2004, 22(1): 67-72.
[13]	辛仁臣, 蔡希源, 王英民. 松辽坳陷深水湖盆层序界面特征及低位域沉积模式 . 沉积学报, 2004, 22(3): 387-392.
[14]	谢小平, 佟再三, 沈焕庭. 甘肃景泰红水堡晚石炭世沉积环境与沉积相分析 . 沉积学报, 2003, 21(3): 381-390.
[15]	王平在, 王俊玲. 嫩江现代河流沉积层序及沉积模式 . 沉积学报, 2003, 21(2): 228-233.
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[17]	冯有良, 潘元林, 郑和荣. 东营凹陷中始新统上部—上始新统层序地层模式及其石油地质意义 . 沉积学报, 2000, 18(3): 376-383.
[18]	董冬. 断陷湖盆陡坡带碎屑流沉积单元的沉积序列和储集特征——以东营凹陷永安地区为例 . 沉积学报, 1999, 17(4): 566-571.
[19]	陆现彩, 胡文宣, 符琦, 张文兰, 周光甲, 洪志华, 陈致林. 利用碳酸盐矿物成分研究沉积-成岩过程中流体盐度演化──以东营凹陷沙四段低熟油烃源岩为例 . 沉积学报, 1998, 16(1): 120-125.
[20]	王俊玲, 叶连俊, 李伯虎, 陈琪英. 松辽盆地三肇地区榆树林油田葡萄花油层储层沉积模式 . 沉积学报, 1997, 15(1): 37-42.

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文章访问数: 2588
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东营凹陷沙四下亚段沉积环境特征及沉积充填模式

刊出日期: 2012-04-10

中图分类号: P512.2

关键词:

沉积环境 /

沉积模式 /

膏盐层 /

红层 /

东营凹陷

摘要: 沉积盆地中沉积环境特征控制了砂体沉积成因类型及盆地沉积充填模式。通过对东营凹陷丰深2井、官112井及梁120井沙四下亚段泥质沉积物系统取样，进行全岩X衍射分析和常量及微量地球化学元素分析，在此基础上对东营凹陷沙四下亚段古气候和古盐度指标进行分析。结果表明，古气候指标Rb/Sr比值与石英+长石含量、Cr元素含量及P元素含量呈正比，含量增加反映了气候相对潮湿，与古盐度指标碳酸盐+硫酸盐含量呈反比，其含量增加反映了气候相对干旱。东营凹陷沙四下亚段沉积时期气候干湿交替频繁，气候潮湿时期相对湖平面上升，湖水盐度降低；气候干旱时期相对湖平面下降，湖水盐度升高，使得此时期湖泊呈现为高频振荡性盐湖特征。气候潮湿时期以沉积碎屑沉积物为主，包括冲积扇、浅水型三角洲、滨湖滩坝及近岸水下扇沉积，由于湖水盐度较低，洼陷带主要沉积泥岩、灰质泥岩、含膏泥岩和少量泥质膏岩；气候干旱时期相对湖平面下降，湖泊水体盐度升高，洼陷带以沉积膏盐岩为特征，垂向上具有含膏泥岩、泥质膏岩、膏岩和盐岩的演化序列，平面上表现为由湖泊边缘向湖泊中心发育灰质泥岩、含膏泥岩、泥质膏岩、膏岩和盐岩的环带状结构特征。

Characteristics of Sedimentary Environment and Filling Model of the Lower Submember of the Fourth Member of Shahejie Formation, Dongying Depression

Publish Date: 2012-04-10

Keywords:

Abstract: The genetic type of sandbodies and sedimentary filling models were controlled by characteristics of sedimentary environment in sedimentary basin. According to the systematic sampling of argillaceous sediments of Es4x of Well Fengshen 2, Guan 112 and Liang 120 in Dongying Depression, whole rock Xray diffraction and macroelements and microelements were analyzed, based on which the paleoclimate indexs and paleosalinity indexs of Es4x of Dongying Depression were studied. It turned out that the paleoclimate index Rb/Sr was direct proportion to content of quartz and feldspar, element Cr and element P and inversely proportional to paleosalinity index content of carbonate and sulphate. The increasing ratio of Rb/Sr reflected relatively damp climate, while the increasing content of carbonate and sulphate reflected relatively arid climate. The characteristics of the climate of the period of Es4x of Dongying Depression were frequent damp climate alternate with arid climate. At the period of damp climate, the relative lake level rise and the salinity of lake water decline, while the relative lake level decline and the salinity of lake water rise at the period of arid climate. The characteristics of climate made the lake of Es4x of Dongying Depression have the character of high frequency oscillatory salt lake. Clastic sediments were the main deposits at the period of damp climate, including alluvial fan sediments, shallow water delta sediments, lakeshore beachbar sediments and nearshore subaqueous fan sediments, and the sag belt mainly deposited mudstone, lime mudstone, gypseous mudstone and a small quantity of argillaceous gypsum rock. At the period of arid climate, the deposition was mainly developed in sag belt and was characterised by gypsum and salt sediments, which have the evolutive sequence of gypseous mudstone, argillaceous gypsum rock, gypsum rock and salt rock upward and the zonal structure with lime mudstone, gypseous mudstone, argillaceous gypsum rock, gypsum rock and salt rock from the margin to the center of the lake in the plane.

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东营凹陷沙四下亚段沉积环境特征及沉积充填模式

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Characteristics of Sedimentary Environment and Filling Model of the Lower Submember of the Fourth Member of Shahejie Formation, Dongying Depression

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东营凹陷沙四下亚段沉积环境特征及沉积充填模式

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Characteristics of Sedimentary Environment and Filling Model of the Lower Submember of the Fourth Member of Shahejie Formation, Dongying Depression

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东营凹陷沙四下亚段沉积环境特征及沉积充填模式

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出版历程

Characteristics of Sedimentary Environment and Filling Model of the Lower Submember of the Fourth Member of Shahejie Formation, Dongying Depression

计量

出版历程

目录

东营凹陷沙四下亚段沉积环境特征及沉积充填模式

English Abstract

Characteristics of Sedimentary Environment and Filling Model of the Lower Submember of the Fourth Member of Shahejie Formation, Dongying Depression

全文HTML

目录

友情链接

期刊在线

联系我们