湖盆洼槽区沉积充填模式与演化规律——以饶阳凹陷马西洼陷沙河街组为例

张以明; 李胜利; 李民; 于兴河; 张万福; 田倩倩; 方欣欣

湖盆洼槽区沉积充填模式与演化规律——以饶阳凹陷马西洼陷沙河街组为例

1.
中石油华北油田分公司, 河北任丘 062550
2.
中国地质大学(北京)能源学院, 北京 100083
3.
长城钻探有限公司压裂公司压裂酸化技术研究所, 辽宁盘锦124107
4.
东方地球物理公司研究院地质研究中心, 河北涿洲 072751

基金项目:

国家自然科学基金项目 41272132

国家"十二五"油气重大专项 2011ZX05023001-009

详细信息

作者简介:
张以明(1958-), 男, 博士, 教授级高级工程师, 主要从事油气勘探研究与管理工作

通讯作者:
李胜利(1971-), 男, 博士, 副教授, 主要从事储层地质学研究

中图分类号: TE121.3
计量
- 文章访问数: 173
- HTML全文浏览量: 113
- PDF下载量: 5
- 被引次数: 0
出版历程
- 收稿日期: 2012-05-26
- 刊出日期: 2012-12-01

DEPOSITIONAL FILLING MODEL AND EVOLUTION OF THE SAG IN LACUSTRINE BASIN:A CASE STUDY FROM SHAHEJIE FORMATION IN MAXI SAG, RAOYANG DEPRESSION

1.
PetroChina Huabei Oilfield Company, Renqiu 062550, China
2.
School of Energy Resources, China University of Geosciences, Beijing 100083, China
3.
Fracturing & Acidizing Technology Research Institute, GWDC Fracturing Company, Panjin 124107, China
4.
Geological Research Center, Bureau of Geophysical Prospecting, Zhuozhou 072751, China

摘要

摘要: 洼槽区是断陷湖盆的重要组成部分，是烃源岩的主要富集区域，但由于其独特的沉积充填特征、埋深及储集层发育程度方面的影响，洼槽区的油气勘探程度通常较低。以冀中坳陷饶阳凹陷中的马西洼槽为研究对象，针对主力油气勘探层段沙河街组开展沉积充填模式与演化规律研究，明确了洼槽区陡坡、缓坡沉积类型与沉积模式的差异，再现了沙河街组沙三段、沙二段及沙一段沉积展布特征，建立了洼槽不同构造演化期的沉积充填模式。研究表明，断陷湖盆洼槽区具有储集层发育的沉积条件，因此是岩性地层油气藏发育的有利区带，应该成为今后油气勘探走向深层的一个重要领域。
- 断陷湖盆洼槽区 /
- 马西洼槽 /
- 沉积充填模式 /
- 沉积演化
Abstract: Sag is an important part of the rift lacustrine basin and is the main occurrence area of hydrocarbon source rocks. But in terms of its unique characteristics of sedimentary filling, the buried depth and the reservoir development, the exploratory degree of petroleum in a sag is usually low. Maxi sag is located at Raoyang depression, Jizhong sub-basin and this paper is to discuss the sedimentary filling model and evolution law of Shahejie Formation which is one of the main petroleum exploration intervals. The differences of sedimentary facies type and the depositional model between the steep slope and gentle slope of the sag area were delineated. Furthermore, the depositional characteristics of the Shahejie Formation, the depositional filling models of different tectonic evolution periods of the sag area were analyzed. The sag area of rift basin had the depositional conditions of the reservoir existence, and it's the favorable area for the stratigraphic reservoirs. Therefore, the sag area could be an important area for future petroleum exploration of deep strata in the rift basin.
- sag in rift lacustrine basin /
- Maxi sag /
- depositional filling model /
- sedimentary evolution

HTML全文

图 1 马西洼槽构造位置图

Figure 1. Structural position map of Maxi sag

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图 2 陡坡带沉积模式

Figure 2. Depositional models of the steep slope area

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图 3 缓坡带沉积模式

Figure 3. Depositional models of the gentle slope area

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图 4 马西洼槽构造—沉积综合柱状图

Figure 4. A comprehensive column map showing the structural and sedimentary features of Maxi sag

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图 5 马西洼槽各演化时期沉积充填模式

Figure 5. Depositional filling models of Maxi sag in different evolution periods

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图 6 沙河街组不同时期沉积相展布图

Figure 6. Distributions of the sedimentary facies of Shahejie Formation

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