地下曲流河点坝砂体沉积演化过程分析——以吉林油田杨大城子油层第23小层为例

doi:10.7623/syxb201507005

石油学报 ›› 2015, Vol. 36 ›› Issue (7): 809-819.DOI: 10.7623/syxb201507005

地下曲流河点坝砂体沉积演化过程分析——以吉林油田杨大城子油层第23小层为例

单敬福¹, 张吉^2,3, 赵忠军^2,3, 李浮萍^2,3, 孙立勋⁴, 张彬¹, 方世祥¹

1. 长江大学油气资源与勘探技术教育部重点实验室湖北武汉 430100;
2. 中国石油长庆油田公司苏里格气田研究中心陕西西安 710018;
3. 低渗透油气田勘探开发国家工程实验室陕西西安 710018;
4. 中国石油辽河油田公司兴隆台采油厂地质研究所辽宁盘锦 124010

收稿日期:2014-12-31 修回日期:2015-04-17 出版日期:2015-07-25 发布日期:2015-08-06
作者简介:单敬福,男,1977年9月生,2002年获大庆石油学院学士学位,2008年获同济大学博士学位,现为长江大学地球科学学院副教授,主要从事沉积学与开发地质学教学与研究工作。Email:shanjingfu2003@163.com
基金资助:
国家自然科学基金项目(No.41372125)、湖北省自然科学基金项目(2011CDB002)、湖北省教育厅基金项目(Q20121210)和中国地质大学(武汉)重点实验室开放基金项目(TPR-2012-23)资助。

Analysis of sedimentary and evolution process for underground meandering river point bar:a case study from No.23 thin layer of Yangdachengzi oil reservoir in Jilin oilfield

Shan Jingfu¹, Zhang Ji^2,3, Zhao Zhongjun^2,3, Li Fuping^2,3, Sun Lixun⁴, Zhang Bin¹, Fang Shixiang¹

1. Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Hubei Wuhan 430100;
2. Research Center of Sulige Gas Field, PetroChina Changqing Oilfield Company, Shaanxi Xi'an 710018, China;
3. National Engineering Laboratory for Exploration and Development of Low-Permeability Oil & Gas Fields, Shaanxi Xi'an 710018, China;
4. Geological Institute of Xinglongtai Oil Production Plant, PetroChina Liaohe Oilfield Company, Liaoning Panjin 124010, China

Received:2014-12-31 Revised:2015-04-17 Online:2015-07-25 Published:2015-08-06

摘要/Abstract

摘要：

目前对于曲流河点坝构型的研究成果主要集中在"结果"的分析和描述,而对于点坝内部侧积体"成因"的研究成果则相对较少。鉴于此,通过充分利用岩心、测井、密井网等资料,在废弃河道和点坝砂体的识别以及多种构型参数估算的基础上,结合前人研究成果,采用"相邻相似"原则对单一河道相邻点坝侧积体进行组合,然后按先后发育顺序揭示曲流河道横向迁移、摆动与演化规律,再现曲流河道沉积演化过程。这种方法重建了曲流河道水动力学演化过程,解析了曲流河点坝砂体的层次建筑结构。该研究成果不仅使曲流河点坝内部砂体建筑结构解剖结果更合理、更可信,而且还丰富了地下河流相储层构型理论。

关键词: 曲流河, 演化过程恢复, 侧积体, 沉积建造, 构型

Abstract:

The current research findings of meandering river point-bar configuration mainly focues on the anlysis and description of "results", but less on the "genesis" of point-bar lateral accretion bodies. Accordingly, based on full use of coring, logging, dense well pattern and other data, the identification of abandoned channels and point-bar sand bodies as well as the estimation on multiple configuration parameters and in combination with previous research results, the point-bar lateral accretion bodies adjacent to single channel were taken as an assemblage in line with the Proximity-Similarity Principle. Then, the lateral migration, swing and evolution laws of meandering river channels were revealed in sequence of successive development, so as to recover the sedimentary evolution process of meandering river channels. This method was applied to rebuild the hydrodynamic evolution process of meandering river channles and analyze the hierarchical structures of meandering river point-bar sand bodies. This result not only makes the analytic results of meandering river point-bar structures more reasonable and credible, but also further enriches the configuration theory of underground fluvial reservoir.

Key words: meandering river, recovery of evolution process, lateral accretion bodies, sedimentary formation, configuration

中图分类号:

TE121.3

单敬福, 张吉, 赵忠军, 李浮萍, 孙立勋, 张彬, 方世祥. 地下曲流河点坝砂体沉积演化过程分析——以吉林油田杨大城子油层第23小层为例[J]. 石油学报, 2015, 36(7): 809-819.

Shan Jingfu, Zhang Ji, Zhao Zhongjun, Li Fuping, Sun Lixun, Zhang Bin, Fang Shixiang. Analysis of sedimentary and evolution process for underground meandering river point bar:a case study from No.23 thin layer of Yangdachengzi oil reservoir in Jilin oilfield[J]. Acta Petrolei Sinica, 2015, 36(7): 809-819.

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地下曲流河点坝砂体沉积演化过程分析——以吉林油田杨大城子油层第23小层为例

Analysis of sedimentary and evolution process for underground meandering river point bar:a case study from No.23 thin layer of Yangdachengzi oil reservoir in Jilin oilfield

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