苏里格气田西区盒8下亚段辫状河沉积论证与分析

doi:10.13278/j.cnki.jjuese.201506104

吉林大学学报(地球科学版) ›› 2015, Vol. 45 ›› Issue (6): 1597-1607.doi: 10.13278/j.cnki.jjuese.201506104

苏里格气田西区盒₈^下亚段辫状河沉积论证与分析

单敬福¹, 张吉^2,3, 王继平^2,3, 赵忠军^2,3, 李浮萍^2,3, 陈治华^2,3, 石林辉^2,3, 刘利峰^2,3

1. 长江大学油气资源与勘探技术教育部重点实验室, 武汉 430100;
2. 中国石油长庆油田分公司苏里格气田研究中心, 西安 710018;
3. 低渗透油气田勘探开发国家工程实验室, 西安 710018

收稿日期:2014-12-02 发布日期:2015-11-26
作者简介:单敬福(1977),男,副教授,博士,主要从事沉积、储层与开发地质学研究工作,E-mail:shanjingfu2003@163.com。
基金资助:
国家自然科学基金项目(41372125);湖北省教育厅基金项目(Q20121210);中国地质大学(武汉)构造与油气资源教育部重点实验室开放基金(TPR-2012-23)

Demenstration and Analysis of Braided River Deposition in the Lower He₈ Member in Western Sulige Gas Field

Shan Jingfu¹, Zhang Ji^2,3, Wang Jiping^2,3, Zhao Zhongjun^2,3, Li Fuping^2,3, Chen Zhihua^2,3, Shi Linhui^2,3, Liu Lifeng^2,3

1. Key Laboratory of Exploration Technologies for Oil and Gas Resources, MOE, Yangtze University, Wuhan 430100, China;
2. Research Center of Sulige Gas Field, Changqing Oilfield Company, PetroChina, Xi'an 710018, China;
3. National Engineering Laboratory for Exploration and Development of Low-Permeability Oil & Gas Fields, Xi'an 710018, China

Received:2014-12-02 Published:2015-11-26

摘要/Abstract

摘要：

鄂尔多斯盆地苏里格气田西区盒₈^下亚段主力含气层段相的研究观点较多,不同认识导致各个沉积相域内砂体对比和预测存在着较大的差异,从而给勘探井位部署增加了难度。笔者在前人研究成果基础上,充分利用钻井、测井、岩心、地震、分析化验和野外露头等多种资料和手段,采用岩石学特征分析、岩心沉积构特征观察、古生物化石证据、研究区柳林成家庄野外露头沉积序列揭示、测井相特征和河流相地震特殊反射结构观察等多种研究手段和方法,对该区盒₈^下亚段的沉积相进行了详细论证、分析和描述。研究结果表明,辫状河沉积是苏里格西区盒₈^下亚段主要的相类型;干旱与潮湿气候的频繁交替变化,是导致砂体研究区目的层垂向砂体厚度大、非均质性强和砂体横向变化快的主控因素。

关键词: 苏里格气田西区, 辫状河, 盒₈^下亚段, 沉积模式

Abstract:

The opinions to the sedimentary facies in the western Sulige gas field were so different that they lead to the big difficulty to forecast the sandbody distribution in exploration and development. We studied the sedimentary facies through adopting the techniques and methods of stone characteristics analysis, sedimentary structure description, and fossil observation; revealed sedimentary sequences of outcrop from Chengjiazhuang based on the facies logging and seismic reflection related to fluvial facies researched by predecessors in the Lower He₈ Member. The research results show that the braided river deposition is the main facies type of the Lower He₈ Member in Western Sulige Gas Field. In our opinion, the frequent climate change from dry to humid is the controlling factor,which resulted in the large thickness of sandbody, strong heterogeneity, and lateral variation of reservoir.

Key words: western Sulige gas field, braided river, Lower He 8 Member, sedimentary model

中图分类号:

P618.13

单敬福, 张吉, 王继平, 赵忠军, 李浮萍, 陈治华, 石林辉, 刘利峰. 苏里格气田西区盒₈^下亚段辫状河沉积论证与分析[J]. 吉林大学学报(地球科学版), 2015, 45(6): 1597-1607.

Shan Jingfu, Zhang Ji, Wang Jiping, Zhao Zhongjun, Li Fuping, Chen Zhihua, Shi Linhui, Liu Lifeng. Demenstration and Analysis of Braided River Deposition in the Lower He₈ Member in Western Sulige Gas Field[J]. Journal of Jilin University(Earth Science Edition), 2015, 45(6): 1597-1607.

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苏里格气田西区盒₈^下亚段辫状河沉积论证与分析

Demenstration and Analysis of Braided River Deposition in the Lower He₈ Member in Western Sulige Gas Field

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