潜江地区层状盐岩天然气储库密闭性评价研究

›› 2011, Vol. 32 ›› Issue (5): 1473-1478.

潜江地区层状盐岩天然气储库密闭性评价研究

黄小兰^{1, 2}，杨春和^2，陈锋^2，李银平²，李应芳³

1.重庆大学资源与环境学院，重庆 400044；2.中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室，武汉 430071； 3.中国石化江汉油田分公司，湖北潜江 433121

收稿日期:2010-01-08 出版日期:2011-05-10 发布日期:2011-09-23
作者简介:黄小兰，女，1980年生，博士，主要从事岩土工程方面的研究工作
基金资助:
国家重点基础研究发展规划项目(973)（No. 2009CB724600）；国家自然科学基金（No. E50804045，No. E50774076，No. E50725414）；博士后科学基金（No. 20090450786）；岩土力学与工程国家重点实验室开放基金（No. Z010902）

Tightness evaluation test on underground energy storage in bedded salt rock formation of Qianjiang area

HUANG Xiao-lan^{1, 2}, YANG Chun-he^{1, 2}, CHEN Feng², LI Yin-ping², LI Ying-fang³

1. College of Resources and Environmental Sciences, Chongqing University, Chongqing 400044, China; 2. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 3. Jianghan Oilfield Company of Sinopec, Qianjiang, Hubei 433121, China

Received:2010-01-08 Online:2011-05-10 Published:2011-09-23

摘要/Abstract

摘要： 储库的密闭性在地下能源（石油、天然气）储库可行性研究阶段及生产运行阶段都是关键问题之一。结合国内在层状盐岩地质构造中建设能源储库的实际情况，以江汉油田潜江地区盐穴储气库建设项目为工程背景，从现场气密性测试、岩石毛管压力试验、盐岩及夹层扫描电镜试验等多方面对该地区储库的密闭性进行了综合性论证。研究结果表明，江汉油田潜江地区层状盐岩构造满足盐岩溶腔型地下能源储库的密闭性要求。同时，针对该地区的密闭性综合评价对于在层状盐岩构造中修建能源储库时的密闭性论证方法提供了重要参考，并对于建立层状盐岩储库密闭性评价体系具有重要指导意义

关键词: 层状盐岩, 能源储库, 密闭性, 试验研究

Abstract: The tightness analysis of salt cavern as energy storages is very important to underground energy storage construction project. In the salt mine of China, the salt layers are usually intersected by many indissoluble or slightly soluble interlayers. Considering these sedimentary characteristics, a series of experiments concerning the tightness of the salt storages are carried out in Qianjiang mine of Jianghan Oilfield. In-situ tightness tests taking nitrogen as media were carried out at different key points of the testing wells; the capillary pressure tests of the overlay and interlayers were done to analyse the tightness of the carvens. Also the distribution of pore structure characteristics of the interface and interlayer were observed by the scanning electron microscopy (SEM); it is found that the salt rock has characteristics of big size of crystal particles, compact surface and good sealability; and small particles of mudstone can fill the gap very well at the interface; and the two types of rock are cemented completely. The results illustrate that entire tightness of salt rock in Qianjiang mine is very suitable for the construction of underground energy storage. The indoor and in-situ experiments have great reference value and practical significance for the research of underground energy storage construction project.

Key words: bedded salt rocks, energy storage, tightness, experimental study

中图分类号:

TE 357.6

黄小兰，杨春和，陈锋，李银平，李应芳. 潜江地区层状盐岩天然气储库密闭性评价研究[J]. , 2011, 32(5): 1473-1478.

HUANG Xiao-lan , YANG Chun-he , CHEN Feng , LI Yin-ping , LI Ying-fang. Tightness evaluation test on underground energy storage in bedded salt rock formation of Qianjiang area[J]. , 2011, 32(5): 1473-1478.

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