盐岩地下储气库风险分级机制初探

›› 2009, Vol. 30 ›› Issue (12): 3621-3626.

盐岩地下储气库风险分级机制初探

贾超¹，张强勇¹，张宁¹，刘健¹，李术才¹，杨春和²

1.山东大学土建与水利学院，济南 250061；2.中国科学院武汉岩土力学研究所，武汉 430071

收稿日期:2009-07-15 出版日期:2009-12-10 发布日期:2010-01-18
作者简介:贾超，男，1976年生，博士（后），副教授，主要从事工程可靠度风险分析方面的研究工作。
基金资助:
国家重点基础研究发展规划(973)（No. 2009CB724607）；国家自然科学基金项目资助（No. 40772173）；教育部新世纪优秀人才支持计划（No. NCET-08-0336）；山东省自然科学基金项目资助（No. Y2007F52）。

Preliminary research of risk classification for underground salt rock gas storage

JIA Chao¹, ZHANG Qiang-yong¹, ZHANG Ning1, LIU Jian¹, LI Shu-cai¹, YANG Chun-he²

1. School of Civil and Hydraulic Engineering, Shandong University, Jinan 250061, China; 2. Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China

Received:2009-07-15 Online:2009-12-10 Published:2010-01-18

摘要/Abstract

摘要：

能源储备是国家重大战略需求，目前国内已经开始大规模兴建盐岩能源地下储库群，由于国内的盐岩储库地层具有埋深浅、盐层薄、夹层多、品位低等特点，导致建库难度大、运行风险高，因此，开展盐岩地下油气储库风险分析研究具有重要的理论意义和工程应用价值。针对国内盐岩地下油气储库现状，在风险分析中引入功能设计理念，以体积收缩率作为储库运营期风险的单项分级指标，初步提出了地下油气储库运营风险分级机制的基本方法，以国内某盐岩地下储气库为例，通过流变计算获得不同储气内压变化条件下，储库风险随时间的变化规律，较好地验证了所提方法的合理性和有效性。

关键词: 盐岩地下油气储库, 风险分级机制, 功能设计, 体积收缩率, 储气内压

Abstract:

Energy storage is greatly demand by the national strategy, so large-scale underground salt-rock gas storage constructions had been begun to build. There are many characteristics of domestic salt rock gas storage on geology, such as bedded salt rock is thin, has much interlayer, and the geology is more complex. It is difficult to build and manage it. So it is more significant to carry out researches on assessing the risk of salt rock gas strorage for the theoretical research and engineering technique. Performance-based design (PBD) method has been imported into risk analysis to classify the salt rock storage risk level in current situations. Volumetric shrinkage of the salt rock storage is regarded as individual factors on classifying the risk level. Numerical simulation is carried out to evaluate the creep of a salt rock gas storage in China on different gas pressures. Risk level under different gas pressures for different times on the storage is obtained. The results also verify that the method proposed is reasonable and valid for salt rock gas storage risk analysis.

Key words: salt rock gas storage, risk classification, performance-based design, volumetric shrinkage, gas pressure

中图分类号:

TE 122.2

贾超，张强勇，张宁，刘健，李术才，杨春和. 盐岩地下储气库风险分级机制初探[J]. , 2009, 30(12): 3621-3626.

JIA Chao, ZHANG Qiang-yong, ZHANG Ning, LIU Jian, LI Shu-cai, YANG Chu. Preliminary research of risk classification for underground salt rock gas storage[J]. , 2009, 30(12): 3621-3626.

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