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Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China

HU Shuya XIAO Changlai LIANG Xiujuan ZHAO Quansheng WANG Guangcai ZHANG Jianwei FENG Juan

HU Shuya, XIAO Changlai, LIANG Xiujuan, ZHAO Quansheng, WANG Guangcai, ZHANG Jianwei, FENG Juan. Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China[J]. 中国地理科学, 2018, 28(4): 707-716. doi: 10.1007/s11769-018-0979-x
引用本文: HU Shuya, XIAO Changlai, LIANG Xiujuan, ZHAO Quansheng, WANG Guangcai, ZHANG Jianwei, FENG Juan. Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China[J]. 中国地理科学, 2018, 28(4): 707-716. doi: 10.1007/s11769-018-0979-x
HU Shuya, XIAO Changlai, LIANG Xiujuan, ZHAO Quansheng, WANG Guangcai, ZHANG Jianwei, FENG Juan. Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China[J]. Chinese Geographical Science, 2018, 28(4): 707-716. doi: 10.1007/s11769-018-0979-x
Citation: HU Shuya, XIAO Changlai, LIANG Xiujuan, ZHAO Quansheng, WANG Guangcai, ZHANG Jianwei, FENG Juan. Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China[J]. Chinese Geographical Science, 2018, 28(4): 707-716. doi: 10.1007/s11769-018-0979-x

Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China

doi: 10.1007/s11769-018-0979-x
基金项目: Under the auspices of The National Natural Science Fundation of China (No. 41572216, 41672243), The Water Resources Project of Jilin Province (No. 0773-1441GNJL00390), The Natural Science Fundation of Jilin Province (No. 20140101164JC), Science and Technology Support Program of Qinghai Province (No. 2012-G-154A)
详细信息
    通讯作者:

    WANG Guangcai.E-mail:wanggc@cugb.edu.cn

Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China

Funds: Under the auspices of The National Natural Science Fundation of China (No. 41572216, 41672243), The Water Resources Project of Jilin Province (No. 0773-1441GNJL00390), The Natural Science Fundation of Jilin Province (No. 20140101164JC), Science and Technology Support Program of Qinghai Province (No. 2012-G-154A)
More Information
    Corresponding author: WANG Guangcai.E-mail:wanggc@cugb.edu.cn
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出版历程
  • 收稿日期:  2017-08-16
  • 修回日期:  2017-12-05
  • 刊出日期:  2018-08-27

Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China

doi: 10.1007/s11769-018-0979-x
    基金项目:  Under the auspices of The National Natural Science Fundation of China (No. 41572216, 41672243), The Water Resources Project of Jilin Province (No. 0773-1441GNJL00390), The Natural Science Fundation of Jilin Province (No. 20140101164JC), Science and Technology Support Program of Qinghai Province (No. 2012-G-154A)
    通讯作者: WANG Guangcai.E-mail:wanggc@cugb.edu.cn

摘要: Underground brine is an unusual water resource that contains abundant mineral resources. It is distributed widely in the Qaidam Basin, western China, a hyperarid inland basin located in the northern Tibetan Plateau. Pores in the brine storage medium act as storage space and transmission channels of underground brine. Therefore, the porosity of brine storage medium determines its ability to store brine. In this study, Mahai Salt Lake was used as the research area as a modern saline lake located in the north area of the Qaidam Basin. A total of 100 porosity samples were collected from eight sampling points in two profiles of the research area at sampling depths of 1.30-314.78 m. The porosity distribution characteristics and influencing factors in brine storage medium were analysed according to the measured porosity data. Based on analysis of the pore structure characteristics, the brine storage medium contains intercrystalline pores, unlike conventional freshwater storage mediums. Moreover, the primary salt rock is susceptible to dissolution by lighter brine, facilitating the formation of secondary porosity. Due to the formation of secondary pores, a porosity greater than 20% remains even at buried depths greater than 100 m. Based on the geological statistical analysis, due to the geographic location, salt formation time, and depositional environment, the porosity values of Mahai Salt Lake do not exhibit a wider distribution, but also show more extreme values than a nearby salt lake. Based on the porosity characteristics by depth, due to the presence of secondary pores, flooding, stratigraphic static pressure, and other factors, porosity shows fluctuations with increasing depth.

English Abstract

HU Shuya, XIAO Changlai, LIANG Xiujuan, ZHAO Quansheng, WANG Guangcai, ZHANG Jianwei, FENG Juan. Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China[J]. 中国地理科学, 2018, 28(4): 707-716. doi: 10.1007/s11769-018-0979-x
引用本文: HU Shuya, XIAO Changlai, LIANG Xiujuan, ZHAO Quansheng, WANG Guangcai, ZHANG Jianwei, FENG Juan. Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China[J]. 中国地理科学, 2018, 28(4): 707-716. doi: 10.1007/s11769-018-0979-x
HU Shuya, XIAO Changlai, LIANG Xiujuan, ZHAO Quansheng, WANG Guangcai, ZHANG Jianwei, FENG Juan. Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China[J]. Chinese Geographical Science, 2018, 28(4): 707-716. doi: 10.1007/s11769-018-0979-x
Citation: HU Shuya, XIAO Changlai, LIANG Xiujuan, ZHAO Quansheng, WANG Guangcai, ZHANG Jianwei, FENG Juan. Porosity Distribution Characteristics and Geological Analysis of Brine Storage Medium in the Qaidam Basin, Western China[J]. Chinese Geographical Science, 2018, 28(4): 707-716. doi: 10.1007/s11769-018-0979-x
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