IMECH-IR  > 流固耦合系统力学重点实验室
Quantitative investigation on the characteristics of ions transport into water in gas shale: Marine and continental shale as comparative study
Yang L(杨柳); Shi, Xian; Ge, Hongkui; Liu, Dunqing; Qu, Xiangmei; Gao, Jian; Li, Lingdong; Xu, Peng; Tan, Xiqun; Yang, L (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.; Shi, X (reprint author), China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Peoples R China.
Source PublicationJOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
2017-10-01
Volume46Pages:251-264
ISSN1875-5100
AbstractInvestigating ions transport from matrix pores to water is essential for understanding the salinity profiles of shale gas. Previous publications have shown that salt ions can be sourced from the dissolution of precipitated salts and leaching of clay minerals. However, neither a clear standard method nor generally accepted evaluation parameters have been proposed for a quantitative study of the impact and role of these two factors. In this work, a new method based on crushed samples is proposed to avoid the influence of microfractures, and simulate the ions advection and diffusion into water. The characteristic parameters and influencing factors are studied by conducting comparative experiments on sandstone, marine and continental shale samples. The preliminary results showed that it is a credible method to study the impact of precipitated salts and clay minerals. Each transport curve can be divided into three parts: a linear imbibition-diffusion part, non-linear transition part and diffusion part. Three parameters of surface ions density, ions diffusion rate and ions transport capacity can be used for quantitative characterization. Compared with sandstone of relatively higher permeability, shale has a much larger surface ion density and ions diffusion rate, resulting in stronger ions transport capacity. Marine shale has a larger surface ions density than continental shale, suggesting that SID is primarily determined by precipitated salts. However, continental shale has a larger ions diffusion rate than marine shale, leading to a stronger ion transport capacity. It can be explained by more clay minerals in continental shale. Clay minerals that correspond to higher cation exchange capacity and specific surface area can promote faster ion exchange reactions. By comparison with dissolution of precipitated salts, leaching of clay minerals is the dominant mechanism for ion transfer from shale to water. (C) 2017 Elsevier B.V. All rights reserved.
KeywordShale Imbibition Ions Diffusion Fracturing
DOI10.1016/j.jngse.2017.07.020
Indexed BySCI ; EI
Language英语
WOS IDWOS:000413607200020
WOS KeywordIMBIBITION ; ADSORPTION ; FRACTURES
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
Funding OrganizationKey Laboratory of Gas Hydrate, Guangzhou Institute of Energy Conversion - Postdoctoral Science Foundation(Y707kj1001 ; Foundation of Shale Oil and Gas Enrichment Mechanisms and Effective Development(G5800-15-ZS-WX047) ; 2016M601141)
Classification二类
Ranking1
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/71941
Collection流固耦合系统力学重点实验室
Corresponding AuthorYang, L (reprint author), Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China.; Shi, X (reprint author), China Univ Petr East China, Sch Petr Engn, Qingdao 266580, Peoples R China.
Recommended Citation
GB/T 7714
Yang L,Shi, Xian,Ge, Hongkui,et al. Quantitative investigation on the characteristics of ions transport into water in gas shale: Marine and continental shale as comparative study[J]. JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,2017,46:251-264.
APA 杨柳.,Shi, Xian.,Ge, Hongkui.,Liu, Dunqing.,Qu, Xiangmei.,...&Shi, X .(2017).Quantitative investigation on the characteristics of ions transport into water in gas shale: Marine and continental shale as comparative study.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,46,251-264.
MLA 杨柳,et al."Quantitative investigation on the characteristics of ions transport into water in gas shale: Marine and continental shale as comparative study".JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 46(2017):251-264.
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