IGGCAS OpenIR  > 兰州油气中心
Chemical and carbon isotope fractionations of alkane gases desorbed from confined systems and the application toward shale gas reservoir
Liu, Peng1,2; Wang, Xiaofeng1; Lin, Ying3; Liu, Changjie4; Li, Xiaofu5; Liu, Wenhui1
2020-03-01
Source PublicationMARINE AND PETROLEUM GEOLOGY
ISSN0264-8172
Volume113Pages:13
AbstractAdsorption and desorption processes of shale gas possess particular characteristics compared to conventional natural gas. Previous studies conducted desorption experiments on fresh core samples to investigate the isotope and chemical fractionations during the desorption process. However, complete chemical and isotope fractionations cannot be obtained due to the loss of gases during the coring process. In this study, we utilized a modified experimental apparatus based on the fixed adsorption bed to conduct systematic desorption experiments in confined systems with different proportions of free and adsorbed gases. The results show that different adsorption capacities and non-synchronous desorption for alkane gas components are leading factors influencing chemical fractionation during the desorption process. Meanwhile, C-1/C-2 and C-1/(C-2 + C-2) vary with different proportions of adsorbed gases in the same adsorption matrix. Generally, isotope fractionation between the adsorbed and free phases during desorption follows the Rayleigh fractionation model. The linear correlations between proportions of adsorbed CH4 and isotope fractionation factors can be applied to predict the proportions of adsorbed gases. Calculations show that on average 55% of hydrocarbon gases exist at adsorbed state in shale gas from Yanchang Formation of Ordos Basin.
KeywordChemical fractionation Isotope fractionation Adsorption matrix Shale gas desorption Rayleigh fractionation model
DOI10.1016/j.marpetgeo.2019.104103
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province
WOS KeywordTHERMAL MATURITY ; ADSORPTION ; COAL ; DIOXIDE ; METHANE ; CH4 ; CO2 ; DESORPTION ; BASIN ; FLOW
Language英语
Funding ProjectNational Natural Science Foundation of China[41972134] ; Key Laboratory Project of Gansu Province[1309RTSA041]
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province ; Key Laboratory Project of Gansu Province
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000510804800053
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95655
Collection兰州油气中心
Corresponding AuthorWang, Xiaofeng
Affiliation1.Northwest Univ, Dept Geol, State Key Lab Continental Dynam, 229 Taibai North Rd, Xian 710069, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Gansu Prov Key Lab Petr Resources Res, Key Lab Petr Resources, Lanzhou 730000, Peoples R China
3.Univ Calif Riverside, Dept Earth & Planetary Sci, Riverside, CA 92521 USA
4.Texas Tech Univ, Dept Geosci, Lubbock, TX 79409 USA
5.Sichuan Coal Field Geol Bur, Sichuan Key Lab Shale Gas Evaluat & Explorat, Chengdu 610073, Peoples R China
First Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Liu, Peng,Wang, Xiaofeng,Lin, Ying,et al. Chemical and carbon isotope fractionations of alkane gases desorbed from confined systems and the application toward shale gas reservoir[J]. MARINE AND PETROLEUM GEOLOGY,2020,113:13.
APA Liu, Peng,Wang, Xiaofeng,Lin, Ying,Liu, Changjie,Li, Xiaofu,&Liu, Wenhui.(2020).Chemical and carbon isotope fractionations of alkane gases desorbed from confined systems and the application toward shale gas reservoir.MARINE AND PETROLEUM GEOLOGY,113,13.
MLA Liu, Peng,et al."Chemical and carbon isotope fractionations of alkane gases desorbed from confined systems and the application toward shale gas reservoir".MARINE AND PETROLEUM GEOLOGY 113(2020):13.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Liu, Peng]'s Articles
[Wang, Xiaofeng]'s Articles
[Lin, Ying]'s Articles
Baidu academic
Similar articles in Baidu academic
[Liu, Peng]'s Articles
[Wang, Xiaofeng]'s Articles
[Lin, Ying]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Liu, Peng]'s Articles
[Wang, Xiaofeng]'s Articles
[Lin, Ying]'s Articles
Terms of Use
No data!
Social Bookmark/Share
Add to CiteULike Add to Connotea Add to Del.icio.us Add to Digg Add to Reddit Add to Technorati
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.