A Combination of N2 and CO2 Adsorption to Characterize Nanopore Structure of Organic-Rich Lower Silurian Shale in the Upper Yangtze Platform,South China:Implications for Shale Gas Sorption Capacity
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作者:
CHEN Lei
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机构:
State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum
Unconventional Natural Gas Institute,China University of Petroleum
Unconventional Oil & Gas Cooperative Innovation Center,China University of PetroleumState Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum
CHEN Lei
[1
,2
,3
]
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JIANG Zhenxue
[1
,2
]
LIU Keyu
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机构:
CSIRO Earth Science and Resource Engineering
School of Geosciences,China University of PetroleumState Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum
LIU Keyu
[4
,5
]
GAO Fenglin
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机构:
State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum
Unconventional Natural Gas Institute,China University of PetroleumState Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum
GAO Fenglin
[1
,2
]
WANG Pengfei
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机构:
State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum
Unconventional Natural Gas Institute,China University of PetroleumState Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum
WANG Pengfei
[1
,2
]
机构:
[1] State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum
[2] Unconventional Natural Gas Institute,China University of Petroleum
[3] Unconventional Oil & Gas Cooperative Innovation Center,China University of Petroleum
[4] CSIRO Earth Science and Resource Engineering
[5] School of Geosciences,China University of Petroleum
The pores in shales are mainly of nanometer-scale,and their pore size distribution is very important for the preservation and exploitation of shale gas.This study focused on the organic-rich Lower Silurian black shale from four wells in the Upper Yangtze Platform,and their TOC,mineralogical composition and pore characterization were investigated.Low pressure N2and CO2adsorption were conducted at 77.35 K and 273.15 K,respectively,and the pore structures were characterized by modified Brunauer-Emmett-Teller(BET),Dubinin-Radushkevich(DR),t-plot,BarrettJoyner-Halenda(BJH) and density functional theory(DFT) methods and then the relationship between pore structure and shale gas sorption capacity was discussed.The results indicate that(1) The Lower Silurian shale has high TOC content of 0.92%-4.96%,high quartz content of 30.6%-69.5%,and high clays content of 24.1%-51.2%.The total specific surface area varies from 7.56 m2/g to 25.86 m2/g.Both the total specific surface area and quartz content are positively associated with the TOC content.(2)Shale samples with higher TOC content have more micropores,which results in more complex nanopore structure.Micropore volumes/surface areas and non-micropore surface areas all increase with the increasing TOC content.(3) A combination of N2and CO2adsorption provides the most suitable detection range(0.3-60 nm) and has high reliability and accuracy for nanopore structure characterization.(4) The TOC content is the key factor to control the gas sorption capacity of the Lower Silurian shale in the Upper Yangtze Platform.
机构:
China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Nat Gas Inst, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Oil & Gas Cooperat Innovat Ctr, Beijing 102249, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
Chen Lei
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Jiang Zhenxue
Liu Keyu
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CSIRO Earth Sci & Resource Engn, Bentley, WA 6102, Australia
China Univ Petr, Sch Geosci, Qingdao 266580, Shandong, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
Liu Keyu
Gao Fenglin
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机构:
China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Nat Gas Inst, Beijing 102249, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
Gao Fenglin
Wang Pengfei
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China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Nat Gas Inst, Beijing 102249, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
机构:
China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Nat Gas Inst, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Oil & Gas Cooperat Innovat Ctr, Beijing 102249, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
Chen, L.
Jiang, Z.
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China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Nat Gas Inst, Beijing 102249, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
Jiang, Z.
Liu, K.
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机构:
CSIRO Earth Sci & Resource Engn, Bentley, WA 6102, AustraliaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
Liu, K.
Wang, P.
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机构:
China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Nat Gas Inst, Beijing 102249, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
Wang, P.
Gao, F.
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机构:
China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Nat Gas Inst, Beijing 102249, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
机构:
China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Nat Gas Inst, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Oil & Gas Cooperat Innovat Ctr, Beijing 102249, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
Chen, Lei
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Jiang, Zhenxue
Liu, Keyu
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CSIRO Earth Sci & Resource Engn, Bentley, WA 6102, Australia
China Univ Petr, Sch Geosci, Qingdao 266580, Shandong, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
Liu, Keyu
Tan, Jingqiang
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Cent S Univ, Sch Geosci & Infophys, Changsha 410012, Hunan, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
Tan, Jingqiang
Gao, Fenglin
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China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Nat Gas Inst, Beijing 102249, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
Gao, Fenglin
Wang, Pengfei
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China Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
China Univ Petr, Unconvent Nat Gas Inst, Beijing 102249, Peoples R ChinaChina Univ Petr, State Key Lab Petr Resources & Prospecting, Beijing 102249, Peoples R China
机构:
Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China
Wei, Mingming
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Zhang, Li
Xiong, Yongqiang
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Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China
Xiong, Yongqiang
Li, Jinhua
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Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China
Li, Jinhua
Peng, Ping'an
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Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R ChinaChinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China
机构:
NW Univ Xian, State Key Lab Continental Dynam, Xian 710069, Peoples R China
NW Univ Xian, Dept Geol, Xian 710069, Peoples R ChinaNW Univ Xian, State Key Lab Continental Dynam, Xian 710069, Peoples R China
Guo, Ling
Jiang, Zaixing
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China Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R ChinaNW Univ Xian, State Key Lab Continental Dynam, Xian 710069, Peoples R China
Jiang, Zaixing
Liang, Chao
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China Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R ChinaNW Univ Xian, State Key Lab Continental Dynam, Xian 710069, Peoples R China
机构:
China Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China
Minist Educ, Key Lab Marine Reservoir Evolut & Hydrocarbon Enr, Beijing 100083, Peoples R ChinaChina Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China
Huang, Hanyu
He, Dengfa
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China Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China
Minist Educ, Key Lab Marine Reservoir Evolut & Hydrocarbon Enr, Beijing 100083, Peoples R ChinaChina Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China
He, Dengfa
Li, Di
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China Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China
Minist Educ, Key Lab Marine Reservoir Evolut & Hydrocarbon Enr, Beijing 100083, Peoples R ChinaChina Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China
Li, Di
Li, Yingqiang
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SINOPEC, Petr Explorat & Prod Res Inst, Beijing 100083, Peoples R ChinaChina Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China
Li, Yingqiang
Zhang, Weikang
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China Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China
Minist Educ, Key Lab Marine Reservoir Evolut & Hydrocarbon Enr, Beijing 100083, Peoples R ChinaChina Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China
Zhang, Weikang
Chen, Jiajun
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China Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China
Minist Educ, Key Lab Marine Reservoir Evolut & Hydrocarbon Enr, Beijing 100083, Peoples R ChinaChina Univ Geosci, Sch Energy Resources, Beijing 100083, Peoples R China
机构:
Minist Nat Resources, China Geol Survey, Guangzhou Marine Geol Survey, Guangzhou 510075, Peoples R China
China Univ Geosci, Key Lab Tecton & Petr Resources, Minist Educ, Wuhan 430074, Peoples R ChinaMinist Nat Resources, China Geol Survey, Guangzhou Marine Geol Survey, Guangzhou 510075, Peoples R China
Yang, Wei
He, Sheng
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China Univ Geosci, Key Lab Tecton & Petr Resources, Minist Educ, Wuhan 430074, Peoples R ChinaMinist Nat Resources, China Geol Survey, Guangzhou Marine Geol Survey, Guangzhou 510075, Peoples R China
He, Sheng
Su, Ao
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Yangtze Univ, Key Lab Explorat Technol Oil & Gas Resource, Minist Educ, Wuhan 430000, Peoples R ChinaMinist Nat Resources, China Geol Survey, Guangzhou Marine Geol Survey, Guangzhou 510075, Peoples R China
Su, Ao
Zhai, Gangyi
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China Geol Survey, Oil & Gas Survey, Beijing 100083, Peoples R ChinaMinist Nat Resources, China Geol Survey, Guangzhou Marine Geol Survey, Guangzhou 510075, Peoples R China
Zhai, Gangyi
Zhou, Zhi
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China Geol Survey, Oil & Gas Survey, Beijing 100083, Peoples R ChinaMinist Nat Resources, China Geol Survey, Guangzhou Marine Geol Survey, Guangzhou 510075, Peoples R China
Zhou, Zhi
Dong, Tian
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China Univ Geosci, Key Lab Tecton & Petr Resources, Minist Educ, Wuhan 430074, Peoples R ChinaMinist Nat Resources, China Geol Survey, Guangzhou Marine Geol Survey, Guangzhou 510075, Peoples R China
Dong, Tian
Tao, Ze
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China Univ Geosci, Key Lab Tecton & Petr Resources, Minist Educ, Wuhan 430074, Peoples R ChinaMinist Nat Resources, China Geol Survey, Guangzhou Marine Geol Survey, Guangzhou 510075, Peoples R China