Geochemical and geological characteristics of the Lower Cambrian shales in the middle-upper Yangtze area of South China and their implication for the shale gas exploration
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- 作者：Jian-Fei Yana ; b ; 1 ; Yu-Peng Menb ; 1 ; Yuan-Yuan Sunb ; c ; cgssunyy@163.com" class="auth_mail" title="E-mail the corresponding author ; Qian Yub ; Wei Liub ; Hai-Quan Zhangb ; Jun Liud ; Jian-Wei Kangb ; Shao-Nan Zhange ; Hong-Hai Baif ; Xi Zhengf
- 关键词：Organic-rich shale ; Favorable shale gas zone ; Niutitang Formation
- 刊名：Marine and Petroleum Geology
- 出版年：2016
- 出版时间：February 2016
- 年：2016
- 卷：70
- 期：Complete
- 页码：1-13
- 全文大小：8489 K
文摘
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TOC values in most analyzed samples from the middle–upper Yangtze area of South China are higher than 2.0%.
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Brittle mineral contents are generally above 40.0%.
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Porosity and permeability are relatively low in most samples and range 0.1%–21.9% and 0.001–2.540 mD respectively.
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Five areas are selected as favorable targets for shale gas exploration.