收稿日期: 2017-10-18
修回日期: 2018-03-29
网络出版日期: 2018-05-10
基金资助
中国地质调查局调查工作项目(编号:DD20160180;资[2014]03-029-005)联合资助.
The feasibilities to explore biogenic gas in the quaternary stratawith electrical resistivity imaging:A case study of Nantong area of Jiangsu Province,China
Received date: 2017-10-18
Revised date: 2018-03-29
Online published: 2018-05-10
滕龙,殷启春,方朝刚,郑红军,沈雪华,朱红兵,陈基炜 . 利用高密度电阻率法预测第四系浅层生物气——以江苏省南通地区为例[J]. 天然气地球科学, 2018 , 29(5) : 719 -728 . DOI: 10.11764/j.issn.1672-1926.2018.03.017
Electrical resistivity imaging (ERI) is an effective tool to prospect biogenic gas in shallow layer.In this paper,we illustrate the applications of ERI to compartmentalize lithologies and recognize the Quaternary strata structure,distinguish reservoirs and biogenic gas layers based on the surveying results obtained in Nantong area.The research indicates that the resistivity section with ERI in Nantong area can perfectly recognize the Quaternary strata structure on the basis of physical properties of rock.The clay and sand can be continuously recognized for the flat sedimentary interface in the Quaternary.The resistivity is high when the biogenic gas bears sand and vice versa.The reservoirs and biogenic gas layers can be distinguished using this feature.
Key words: Electrical resistivity imaging; Quaternary; Biogenic gas; Nantong area
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