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Use of brGDGTs in surface geochemical exploration for petroleum-A case study of oil and gas fields in the Jiyang depression.

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Title: Use of brGDGTs in surface geochemical exploration for petroleum-A case study of oil and gas fields in the Jiyang depression.
Authors: Zhou, HaoDa, Hu, JianFang1 hujf@gig.ac.cn, Xiong, YongQiang1, Liang, QianYong
Source: SCIENCE CHINA Earth Sciences. Jul2014, Vol. 57 Issue 7, p1605-1612. 8p.
Subjects: Glyceryl ethers, Gas fields, Oil fields, Acidolysis, Hydrocarbons, Geochemical prospecting
Abstract: Branched glycerol dialkyl glycerol tetraethers (brGDGTs), likely produced by bacteria in soil and peat, are widely distributed, easily detected, newly adopted biomarker compounds. In this study, brGDGTs were used to explore the relationship between the absolute abundance of brGDGTs and the distribution of oil and gas fields in the Duoshiqiao area of the Jiyang depression. The results showed that the concentrations at the Xiakou fault and in the oil and gas fields were obviously higher than those in the contrast areas. The clear relationship among the concentration of brGDGTs, the distribution of oil and gas fields, and the acidolysis hydrocarbon (ethane) indicates that the concentration effectively responds to hydrocarbon seeps from the oil and gas field below. brGDGTs may become some of the most important indicators in surface geochemical prospecting for oil and gas. [ABSTRACT FROM AUTHOR]
Copyright of SCIENCE CHINA Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Use of brGDGTs in surface geochemical exploration for petroleum-A case study of oil and gas fields in the Jiyang depression.
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  Data: <searchLink fieldCode="AR" term="%22Zhou%2C+HaoDa%22">Zhou, HaoDa</searchLink><br /><searchLink fieldCode="AR" term="%22Hu%2C+JianFang%22">Hu, JianFang</searchLink><relatesTo>1</relatesTo><i> hujf@gig.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Xiong%2C+YongQiang%22">Xiong, YongQiang</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Liang%2C+QianYong%22">Liang, QianYong</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22SCIENCE+CHINA+Earth+Sciences%22">SCIENCE CHINA Earth Sciences</searchLink>. Jul2014, Vol. 57 Issue 7, p1605-1612. 8p.
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  Data: <searchLink fieldCode="DE" term="%22Glyceryl+ethers%22">Glyceryl ethers</searchLink><br /><searchLink fieldCode="DE" term="%22Gas+fields%22">Gas fields</searchLink><br /><searchLink fieldCode="DE" term="%22Oil+fields%22">Oil fields</searchLink><br /><searchLink fieldCode="DE" term="%22Acidolysis%22">Acidolysis</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrocarbons%22">Hydrocarbons</searchLink><br /><searchLink fieldCode="DE" term="%22Geochemical+prospecting%22">Geochemical prospecting</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Branched glycerol dialkyl glycerol tetraethers (brGDGTs), likely produced by bacteria in soil and peat, are widely distributed, easily detected, newly adopted biomarker compounds. In this study, brGDGTs were used to explore the relationship between the absolute abundance of brGDGTs and the distribution of oil and gas fields in the Duoshiqiao area of the Jiyang depression. The results showed that the concentrations at the Xiakou fault and in the oil and gas fields were obviously higher than those in the contrast areas. The clear relationship among the concentration of brGDGTs, the distribution of oil and gas fields, and the acidolysis hydrocarbon (ethane) indicates that the concentration effectively responds to hydrocarbon seeps from the oil and gas field below. brGDGTs may become some of the most important indicators in surface geochemical prospecting for oil and gas. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of SCIENCE CHINA Earth Sciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s11430-014-4856-x
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        Text: English
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        Type: general
      – SubjectFull: Gas fields
        Type: general
      – SubjectFull: Oil fields
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      – SubjectFull: Acidolysis
        Type: general
      – SubjectFull: Hydrocarbons
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      – SubjectFull: Geochemical prospecting
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      – TitleFull: Use of brGDGTs in surface geochemical exploration for petroleum-A case study of oil and gas fields in the Jiyang depression.
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              Text: Jul2014
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