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Article Navigation >  Acta Sedimentologica Sinica  > 2017  >  35(4): 834-842

YANG YongCai, LI YouChuan, SUN YuMei, WU KeQiang, LIU LiFang. Tetracyclic Polyprenoids: A New Biomarker in the Rifted Lacustrine Basin in East China[J]. Acta Sedimentologica Sinica, 2017, 35(4): 834-842. doi: 10.14027/j.cnki.cjxb.2017.04.017
Citation: YANG YongCai, LI YouChuan, SUN YuMei, WU KeQiang, LIU LiFang. Tetracyclic Polyprenoids: A New Biomarker in the Rifted Lacustrine Basin in East China[J]. Acta Sedimentologica Sinica, 2017, 35(4): 834-842. doi: 10.14027/j.cnki.cjxb.2017.04.017
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Tetracyclic Polyprenoids: A New Biomarker in the Rifted Lacustrine Basin in East China

doi: 10.14027/j.cnki.cjxb.2017.04.017

  • China National Offshore Oil Corporation Research Institute, Beijing 100028, China

Funds:  National Science and Technology Major Project, No. 2016ZX05024-002; Exploration Project of China National Offshore Oil Corporation, No. 2012-KT-11, 2013-KT-09-05
  • Received Date: 2016-03-31
  • Rev Recd Date: 2016-07-27
  • Publish Date: 2017-08-10
  • The tetracyclic polyprenoid compounds are the powerful tools for recognition of the fresh/brackish water algal input into lacustrine depositional setting of hydrocarbon source rocks.The tetracyclic polyprenoid compounds (TPP) are observed in the samples derived from the Paleogene source rocks and crude oils in Qikou Sag in offshore Bohai Bay Basin in East China rifted lacustrine basins. Two isomers of the tetracyclic polyprenoids are detected based on the retention time of gas chromatography (GC), mass spectrum characteristics and compared with other literatures. Tetracyclic polyprenoid compounds are present in relatively high concentrations in oils and associated source rocks deposited under increased saline conditions and may be useful in the recognizing changes in water salinity. The tetracyclic polyprenoids are new geochemical markers of the oil-source rock correlations in Qikou sag in offshore Bohai Bay Basin in East China rifted lacustrine basins and sorting effectively out the crude oil from the hydrocarbon resource rocks of the 3rd Member(Es3) and 1st Member(Es1) of the Eocene Shahejie Formation. The tetracyclic polyprenoids are significantly useful to assessing the algal input, depositional environment and the correlations between the oils and source rocks.
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Publishing history
  • Received:  2016-03-31
  • Revised:  2016-07-27
  • Published:  2017-08-10

Tetracyclic Polyprenoids: A New Biomarker in the Rifted Lacustrine Basin in East China

doi: 10.14027/j.cnki.cjxb.2017.04.017
  • China National Offshore Oil Corporation Research Institute, Beijing 100028, China
Funds:  National Science and Technology Major Project, No. 2016ZX05024-002; Exploration Project of China National Offshore Oil Corporation, No. 2012-KT-11, 2013-KT-09-05
  • Received Date: 2016-03-31
  • Rev Recd Date: 2016-07-27
  • Publish Date: 2017-08-10

Abstract: The tetracyclic polyprenoid compounds are the powerful tools for recognition of the fresh/brackish water algal input into lacustrine depositional setting of hydrocarbon source rocks.The tetracyclic polyprenoid compounds (TPP) are observed in the samples derived from the Paleogene source rocks and crude oils in Qikou Sag in offshore Bohai Bay Basin in East China rifted lacustrine basins. Two isomers of the tetracyclic polyprenoids are detected based on the retention time of gas chromatography (GC), mass spectrum characteristics and compared with other literatures. Tetracyclic polyprenoid compounds are present in relatively high concentrations in oils and associated source rocks deposited under increased saline conditions and may be useful in the recognizing changes in water salinity. The tetracyclic polyprenoids are new geochemical markers of the oil-source rock correlations in Qikou sag in offshore Bohai Bay Basin in East China rifted lacustrine basins and sorting effectively out the crude oil from the hydrocarbon resource rocks of the 3rd Member(Es3) and 1st Member(Es1) of the Eocene Shahejie Formation. The tetracyclic polyprenoids are significantly useful to assessing the algal input, depositional environment and the correlations between the oils and source rocks.

YANG YongCai, LI YouChuan, SUN YuMei, WU KeQiang, LIU LiFang. Tetracyclic Polyprenoids: A New Biomarker in the Rifted Lacustrine Basin in East China[J]. Acta Sedimentologica Sinica, 2017, 35(4): 834-842. doi: 10.14027/j.cnki.cjxb.2017.04.017
Citation: YANG YongCai, LI YouChuan, SUN YuMei, WU KeQiang, LIU LiFang. Tetracyclic Polyprenoids: A New Biomarker in the Rifted Lacustrine Basin in East China[J]. Acta Sedimentologica Sinica, 2017, 35(4): 834-842. doi: 10.14027/j.cnki.cjxb.2017.04.017
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