西湖凹陷平北地区平湖组煤系烃源岩生烃潜力研究
西湖凹陷平北地区平湖组煤系烃源岩生烃潜力研究
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Author / Creator
YANG, Pengcheng , LIU, Feng , SHEN, Shan , DONG Jingwen and BAI Yuhong
Publisher
Beijing: Marine Geology and Quaternary Geology
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Language
Chinese
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Beijing: Marine Geology and Quaternary Geology
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Contents
西湖凹陷平北地区平湖组发育海陆过渡相的煤系烃源岩,以生烃潜力为主要依据对煤岩以及暗色泥岩的有机质丰度进行了评价,并建立了相应的评价标准,评价结果显示其有机质丰度均为中等―好,煤岩表现为S1+S2>90 mg/g,HI>100 mg/g,氯仿沥青“A”>1.0%;暗色泥岩表现为TOC>1%, S1+S2>2 mg/g,氯仿沥青“A”>0.05%,总烃“HC”>150×10-6。干酪根元素分析显示煤的干酪根类型主要为Ⅱ1-Ⅱ2型,富氢的显微组分含量较高,壳质组中的树脂体、孢子体及角质体含量达到10%~20%,且含有约20%的富氢镜质体,表明煤具有较高的生油潜力;暗色泥岩的富氢显微组分低于煤岩,有机质类型主要为Ⅱ2-Ⅲ型,以生气为主。根据镜质体反射率Ro以及S1+S2/TOC等指标共同确定了平北地...
Alternative Titles
Full title
西湖凹陷平北地区平湖组煤系烃源岩生烃潜力研究
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TN_cdi_wanfang_journals_hydzydsjdz202004012
Permalink
https://devfeature-collection.sl.nsw.gov.au/record/TN_cdi_wanfang_journals_hydzydsjdz202004012
Other Identifiers
ISSN
0256-1492
DOI
10.16562/j.cnki.0256-1492.2019070404