Geochemical characteristics of the Carboniferous-Permian source rocks in Western Henan, China

Geochemical characteristics of the Carboniferous-Permian source rocks in Western Henan, China
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豫西石炭系-二叠系烃源岩地球化学特征

DOI:
10.1080/10916466.2018.1547750
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发表时间:
2019-02
影响因子:
1.5
通讯作者:
Jienan Pan
Jienan Pan
中科院分区:
工程技术4区
文献类型:
--
作者:
Wei Wu;Huijun Wang;Jing Yu;Jienan Pan

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摘要 对华北盆地南部石炭系—二叠系地层55个烃源岩样品进行了分析,获得了沉积特征、有机质丰度、干酪根类型和热成熟度以及非常规油气远景。结果表明,烃源岩均受沉积环境演化的支配。高热演化导致S1低,而强构造活动导致保存不良导致S2低。华北盆地南部构造活动较弱、保存条件较好的单元可能是未来非常规天然气勘探的主要领域。
Abstract 55 source rock samples in the Carboniferous-Permian strata, southern Northern China basin were analyzed in this paper to obtain the sedimentary characteristics, organic matter abundance, kerogen type and thermal maturity and the unconventional oil and gas prospects. The results demonstrated that the source rocks were all dominated by the evolution of the sedimentary environment. High thermal evolution resulted in low S1, whereas poor preservation caused by strong tectonic activities resulted in low S2. The units of the southern North China Basin with weak tectonic activity and good preservation conditions may be the main areas for future unconventional gas exploration.
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