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Logging identification and characteristic analysis of marine-continental transitional organic-rich shale in the Carboniferous-Permian strata, Bohai Bay Basin

机译:渤海湾盆地石炭系-二叠系海相-陆相过渡有机质富集页岩的测井识别与特征分析

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摘要

Currently, global shale gas exploration and exploitation are focused on marine shale. Recently, major shale gas-oil breakthroughs have been made within continental and marine continental transitional shale in China. This study will show how transitional shale is of great importance. Based on geological field surveys, core observations, thin section analysis, organic geochemistry and X-ray diffraction, we systematically studied the basic geological characteristics (including lithology, mineral composition, and organic geochemistry) of this transitional shale. By comparative analysis of well logging data from 260 wells in the Taiyuan-Shanxi shale, we will show that these methods are effective for identifying organic-rich shale from conventional well logs and determining its thickness distribution in the Carboniferous-Permian strata of the Taiyuan-Shanxi transitional coal-bearing formation.
机译:当前,全球页岩气的勘探和开发集中在海洋页岩上。最近,在中国大陆和海洋大陆过渡页岩中取得了页岩气的重大突破。这项研究将显示过渡页岩是多么重要。基于地质现场调查,岩心观察,薄层分析,有机地球化学和X射线衍射,我们系统地研究了该过渡页岩的基本地质特征(包括岩性,矿物组成和有机地球化学)。通过对太原-山西页岩的260口井的测井数据进行对比分析,我们将显示这些方法对于从常规测井中识别富含有机质的页岩并确定其在太原-石炭-二叠系地层的厚度分布是有效的。山西过渡含煤地层。

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