| 干酪根的赋存状态与成熟度的关系 |
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| 引用本文： | 王铮.干酪根的赋存状态与成熟度的关系[J].沉积学报,1990,8(4):124-129. |
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| 作者姓名： | 王铮 |
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| 作者单位： | 地质矿产部石油地质综合大队 |
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| 摘 要： | 本文应用镜质体反射率、DTA-DSC热分析、脉冲元素分析等新的测试技术,对两口钻井剖面的有机地球化学资料进行研究,论证干酪根赋存于不同岩性中的各项演化参数是相近的。腐殖型分散干酪根的各项演化参数指标要比同一钻井剖面中埋藏深度相近的腐殖型煤低半个至一个煤阶。 笔者还研究了地层中往往出现的逆反希尔特定律现象的机理,认为造成上述现象是由于干酪根的赋存状态、源岩导热性、聚热、散热系数不同所导致的结果。
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| 关 键 词： | 煤 干酪根 岩性 成熟度 逆反希尔特定律 |
RELATIONSHIP BETWEEN PRESERVED STATES OF KEROGEN AND MATURITY |
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| Institution: | Comprehensive Research Institute of Petroleum Geology, Ministry of Geology and Mineral Resources |
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| Abstract: | The method of coal- petrology- study and some new measurement technologies such as vitrinite reflectance, DTA-DSC thermal analysis and pulse element analysis , ect. As indicatores in this paper are used to distinguish and divide the evolution stage of coal and kerogen. The author attempts to demonstrate that each evolution parameter of kerogen preserved in different rocks is approximate but an equal by making comprehensive studies of organic geochemical information . from sections of two drilling-wells. The facts prove that each evolution perameter of type Ⅲ dispersed kerogen is lower one or half coal rank than that of mimic coal in the same drilling section and burial depth. The result also proves that the parameter of coal kerogen is larger than that of dispersed kerogen in shale which is larger than that of in mud stone which is larger than that of in sandstone. The samples are in the approximately strata depth of the same drilling section. The above diversity may be caused by the difference of kerogen preserving state of kerogen, thermal conductivity of source rock, coefficient of heat gather and radiation. |
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