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Application of pyrolysis gas chromatography technique to evaluation of coal-generated hydrocarbon

Science China Earth Sciences 1997年第1期40卷 99-103页

作者：孙永革盛国英傅家谟 Guangzhou Institute of Geochemistry Chinese Academy of Sciences Guangzhou 510640 China

Based on kerogen-generated hydrocarbon model, a new method to calculate hydrocarbon yields for coals and coaly samples was put forward by means of pyrolysis technique. At the same time, the empirical criteria suggested by Powell were revised. The threshold value was preliminarily defined as HC yields >30 mg HC per gram TOC for effective gas source rocks and >60 mg HC per gram TOC for effective oil source rocks. Additionally, it was also confirmed that the relative compositions of the three ranges of C1-C5 total hydrocarbons, C6-C14 n-alkanes plus n-alkenes and C15+ n-alkanes plus n-alkenes from pyrolysates can be effectively used to distinguish the coal-generated hydrocarbon types.

关键词： coal-generated hydrocarbon pyrolysis-GC HC yields hydrocarbon types

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Experimental study and evaluation on hydrocarbon generation of macerals

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Chinese Science Bulletin 2000年第14期45卷 1270-1276页

作者： LIU Dehan ZHANG Huizhi DAI Jinxing SHENG Guoying XIAO Xianming SUN Yongge SENG Jiagui Guangzhou Institute of Geochemistry Chinese Academy of SciencesGuangzhou 510640China Research Institute of Petroleum Exploration and Development Beijing 100083China

Some typical coal and maceral samples are selected for oil and gas-generatingsystematic thermal simulation experiments, Rock-Eval, GC and GC-MS analyses. Results cause productivity curves of extracts and gaseous, light, liquid as well as total hydrocarbon. Effects of macerals and maturation on hydrocarbon productivities and compositions are synthetically discussed. Evaluation indexes and plan on coal-generated oil and gas in bituminous coal rank are suggested according to the data from experiments and analyses.

关键词： coal maceral simulation experiment coal-generated oil and gas evaluation on coal-generated hydrocarbon.

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MIDDLE AND LATE CARBONIFEROUS CHENIER DEPOSITS IN ORDOS REGION

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Chinese Science Bulletin 1990年第12期35卷 1011-1013页

作者：陈昌明汪寿松黄家宽陈志明柯保嘉陈安宁 Institute of Geology Academia Sinica Beijing 100011 PRC Exploration and Development Institute of Changqing Oil Explonation Bureau Qingyang 745100 PRC

Ordos is located in the western part of North China Platform and was subjected to erosion at the late stage of Caledonian movement when the platform was uplifted. Later, Variscian movement made this region subside and... 详细信息

关键词： chenier depositional system fine-grained coal-bearing series isolated sand body large scale coal and coal-generated gas accumulation province.

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