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Comparison of coalbed gas generation between Huaibei-Huainan coalfields and Qinshui coal basin based on the tectono-thermal modeling

文献类型：期刊论文

作者Wu YuDong1; Ju YiWen1; Hou QuanLin1; Hu ShengBiao2; Pan JieNan1,3; Fan JunJia1
刊名SCIENCE CHINA-EARTH SCIENCES
出版日期2011-07-01
卷号54期号:7页码:1069-1077
关键词HuaiBei coalfield Huainan coalfield Qinshui coal basin tectono-thermal modeling coalbed gas generation
ISSN号1674-7313
DOI10.1007/s11430-010-4159-9
文献子类Article
英文摘要The geothermal history and the tectonic subsidence history of the Huaibei-Huainan coalfields were reconstructed by using the vitrinite reflectance data, and their correlative restriction on coalbed gas generation of Huaibei-Huainan coalfields and Qinshui coal basin was discussed. The burial, thermal, and maturity histories of are similar between Huaibei coalfield and Huainan coalfield, obviously different from those of Qinshui coal basin. Based on the tectono-thermal evolution characters of Huaibei-Huainan coalfields and Qinshui basin, the process of coalbed gas generation can be divided into three stages: (1) During Early Mesozoic, both in Huaibei-Huainan and Qinshui, the buried depth of Permian coal seams increased rapidly, which resulted in strong metamorphism and high burial temperature of coal seams. At this stage, the coal rank was mainly fat coal, and locally reached coking coal. These created an environment favoring the generation of thermogenic gas. (2) From Late Jurassic to Cretaceous, in the areas of Huaibei-Huainan, the strata suffered from erosion and the crust became thinning, and the Permian coal-bearing strata were uplifted to surface. At this stage, the thermogenic gas mostly escaped. Conversely, in Qinshui basin, the cover strata of coal seams kept intact during this stage, and the thermogenic gas were mostly preserved. Furthermore, with the interaction of magmatism, the burial temperature of coal seams reached higher peak value, and it was suitable for the secondary generation of thermogenic gas. (3) From Paleogene onward, in area of Huainan-Huaibei, the maturity of coal and burial temperature were propitious to the generation of secondary biogenic gases. However, in Qinshui basin, the maturity of coal went against genesis of second biogenic gas or thermogenic gas. By comparison, Huaibei-Huainan coalfields are dominated by thermogenic gas with a significant biogenic gas and hydrodynamic overprint, whereas Qinshui basin is dominated mainly by thermogenic gas.
WOS关键词VITRINITE REFLECTANCE ; METHANE RESERVOIR ; NORTH CHINA ; SAN-JUAN ; EVOLUTION ; SYSTEM ; HISTORIES ; APATITE ; ZONE ; TIME
WOS研究方向Geology
语种英语
WOS记录号WOS:000292307600012
出版者SCIENCE PRESS
资助机构National Natural Science Foundation of China(41030422 ; National Natural Science Foundation of China(41030422 ; National Basic Research Program of China(2009CB219601) ; National Basic Research Program of China(2009CB219601) ; 40772135 ; 40772135 ; 40972131 ; 40972131 ; 40940014) ; 40940014) ; National Natural Science Foundation of China(41030422 ; National Natural Science Foundation of China(41030422 ; National Basic Research Program of China(2009CB219601) ; National Basic Research Program of China(2009CB219601) ; 40772135 ; 40772135 ; 40972131 ; 40972131 ; 40940014) ; 40940014) ; National Natural Science Foundation of China(41030422 ; National Natural Science Foundation of China(41030422 ; National Basic Research Program of China(2009CB219601) ; National Basic Research Program of China(2009CB219601) ; 40772135 ; 40772135 ; 40972131 ; 40972131 ; 40940014) ; 40940014) ; National Natural Science Foundation of China(41030422 ; National Natural Science Foundation of China(41030422 ; National Basic Research Program of China(2009CB219601) ; National Basic Research Program of China(2009CB219601) ; 40772135 ; 40772135 ; 40972131 ; 40972131 ; 40940014) ; 40940014)
源URL[http://ir.iggcas.ac.cn/handle/132A11/74114]  
专题中国科学院地质与地球物理研究所
通讯作者Hou QuanLin
作者单位1.Chinese Acad Sci, Coll Earth Sci, Grad Univ, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
3.Henan Polytech Univ, Inst Resources & Environm, Jiaozuo City 454000, Henan, Peoples R China
推荐引用方式
GB/T 7714		 Wu YuDong,Ju YiWen,Hou QuanLin,et al. Comparison of coalbed gas generation between Huaibei-Huainan coalfields and Qinshui coal basin based on the tectono-thermal modeling[J]. SCIENCE CHINA-EARTH SCIENCES,2011,54(7):1069-1077.
APA Wu YuDong,Ju YiWen,Hou QuanLin,Hu ShengBiao,Pan JieNan,&Fan JunJia.(2011).Comparison of coalbed gas generation between Huaibei-Huainan coalfields and Qinshui coal basin based on the tectono-thermal modeling.SCIENCE CHINA-EARTH SCIENCES,54(7),1069-1077.
MLA Wu YuDong,et al."Comparison of coalbed gas generation between Huaibei-Huainan coalfields and Qinshui coal basin based on the tectono-thermal modeling".SCIENCE CHINA-EARTH SCIENCES 54.7(2011):1069-1077.

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来源：地质与地球物理研究所

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