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首页> 外文会议>International Conference on Measurement and Control of Granular Materials(MCGM 2006) >THE CHARACTERISTICS AND SOURCES OF NATURAL GASES FROM ORDOVICIAN WEATHERED CRUST GAS RESERVOIRS IN THE CENTRAL GAS FIELD IN ORDOS BASIN
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THE CHARACTERISTICS AND SOURCES OF NATURAL GASES FROM ORDOVICIAN WEATHERED CRUST GAS RESERVOIRS IN THE CENTRAL GAS FIELD IN ORDOS BASIN

机译：鄂尔多斯盆地中央气田奥陶系风化壳气藏天然气的特征与来源。

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The central gas field, located in the northern part of central paleo-uplift zone around the Jingbian and Hengshan areas in the Ordos Basin, is a famous large-sized gas field in Onshore China. Many scholars at home and abroad have done a lot of research work, but there has still been controversy on the origin of Ordovician weathered crust gases in the central gas field. In General, the gas spurce of this gas field is a mixture of Carboniferous-Permian (C-P) coal-related gases and Ordovician oil-type gases. Thus, the main gas source is the key problem involved in natural gas exploration and development in this region. There are two different hypotheses concerning the main source of Ordovician weathering crust natural gases. One holds that Ordovician natural gases in the central gas field were mainly derived from C-P coal-bearing strata, i.e., coal-derived gases (e.g. Guan Deshi et al., 1993; Yang Junjie et al., 1991, 1996; Dai Jinxing et al., 1997, 1999; Zhang Wenzheng et al., 1997; Xia Xinyu, 2000). The other suggests that natural gases in the central gas field were mainly derived from Ordovician carbonate rocks and belongs to the oil-type gases (e.g. Chen Anding, 1994, 2002; Huang Difan et al., 1996; Xu Yongchang et al., 1994; Jiang Zhusheng et al., 1999; Li Jian et al., 2001; Li Xianqing et al., 2001, 2003). On the basis of these researches, the authors try to further discuss geochemical characteristics and gas sources of Ordovician weathered crust gas reservoirs in the central gas field.
机译：中央气田位于鄂尔多斯盆地靖边和衡山地区中部古隆起带北部，是中国陆上著名的大型气田。国内外许多学者做了很多研究工作，但在中央气田奥陶纪风化壳气的成因仍存在争议。通常，该气田的气源是石炭-二叠系（C-P）与煤有关的气体和奥陶纪石油类气体的混合物。因此，主要气源是该地区天然气勘探与开发涉及的关键问题。关于奥陶纪风化壳天然气的主要来源有两种不同的假设。有人认为，中央气田中的奥陶纪天然气主要来自CP煤层气，即煤衍生气（关冠石等，1993;杨俊杰等，1991，1996;戴金星等。等人，1997，1999;张文正等，1997;夏新宇，2000）。另一项研究认为，中央气田的天然气主要来源于奥陶系碳酸盐岩，属于石油类气体（例如Chen Anding，1994，2002; Huang Difan et al。，1996; Xu Yongchang et al。，1994）。 ; Jiang Zhusheng等，1999; Li Jian等，2001; Li Xianqing等，2001，2003）。在这些研究的基础上，作者试图进一步讨论中央气田奥陶纪风化壳气藏的地球化学特征和气源。

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