石油与天然气地质 ›› 2014, Vol. 35 ›› Issue (2): 167-182.

• 油气地质 • 上一篇    下一篇

中国与煤成气相关的大型、特大型气田分布特征及启示

王庭斌, 董立, 张亚雄   

  1. 中国石化 石油勘探开发研究院, 北京 100083
  • 收稿日期:2013-12-18 出版日期:2014-04-08 发布日期:2014-05-21
  • 作者简介:王庭斌(1936- ),男,教授级高级工程师,石油与天然气地质。E-mail:tingbin_bj@sina.com。

Distribution of large and giant coal-related gas fields in China and its significance

Wang Tingbin, Dong Li, Zhang Yaxiong   

  1. SINOPEC Petroleum Exploration and Development Research Institute, Beijing 100083, China
  • Received:2013-12-18 Online:2014-04-08 Published:2014-05-21

摘要: 与煤成气相关的大型、特大型气田是中国天然气储量的主体。中国含煤盆地众多,但是只有少数大、中型含煤盆地具有形成大型、特大型气田的地质条件。含煤岩系沉积后的构造地质环境对形成煤成气藏的影响更为重要。生气高峰期及成藏期越晚,越快、越有利于含煤盆地转化成为含气(油)盆地,越有利于形成大型、特大型煤成气田。以类前陆型、克拉通内坳陷型及陆缘断陷型含煤-含气(油)盆地勘探前景最好。鄂尔多斯盆地,四川盆地中部、西部和东北部,塔里木盆地北部(库车坳陷),东海盆地西湖凹陷,莺琼盆地,柴达木盆地北部和三湖区,准噶尔盆地北部和南部,松辽盆地深部及南海北部深水区等含煤盆地,仍然是21世纪近、中期中国天然气储、产量保持快速增长的重点地区。

关键词: 气田分布特征, 大型、特大型气田, 煤成气, 含煤-含气(油)盆地, 中国

Abstract: The majority of gas reserves in China are stored in large and giant coal-related gas fields coal-related gas.Despite the fact of numerous coal-bearing basins in China,there are only a few large-and medium-sized such basins having the right geological conditions for forming large or giant gas fieds.The tectonic geological environments after deposition of coal-bearing strata are thought to be more closely linked to coal-related gas reservoirs:the later the peak gas-generation and reservoiring periods were,the more favorable it was for coal-bearing basins transforming into gas(oil)-bearing basins and forming larege and giant coal-related gas fields.Coal-bearing/gas(oil)-bearing basins of para-foreland type,intracratonic depressions type and marginal rift type are considered to be most promising in terms of exploration for gas.Basins including Ordos basin,central,western and north-eastern Sichuan basin,northern Tarim basin(Kucha depression),Xihu sag in East China Sea basin,Yingqiong basin and northern Chaidan basin as well as those in Sanhu area,northern and southern Junggar basin,the deeper part of Songliao basin,basins in deep water area of northern South China Sea,will still be the major hope for near and middle term gas reserve growth in China for the century.

Key words: distribution pattern of gas fields, large and giant gas field, coal-related gas, coal-and gas(oil)-bearing basin, China

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