地质学报2025,Vol.99Issue(12):3999-4018,20.DOI:10.19762/j.cnki.dizhixuebao.2025413
垂向交织叠加结构:中国克拉通盆地的重要特色
Vertically interweaving superimposed structures:Distinct features of cratonic basins in China
摘要
Abstract
The cratonic basins in China are multi-cycle superimposed basins entitled of the spatial-temporal combination of proto-type basins during the different geological periods.To explore the spatial superimposed combinations of the structural units of the proto-type basins(such as uplift,sag,and slope etc.)with the geological history is not only the crucial basis for recognizing the geological structure features of the basin,but also the key step for discussing the distribution of oil and gas accumulation.Based upon the new drilled deep-boreholes and the recent-acquired high-resolution reflective seismic data,the paper disclosed the vertical structural features and hydrocarbon plays of the cratonic basins in China.The vertical superimposition of the overlying and underlying different orientation structure of the cratonic basin in China is here called as the"vertical interweaving superimposed structure".It has nine basic types according to the superimposing style of the overlying unit over the underlying unit,that is,the six types in the interior such as,uplift over rift trough,sag over uplift,anticlinal belt over sag,sag over sag,as well as slope over sag,and the three types in the margin such as,rift belt over uplift,thrust belt over faulted-sag,and fold-and-thrust belt over passive continental margin.The geological framework controls on the three types of oil and gas accumulation models such as,the nearby sourced and lateral reservoir,the underlying sourced and overlying reservoir,and the source-reservoir by itself.The oil and gas migrated from the source kitchen crossing the different strata,during the different periods,into the large-scale accumulation zone or belt,which formed the orderly plays of the conventional-and-unconventional resources(including the shale oil and gas,and the coal-stone gas).A series of super-giant and giant oil and gas fields have been recently found in cratonic basins in China,e.g.Anyue,Penglai,Puguang,Yuanba,Jiaoshiba,Changning,Dabei-Keshen,Tahe-Lunnan,Shunbei-Fuman,Jingbian,Sulig,Hengshan,and Qingcheng gas or oil fileds.The vertical interweaving superimposed structures greatly improved the chance for oil and gas pool-formation.关键词
克拉通盆地/叠合盆地/垂向交织叠加结构/油气成藏模式/深层—超深层Key words
cratonic basin/superimposed basin/vertical interweaving superimposed structures/oil and gas pool-formation model/deep and ultra-deep strata引用本文复制引用
HE Dengfa,CHENG Changyu,JIA Chengzao,ZHAO Zhe,ZHAO Luzi,BAO Hongping,GAO Shanlin,LU Guo,ZHENG Na,YANG Zhikun..垂向交织叠加结构:中国克拉通盆地的重要特色[J].地质学报,2025,99(12):3999-4018,20.基金项目
本文为国家自然科学基金重点项目(编号42330810)和中国石油长庆油田分公司重大科技攻关项目(编号2024D1JC06)联合资助的成果. (编号42330810)