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Jiao Yangquan, Zhou Haimin, Zhuang Xinguo, Liu Shaofeng, Yang Shengke, Ma Meiyuan. Fan Deltaic Depositional Systems and Their Relationship to Oil and Gas Accumulation[J]. Acta Sedimentologica Sinica, 1998, 16(1): 70-75.
Citation: Jiao Yangquan, Zhou Haimin, Zhuang Xinguo, Liu Shaofeng, Yang Shengke, Ma Meiyuan. Fan Deltaic Depositional Systems and Their Relationship to Oil and Gas Accumulation[J]. Acta Sedimentologica Sinica, 1998, 16(1): 70-75.

Fan Deltaic Depositional Systems and Their Relationship to Oil and Gas Accumulation

  • Received Date: 1996-12-24
  • Rev Recd Date: 1997-03-01
  • Publish Date: 1998-03-10
  • Fan deltaic depositional systems are well developed in rift basins,and usually consist of fan delta plain as-sociation, fan delta-front association and prodelta association. Nine genetic facies can be distinguished in fandeltaic depositional systems. Controlled by sediment flux rate, available accommodation expansion rate andbasin-bounded fault,fan deltaic depositional system style can be generally divided into five types ,i. e. degrad-ing,aggrading,prograding,steep slope and slow slope fan deltas. The braided distributary channel sand-bodiesdeveloped in fan delta plains and their related subaqueous distributary mouth bar and flood gravity currentsand-bodies deposited in fan delta-front zones are high quality reservoirs. Oil exploration results have shownthat principal oil reservoirs are distributed dominantly in fan delta-front zones and interdistributary bays,andsome reservoirs are developed in fan delta plain areas. Influenced by burial-depth and diagenesis,principal oil-bearing beds in different areas and different horizons are different because of the various relationships betweenphysical properties and lithologies. Therefore,the relationship of depositional system distribution to oil and gasaccumulation can be applied to search for residual oil-bearing beds and to predict prospect areas.
  • [1] 1 Nemec W,Steel R J. What is a fan delta and how do we recognize it7In,Nemec W,Steel R J,eds, Fan Deltas,Sedimentology and Tec-tonic Settings. Blackie and Son. 1988. 3-13

    2 李思田主编.断陷盆地分析与煤聚集规律.北京:地质出版社,1988. 60-84

    3 李思田主编.含能源盆地沉积体系一中国内陆和近海主要沉积体系类型的典型分析.武汉:中国地质大学出版社,1996. 97-106

    4 卢宗盛,王其胜,焦养泉等.邵尔多斯盆地东北部中侏罗世延安组双壳类古生态组合.地球科学,1992.17(3),353-361

    5 焦养泉,周海民,刘少峰等.断陷盆地多层次幕式裂陷作用与沉积充填响应—以南堡老第三纪断陷盆地为例.地球科学,1996,21(6):633-636
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  • Received:  1996-12-24
  • Revised:  1997-03-01
  • Published:  1998-03-10

Fan Deltaic Depositional Systems and Their Relationship to Oil and Gas Accumulation

Abstract: Fan deltaic depositional systems are well developed in rift basins,and usually consist of fan delta plain as-sociation, fan delta-front association and prodelta association. Nine genetic facies can be distinguished in fandeltaic depositional systems. Controlled by sediment flux rate, available accommodation expansion rate andbasin-bounded fault,fan deltaic depositional system style can be generally divided into five types ,i. e. degrad-ing,aggrading,prograding,steep slope and slow slope fan deltas. The braided distributary channel sand-bodiesdeveloped in fan delta plains and their related subaqueous distributary mouth bar and flood gravity currentsand-bodies deposited in fan delta-front zones are high quality reservoirs. Oil exploration results have shownthat principal oil reservoirs are distributed dominantly in fan delta-front zones and interdistributary bays,andsome reservoirs are developed in fan delta plain areas. Influenced by burial-depth and diagenesis,principal oil-bearing beds in different areas and different horizons are different because of the various relationships betweenphysical properties and lithologies. Therefore,the relationship of depositional system distribution to oil and gasaccumulation can be applied to search for residual oil-bearing beds and to predict prospect areas.

Jiao Yangquan, Zhou Haimin, Zhuang Xinguo, Liu Shaofeng, Yang Shengke, Ma Meiyuan. Fan Deltaic Depositional Systems and Their Relationship to Oil and Gas Accumulation[J]. Acta Sedimentologica Sinica, 1998, 16(1): 70-75.
Citation: Jiao Yangquan, Zhou Haimin, Zhuang Xinguo, Liu Shaofeng, Yang Shengke, Ma Meiyuan. Fan Deltaic Depositional Systems and Their Relationship to Oil and Gas Accumulation[J]. Acta Sedimentologica Sinica, 1998, 16(1): 70-75.
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