Lithologic Reservoirs ›› 2007, Vol. 19 ›› Issue (2): 35-40.doi: 10.3969/j.issn.1673-8926.2007.02.006

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Core and lithofacies analysis and architectural elements of Fuyang Formation in Gaotaizi area,Songliao Basin

DU Haifeng,YU Xinghe   

  1. College of Energy Resources,China University of Geosciences,Beijing 100083,China
  • Online:2007-06-15 Published:2007-06-15

Abstract:

Fuyang Formation in Gaotaizi area,Songliao Basin is typical shallow water continental delta deposits. These deposits are mainly composed of delta plain distributary channel and delta front subsea distributary channel,and similar to river deposit. Based on the study on the target layer by Miall′s structural element analysis, thirteen types of basic lithofacies were identified, depositional interface from 1st to 5th order were identified in the core deposit, and seven kinds of architectural elements with genetic value were divided,including distributary channel, downcurrent accretion bed form, lateral accretion deposit, single lateral depositional bed, laminated sand sheet, sand bed form and overbank fine sediment. These elements provide evidence for the sedimentary study on Fuyang Formation.

Key words: time-frequency analysis, S-transform, generalized S-transform, window function

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