Seismic Sedimentology for the Deposition Analysis in Shannan Region

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  • Northwest Branch,Research Institute of Petroleum Exploration and Development,PetroChina,Lanzhou 730020,China

Received date: 2014-04-16

  Revised date: 2014-08-22

  Online published: 2015-04-10

Abstract

Since the thin sand of SQ7 in Shannan region has lateral change rapidly,and the sedimentary sand distribution is uncertain,so conventional analytical methods and reservoir prediction technology do not meet the requirements of oil and gas exploration.Based on the theory and the research method of seismic sedimentology,combined with lithology seismic data by 90°-phase regulation,this study investigates the sand plan of SQ7 taking use of seismic sedimentology technology,such as stratigraphic slices.By analyzing the seismic attribute slices and lithology seismic volume,the results revealed the evolution pattern of braided river delta sedimentary of southern provenance system and the distribution of sedimentary microfacies in SQ7,and finely described the sand distribution.It provided a seismic-sedimentary basis for oil and gas exploration.

Cite this article

HUANG Yun-feng,HAN Xiao-feng,WEI Li-hua,HUANG Xiao-peng,ZHANG Li-ping . Seismic Sedimentology for the Deposition Analysis in Shannan Region[J]. Natural Gas Geoscience, 2015 , 26(4) : 706 -710 . DOI: 10.11764/j.issn.1672-1926.2015.04.0706

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