西南石油大学学报(自然科学版) ›› 2008, Vol. 29 ›› Issue (4): 64-68.DOI: 10.3863/j.issn.1000-2634.2008.04.016

• 地质勘探 • Previous Articles     Next Articles

THE APPLICATION OF THE PROCESSING METHOD OF 3D-3C SEISMIC DATA IN SLG PROVINCE

ZHANG Nian-chun1,2 WANG Yu-chao2,3 WANG Jian-hua2

  

  1. 1.Research Institute of Petroleun Geology,Chengdu University of Technology,Chengdu Sichuan 610059,China;2.Exploration & Development Research Institute（Northwest）,CNPC，Lanzhou Gansu 730020,China;3.School of Geophysics and Informatiom Technology,China University of Geosciences,Beijing 100083,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2008-08-20 Published:2008-08-20

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Abstract:

Converted shear wave （P-SV） has lower velocity than P wave and its propagation is not influenced by pore fluid.The propagation regularity of converted wave is very different from that of P wave and this difference can be used to effectively identify oilgas.The reservoirs are mainly sandstone bodies of deltaic plain distribution channel in Ordos Basin and its distribution changes rapidly with low pore and low permeability laterally.Heterogeneity of reservoir physical property is apparent.In processing of real 3D converted wave seismic data in SLG gas province，researches are concluded in static sorting of common converted point （CCP） gathering，velocity analysis，NMO，etc..The 3C-3D seismic data processing flow chart is finally built and it is suggested that this processing flow chart may be widely used in converted shear wave seismic data processing.

Key words: converted shear wave, 3D-3C seismic data, SLG gas province, CCP（common converted point）, converted wave static correlation 

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