Lithologic Reservoirs ›› 2012, Vol. 24 ›› Issue (5): 94-97.doi: 10.3969/j.issn.1673-8926.2012.05.017

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Application of simulated annealing static correction technology in the low S/N area

CUI Hongliang1, BAI Xuming1, YUAN Shenghui 1,2, CHENGZhanzhan1, GE Daiwei3, WANGXiaodong1   

  1. 1. Bureau of Geophysical Prospecting, CNPC, Renqiu 062552, China; 2. School of Geosciences, China University of Petroleum, Qingdao 266555, China; 3. School of Geosciences, Yangtze University, Wuhan 430100, China
  • Online:2012-10-20 Published:2012-10-20

Abstract:

When residual statics is small, using a linear method can solve the static correction problemin conventional seismic data processing. In the regions of complex near-surface condition and lowS/Nseismic data, there are still a lot of residual statics after conventional static correction. Traditional reflection wave residual static correction is easy to fall into local extreme, and “cycle jump” phenomenon appears. Fast simulated annealing static correction technique can solve large residual statics problem, and it is especially suitable for the regions of complex near-surface condition and lowS/Nseismic data.

Key words: the eighth member of Shihezi Formation, diagenesis, diagenetic sequence, Dingbian area, Ordos Basin

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