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A NMO Method Adapted to Deep Seismic Reflection in Orogenic Belt

WANG Hai-yan1,GAO Rui1,XUE Ai-min2,ZHAO Yu-lian3,WANG Li-li4   

  1. 1.Institute of Geology,Chinese Academy of Geological Sciences,Beijing 100037,China；2.Beijing Petrosound Geoservies Ltd，Beijing 100081,China；3.PetroChina Exploration & Development Research Institute(Northwest)，Lanzhou 730020,China；4.Jilin Oilfield Company，PetroChina Exploration & Development Research Institute,Songyuan， Jilin 138000, China
  • Received:2005-11-22 Revised:1900-01-01 Online:2006-07-26 Published:2006-07-26
  • Contact: WANG Hai-yan

Abstract: The authors introduce many NMO methods and analyse their advantages and disadvantages in allusion to disadvantages. According to the elevation NMO method that Liu brought forward, the authors actualize a NMO method based on surface, which considers synchronously rugged topography and varied velocity near surface. At the same time processing theoretical and practical data，the authors certifis the NMO method based on surface is available and effective in data processing，and obtain better effect in processing deep seismic reflection data of orogenic belts.

Key words: deep seismic reflection, orogenic belt, undulating surface, NMO based on surface

CLC Number: 

  • P631.4
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