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| The static correction method of wave impedance layer and its application |
| WANG Hai-Li1, WANG Yong-Sheng2, WANG Biao1, MA Li-Xing1, ZHANG Xian-Jian1 |
1.Qinghai Geophysical Prospecting Department of BGP,CNPC,Dunhuang 736202,China;
2.Qinghai Oilfield Company,CNPC,Dunhuang 736202,China |
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Abstract Yingxiongling area of Qaidam Basin has a strong wave impedance interface,which serves as the earthquake model inversion symbol layer to calculate low and high frequency static correction components.The method makes full use of the depth information,refraction information and reflection information of the interface of shallow strong wave impedance,and takes into account the low and high frequency.Large scale application of this method in Yingxiongling area improved SNR of seismic section and complex structure imaging precision,which indicates that the static correction is an effective method to solve extremely low SNR complex static correction of Yingxiongling area.
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Received: 24 May 2017
Published: 03 April 2018
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