COMMON CONVERSION POINT GATHERING AND TIME-VARIANT STATIC CORRECTION

HE Bing-shou; ZHANG Hui-xing; PENG Su-ping

Marine Geology & Quaternary Geology > 2006 > 26(6): 139-144.

HE Bing-shou, ZHANG Hui-xing, PENG Su-ping. COMMON CONVERSION POINT GATHERING AND TIME-VARIANT STATIC CORRECTION[J]. Marine Geology & Quaternary Geology, 2006, 26(6): 139-144.

Citation:

HE Bing-shou, ZHANG Hui-xing, PENG Su-ping. COMMON CONVERSION POINT GATHERING AND TIME-VARIANT STATIC CORRECTION[J]. Marine Geology & Quaternary Geology, 2006, 26(6): 139-144.

Citation:

HE Bing-shou, ZHANG Hui-xing, PENG Su-ping. COMMON CONVERSION POINT GATHERING AND TIME-VARIANT STATIC CORRECTION[J]. Marine Geology & Quaternary Geology, 2006, 26(6): 139-144.

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COMMON CONVERSION POINT GATHERING AND TIME-VARIANT STATIC CORRECTION

1 Marine Geoscience College, Ocean University of China, Qingdao 266100, China;
2 China University of Mining and Technology, Beijing 100083, China

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Received Date: February 02, 2006
Revised Date: August 29, 2006

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Abstract

Abstract

When the velocity ratio between compressional wave and shear wave is fixed, the horizontal location of conversion point of each sample in a trace is different, so the traditional method of trace gathering can only gather the common conversion points(CCP) of a certain depth, which cannot guarantee that all the samples' conversion points are at the same location. In this paper,the authors present a new method for CCP binning, and the CCP gather obtained from this method is a really CCP gather in which the projection of all samples' conversion points are at the same location.Based on this method, a time-variant short-wavelength static correction method for converted waves is proposed and the real data processing results prove the method feasible and effective.
- seismic exploration,
- converted waves,
- common conversion point gather,
- static

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References (13)

References

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COMMON CONVERSION POINT GATHERING AND TIME-VARIANT STATIC CORRECTION