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Application of Near-Surface Q Compensation Technology in TZ Area of Western ChinaNormal access

Authors: J. Wu, Q. Su, W. Yang, Y. Ling, S. Qie, J. Wang, S. Zang and S. Hu
Event name: 81st EAGE Conference and Exhibition 2019
Session: Poster: Near-Surface Methods and Applications
Publication date: 03 June 2019
DOI: 10.3997/2214-4609.201901457
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 782.75Kb )
Price: € 20

Summary:
The TZ area in western China is a desert topography with huge mobile sand dunes on the surface. The thick and loose sand layer absorbs most of the high-frequency energy of seismic waves, and Q absorption is very strong, which seriously affects the quality of seismic imaging. In general, Q compensation technology is used to solve the high frequency absorption problem in the middle and deep layers. This paper attempts to introduce this technology to compensate for the absorption of near-surface and to develop a feasible treatment plan. The practical application shows that the Q compensation effect is obvious and the method is effective.


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