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Application of Adaptive Time-frequency Distribution for Reservoir Prediction: A Case Study of the VSP in Tarim Basin, ChinaNormal access

Authors: Z. Cai, G. Yu, Q. Zhang, Y. Li and C. Wang
Event name: Fourth EAGE Borehole Geophysics Workshop
Session: Poster Session
Publication date: 19 November 2017
DOI: 10.3997/2214-4609.201702499
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 1.84Mb )
Price: € 20

As one of several time-frequency analysis methods for VSP data, W-V distribution has widely been used and provides better time-frequency concentration and reliable distribution edges, but s seriously impacted by the cross-term interference. An adaptive W-V distribution method is proposed to suppress the cross-term interference of VSP data based on spectrum decomposition W-V distribution. We apply the method to the field VSP data of Tarim Basin and the adaptive W-V distribution result are significantly related to oil-gas characteristics.

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