The application of matching pursuit spectral blueing in post-stack seismic frequency enhancement
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View abstract on PubMed
Summary
This summary is machine-generated.This study introduces a novel frequency spreading technique for seismic data, enhancing high-frequency components. The method improves seismic resolution and data quality compared to traditional spectral blueing algorithms.
Area Of Science
- Geophysics
- Seismic Data Processing
Background
- Traditional spectral blueing methods for seismic frequency expansion suffer from singularity issues, leading to performance degradation.
- Existing methods struggle to effectively enhance high-frequency components in post-stack seismic data.
Purpose Of The Study
- To propose a new frequency spreading technique for post-stack seismic data using matching pursuit (MP) and spectral blueing.
- To address the singularity problem in traditional spectral blueing operators and improve seismic frequency expansion.
Main Methods
- Utilizing matching pursuit (MP) for time-frequency analysis to extract stable, high-resolution seismic signals.
- Dividing post-stack seismic data into frequency-division seismic bodies and applying a weighting approach for optimized spectral blueing operators.
- Convolving the optimized spectral blueing operator with seismic reflection coefficients to achieve high-resolution seismic data.
Main Results
- The proposed frequency spreading technique significantly improves high-frequency component information in post-stack seismic data.
- Demonstrated superior performance over traditional spectral blueing algorithms, resulting in enhanced seismic event presence and resolution.
- Verified the practicability and rationality of the frequency-extracted seismic data through attribute extraction, well-seismic calibration, and inversion.
Conclusions
- The novel frequency spreading technique effectively overcomes the limitations of traditional spectral blueing methods.
- The method provides a robust solution for enhancing high-frequency seismic data, leading to improved geological interpretation.
- The enhanced seismic data quality is validated through subsequent geophysical analyses.
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