Prestack Seismic Data Reconstruction Using Weighted Parabolic Radon Transform

The weighted parabolic Radon transforms method (WPRT) for prestack seismic data reconstruction is proposed based on the parabolic assumption of seismic events in CMP gather after the partial NMO. Owing to introducing varying weight coefficients in WPRT, the proposed WPRT can simultaneously regulariz...

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Bibliographic Details
Published in:Chinese journal of geophysics 2007-05, Vol.50 (3), p.737-746
Main Authors: WANG, Wei‐Hong, PEI, Jiang‐Yun, ZHANG, Jian‐Feng
Format: Article
Language:English
Subjects:
Data regulation
Seismic data reconstruction
Weighted Parabolic Radon Transform (WPRT)
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Summary:The weighted parabolic Radon transforms method (WPRT) for prestack seismic data reconstruction is proposed based on the parabolic assumption of seismic events in CMP gather after the partial NMO. Owing to introducing varying weight coefficients in WPRT, the proposed WPRT can simultaneously regularize and reconstruct the irregular seismic data with a lot of missing traces, which means a very important improvement to the conventional parabolic Radon transform. The implementation of the proposed algorithm is presented for the complex irregular seismic data and the data with missing traces of near and medium offsets. The results of the theoretical model and field data demonstrate the effectiveness of the method.
ISSN:0898-9591
2326-0440
DOI:10.1002/cjg2.1088