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Optimal Determination of Marine Seismic Data Processing Parameter for Domi-Sediment Basin  

Cheong, Snons (Petroleum and Marine Resources Division, Korea Institute of Geoscience and Mineral Resources (KIGAM))
Kim, Won-Sik (Petroleum and Marine Resources Division, Korea Institute of Geoscience and Mineral Resources (KIGAM))
Koo, Nam-Hyung (Petroleum and Marine Resources Division, Korea Institute of Geoscience and Mineral Resources (KIGAM))
Yoo, Dong-Geun (Petroleum and Marine Resources Division, Korea Institute of Geoscience and Mineral Resources (KIGAM))
Lee, Ho-Young (Petroleum and Marine Resources Division, Korea Institute of Geoscience and Mineral Resources (KIGAM))
Shin, Won-Chul (Petroleum and Marine Resources Division, Korea Institute of Geoscience and Mineral Resources (KIGAM))
Park, Keun-Pil (Petroleum and Marine Resources Division, Korea Institute of Geoscience and Mineral Resources (KIGAM))
Publication Information
Geophysics and Geophysical Exploration / v.11, no.4, 2008 , pp. 279-285 More about this Journal
Abstract
Korea Institute of Geoscience & Mineral Resources (KIGAM) carried out 2 dimensional multi-channel seismic surveys for Domi-Basin of east-southern part of Jeju Island, South Sea, Korea in 2007. The purpose of this survey is to investigate the structure of acoustic basement and the potential of energy resources in the Korean shelf. It is essential to produce fine stack and migration section to understand the structure of basement. However a basement can not be clearly defined where multiples exist between sea surface and seafloor. This study aimed at designing the optimal data processing parameter, especially to eliminate the peg-leg multiples. Main data processing procedure is composed of minimum phase predictive deconvolution, velocity analysis and Radon filter. We tested the efficiency of processing parameter from stack sections of each step. Our results confirmed that processing parameters are suitable for the seismic data of Domi-Basin.
Keywords
Domi-Basin; Acoustic Basement; Seismic Data Processing; Stack Section; Peg-leg Multiples;
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