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Application of High-density and Wide-azimuth Acquisition Technologies to Low SNR Region in Central AfricaNormal access

Authors: T. Ma, L.Z. Ren, Z.J. Lv, X.F. Zou, K.H. Li, Z.X. Han, K.P. Hou and G.M. Bi
Event name: 77th EAGE Conference and Exhibition 2015
Session: Seismic Survey Design and Acquisition Hardware
Publication date: 01 June 2015
DOI: 10.3997/2214-4609.201413126
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 3.46Mb )
Price: € 20

Summary:
High-density and wide-azimuth acquisition technologies are presently receiving much attention for their innovative use in land exploration. Through the analysis of data collected in Central Africa using applied high-density and wide-azimuth technologies, we drew the following conclusions: high-density acquisition technology can achieve a sufficient signal-to-noise ratio, which is favorable for noise suppression during data processing; high-density technology can accommodate a sufficient amount of sampling in order to record the desired signal, which is favorable for protecting the high-frequency signal and for improving the data resolution; and high-density sampling can improve the imaging results in steep-dip structures. Additionally, high-density and wide-azimuth technologies can improve the accuracy of velocity analyses, which is conducive to producing accurate velocity fields and imaging results.


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