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Industrial 2D and 3D Ultra High Resolution Seismic (UHRS) Marine Surveying
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 3rd Applied Shallow Marine Geophysics Conference, Sep 2018, Volume 2018, p.1 - 5
Abstract
Summary
Industrial 2D and 3D Ultra High Resolution Seismic (UHRS) marine surveying involves the acquisition of increasingly larger volumes of seismic data (∼ 500 Gb /day) at very high shot rates of up to 5 Hz ( Monrigal et al, 2017 ). Near continuous acquisition at such high shot rates, i.e. millions of traces per hour, present serious Quality Control (QC) and Quality Assurance (QA) challenges. This cannot be overstated, specially given the traditionally weak signal to noise rations of UHRS data (when compared with high resolution or exploration seismics) and the necessity of reliable signal quality to adequately resolve source and receiver heave, critical to successful data processing ( Wardell et al, 2002 ; Duarte et al, 2017 ). Furthermore, the desired broadband imaging requires the ability to continuously monitor the cable slant and its effect on the recorded frequency spectrum ( Soubara et al, 2011 ; Sablon et al; 2012 , Reilly, 2016 ).
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