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Vibroseis acquisition on the North Slope of Alaska has been the seismic survey method of choice for many decades. However, in order to obtain the denser sampling and higher resolution required to image shallower pay zones, combined with the limited operational season, there was a need for higher productivity techniques such as those pioneered in the EAME. In 2012 CGG acquired such a survey and also extended the bandwidth at the low frequency end. This paper describes the techniques used and illustrates the resulting benefits for interpretation.
Mike Hall, P. Geoph, Manager of the Calgary Technology Centre for CGG received his master’s in electronic engineering from the University of Calgary in 1977 specializing in sign bit Vibroseis. Mike has over 40 years of experience covering seismic acquisition, processing, interpretative processing and seismic survey design. His main interests are in reservoir characterization, seismic imaging and development geophysics; using 3D seismic in conjunction with other disciplines to achieve interpretation objectives. He has extensive experience in interpretive processing and a strong interest in the use of time lapse (4D) and multi-component surveys plus accurately imaging the subsurface in depth. Mike’s experience covers land, transition zone, OBC and marine seismic throughout the world. He is keen on ensuring integration between acquisition, processing and interpretation while incorporating external information for calibration and control. Mike was Chairman of the ProMAX Users Group, Geophysical Adviser to the UK government R&D LINK funding program and is currently Chairman of the CSEG DoodleTrain Committee. He has provided geophysical training for the OETB, presented courses on 3D Survey Design and on the QC of 3D seismic processing. Mike is a member of the SEG, AAPG, CSEG, EAGE and APEGGA.