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Abstract

The success of hydrocarbon exploration, field development and reservoir surveillance depends significantly on effective reservoir imaging, characterization and detection of seismic signal. Therefore, it is very important to acquire a high quality seismic data to eliminate noise, attenuate unwanted water-bottom (or other type) multiples and increase the signal-to-noise ratio. With the advance and development of seafloor sensor (4-components Ocean Bottom Node), the chance to achieve this goal becomes significantly higher. The OBN acquisition technology is particularly useful for reservoir surveillance in a very congested oil field to monitor oil production, better well placement, identify by-passed reserves, minimize unnecessary wells, and help mitigate risk of early premature field decline. The cable-less node allows full-azimuth seismic surveys with continuous coverage and recording for P-wave and converted PS-wave even in highly obstructed areas. The high resolution USBL + inertial positioning system allows node deployment to well within +/- 5 meter limit. The combination of new acquisition and processing technologies (e.g. shot record migration, mirror imaging and Reverse Time Migration) provides step changes in data quality, and advancing seismic imaging technology in complex and challenging deepwater areas.

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/content/papers/10.3997/2214-4609.20130846
2013-06-10
2020-06-03
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20130846
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