Acquisition Complete on GeoStreamer X Viking Graben 2020
PGS has completed second successful GeoStreamer X seismic survey in the Viking Graben, on time and covering all targets. Fast track data will be ready in Q4 and final PSDM results will be available Q2 2021.
The GeoStreamer X Viking Graben 2020 extension project once again applied PGS’ latest technology innovations for advanced offset- and azimuth-rich data. The project builds on the successful 2019 GeoStreamer X pilot project in the same area.
“The Ramform Vanguard managed its dense streamer spread in combination with record-wide sources, acquiring a survey that will deliver a dataset of excellent quality, with high resolution, optimal near-offset distribution for shallow imaging, improved demultiple, and AVO. The Norwegian exploration industry needs improved data quality in this area, to address a number of challenges. PGS has addressed this with a novel and efficient multi-azimuth towed-streamer solution and bespoke imaging workflow,” says Gunhild Myhr, VP New Ventures at PGS.
GeoStreamer X solves known illumination challenges on the Viking Graben associated with sand injectites, such as injectites cemented with anomalously high velocities (so-called ‘v-brights’), and injectites with reservoir potential that definitely require better illumination.
On this year's Viking Graben survey the ultra-near offsets were achieved with record wide-tow sources, with 250 m between outer sources. This efficient solution is the widest ever towed from a single vessel.
The dense streamer spread included several long streamer tails that will provide the needed offset for optimal FWI at depth. Early-out data will be ready in Q4 and final depth imaging data will be available Q2 2021.
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