Offshore staff
OSLO, Norway – PGS has completed the second GeoStreamer X seismic survey in the Viking Graben.
The GeoStreamer X Viking Graben 2020 extension project builds on the 2019 GeoStreamer X pilot project in the same area.
Gunhild Myhr, VP New Ventures at PGS, said: “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 company said 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 require better illumination.
On this year’s Viking Graben survey the ultra-near offsets were achieved with a record of 250 m (620 ft) between outer sources. This solution is the widest ever towed from one vessel, the company claimed.
The dense streamer spread included several long streamer tails that will provide the needed offset for optimal FWI at depth.
Fasttrack data is expected to be ready in 4Q and final depth imaging data should be available in 2Q 2021.
07/13/2020
