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PGS Sets Australian Seismic Acquisition Benchmark with the Ramform Hyperion

Source: 7/28/2020, Location: Not categorized

The 3D seismic data from Keraudren provides a marked improvement in data quality over targeted reservoir intervals discovered and appraised in the three Dorado wells drilled in 2018 and 2019.

The Keraudren 3D seismic survey was recently acquired by the Ramform Hyperion, one of four Titan-class Ramform vessels in the PGS fleet, for operator Santos and their Joint Venture partner Carnarvon Petroleum across exploration permits WA-437-P and WA-438-P in the Bedout Sub-basin, offshore Western Australia.

Ramform Titan-class Deploying the first-ever ‘negative offset’ source configuration in ‘wide source towing’ mode, the vessel configuration was designed to enhance the quality of the data over the four targeted reservoir intervals discovered and appraised in the three Dorado wells drilled in 2018 and 2019. According to Carnarvon, the Keraudren 3D data provides "a marked improvement" over the previous Capreolus 3D data, which the Joint Venture used to define the Dorado prospect that led to the significant Dorado-1 oil find in mid-2018.

A dense multisensor GeoStreamer spread ensured that the data efficiently recorded rich frequency bandwidth, and the availability of ultra-long source umbilicals meant that the sources could be safely towed above the GeoStreamer spread without necessitating an expensive dedicated source vessel.

The ability to tow the sources with much larger lateral separation was introduced by PGS a couple of years ago to improve near offset coverage for all streamers. Together with the novel negative offset source deployment, this method provided a data platform optimized for removing seismic multiples in processing, and providing high resolution shallow geological imaging in challenging data areas.

PGS Australia country manager Rick Irving believes the Titan-class Ramform platform can continue to unlock new reserves in Australia by delivering even more aggressive dimensions to survey designs.

Seismic survey News in Australia >>

India >>  9/15/2020 - Oil and Natural Gas Corporation (ONGC) in India has awarded Fugro a 3-year contract to provide integrated survey services for the fourth consecutive t...
United Kingdom >>  9/14/2020 - Historic seismic data which provide images below the seabed are to be made available by the Oil and Gas Authority (OGA) following a consultation into ...

France >>  9/10/2020 - OBN projects are taking an increasing market share over towed streamer surveys. Despite significantly higher costs of operation, OBN enable flexible l...
Norway >>  9/10/2020 - Ramform Tethys has begun a new project in the Barents Sea that uses the most advanced configuration ever towed by a seismic streamer vessel. ...

Angola >>  9/8/2020 - Ramform Sovereign has completed a large acquisition project offshore Angola using multisensor GeoStreamer technology. Operational and geological objec...
Morocco >>  9/7/2020 - Chariot Oil & Gas Limited has completed the reprocessing of 3D seismic data across the Lixus Offshore Licence ("Lixus"), Morocco, resulting in signifi...

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