Polarcus Ltd. says the beginning of a major new RightBAND multi-client project over the Roebuck Basin, offshore North West Shelf, Australia, is underway.
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Image from Polarcus. |
The Capreolus 3D survey will comprise approximately 15,000sq km and is designed to provide exploration companies with an extensive basin-wide high quality broadband 3D seismic dataset over and adjacent to the recent Phoenix South oil discovery.
The discovery has the potential to open up a major new oil province within one of the few remaining underexplored parts of the North West Shelf. The Capreolus 3D survey is specifically designed in conjunction with the project sponsors to enable companies to explore the petroleum potential within the primary Triassic and Jurassic reservoirs.
The project will begin 4Q 2014 using two Polarcus A-Class 3D seismic vessels towing super wide 12m by 120m long offset receiver arrays. The acquisition phase will take about four months, optimally placing the vessels for the previously announced two-vessel program for a major energy company offshore Sakhalin in 2Q 2015.
Results from the Capreolus 3D survey will be processed through a prestack depth migration routine by DownUnder GeoSolutions in Perth, Australia, with final data products expected to be delivered within 2Q 2016.
In August, Apache encountered oil pay at the Phoenix South-1 well located in the Canning basin. Preliminary estimates show as much as 300MMbbl in place. At least four discrete oil columns ranging in thickness between 85m and 151m in the Triassic Lower Keraudren formation were detected with wireline and formation pressure tools, within an overall sand-rich section 4160m to 4500m below sea level.
The Pheonix-1 South exploration well was spudded in late May 2014 using the Atwood Eagle semisubmersible drilling rig. The spudding of the well was delayed and pushed back to 2Q 2014 by Apache due to other projects incorporated into Apache’s operational timetable.
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