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News // Off-shore drilling

Chevron spells out NWS seismic plans

13 December 2011 , 10:10Neftegaz.RU1844

CHEVRON is planning to shoot both 2D and 3D seismic over two permits recently awarded in the Barrow sub-basin of the Northern Carnarvon Basin early next year.

The Osprey 3D and 2D survey will be recorded in WA-455-P and WA-456-P, which were awarded to Chevron in July.

The supermajor also has plans to record the Dionysus 2D survey in production licence WA-37-L and retention leases WA-14-6, WA-15-R and WA-22-R.

In its environmental submission, Chevron said it would acquire about 270 square kilometres of 3D data in WA-455-P and WA-456-P along with an optional 20km 2D seismic line. The Dionysus survey will consist of a 50km 2D seismic line.


The survey will be carried out by Petroleum Geo-Services in early February and will take nine days to complete.

Chevron also said the Osprey survey would be part of permit obligations while the Dionysus survey would improve data resolution and geological understanding of the region.

Chevron picked up WA-455-P and WA-456-P in July after proposing a guaranteed work program of 600km of 2D surveying, one exploration well and geotechnical studies worth about $A6.5 million for WA-455-P, and the drilling of two exploration wells and geotechnical studies worth about $8.5 million in WA-456-P.

Secondary work programs for the two permits include an exploration well and geotechnical studies worth $4.5 million each. 

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