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PGS announces new survey in Gulf of Mexico

OSLO, Norway -- Petroleum Geo-Services (PGS) has announced the TRITON GeoStreamer Full Azimuth survey, a new solution for complex imaging problems in the deepwater Gulf of Mexico. 

This survey will cover approximately 350 OCS blocks (8,100 sq km) in the Garden Banks and Keathley Canyon areas of the Gulf of Mexico.  Within the limits of this survey are BP' s sub-salt Tiber discovery in Keathley Canyon 102 and several significant wildcat wells, including BP' s Gila well in Keathley Canyon 93 and Chevron' s Oceanographer well in Garden Banks 973.  The new survey will image the extent of the Wilcox play to the north of Tiber and to the west of Cobalt' s North Platte discovery in Garden Banks 959.

The TRITON survey will utilize a total of five vessels in the Orion configuration to acquire high fold, long-offset, dual-sensor full azimuth (FAZ) data.  The Orion configuration combines two high capacity streamer vessels, each towing ten 8-km GeoStreamers, in combination with three independent source vessels in a simultaneous long-offset (SLO) configuration, to achieve an effective far offsets in excess of 16 km. 

Acquisition modeling indicates that this design is essential for illuminating the deep sub-salt Wilcox targets in Garden Banks and Keathley Canyon areas, which historically have been the most difficult imaging areas in the Gulf of Mexico.  PGS' GeoStreamer dual-sensor technology provides enhanced signal to noise and low frequency response for all offsets.  

The imaging workflow will include velocity model building leveraging the full suite of PGS model building tools, including the company' s proprietary hyperTomo technology. PGS will leverage TTI RTM with 3D angle gather output, allowing for image optimization and pre-stack data access throughout the model building sequence and for final image optimization.

11/14/2013

 

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