Geco-Prakla completes 2-D seismic survey over Gabon ultra-deepwater

Apr 28, 1998 02:00 AM

Schlumberger Geco-Prakla have completed a 13,300-km 2D regional seismic survey over the ultra-deepwater blocks offshore Gabon. The area is of great interest following recent exploration successes throughout West Africa.
Geco-Prakla acquired the survey on behalf of Petrolin UK under special decree from the Ministry of Mines, Energy and Petroleum of the Republic of Gabon.
Acquisition began in November 1997 using "Geco My," equipped with full on-board processing capabilities. Final data have been delivered in record time in order to enable adequate interpretation and planning to be performed by oil companies prior to the licensing of these ultra-deepwater blocks.
During the project, processing parameter tests, quality control products and final data were transmitted via satellite from "Geco My" to the Geco-Prakla processing hub in Gatwick, UK.
Schlumberger Varibit(a) seismic data compression software enabled bulk transmission of data. Delivered in record time, the final results were loaded into the nearline seismic data management system in Gatwick, enabling rapid delivery to interested companies. The entire process took only 129 days from the first shot to completion of loading the final results into the data vault.
Following a successful Information Meeting held March 23 in Libreville, His Excellency Paul Toungui, Minister of Mines, Energy and Petroleum, thanked Geco-Prakla for their immensely successful efforts, at the same time extending the Round Closure by six months.
The extension was given in response to requests from oil companies requiring more time to fully assess all the available blocks on offer. A second information meeting is scheduled for London in May when the Gabonese will present final legal and fiscal details relating to the Ultra-deepwater Round.

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