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Shell completes Bonga deepwater 4D survey

09/22/2008
Royal Dutch Shell PLC’s Nigerian subsidiary completed 4D seismic acquisition over deepwater Bonga oil and gas field off Nigeria in an effort to maximize ultimate recovery from the field.The effort, which the company described as the first 4D survey in Nigeria’s deepwater region, started with a baseline 3D seismic survey in 2000. That information guided the siting and drilling of early wells and other relevant activities.Shell started production from the field in more than 1,000 m of water in late 2005 and was to quickly ramp up output to 225,000 b/d of 30° gravity oil and 150 MMcfd of gas (OGJ, Dec. 12, 2005, Newsletter). The field, now with 16 subsea oil producing and wat...
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