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StatoilHydro completes, flows 10-km horizontal Gulltopp well

05/12/2008
StatoilHydro drilled and completed a long horizontal well off the Gullfaks-A platform, increasing the possibility of platform drilling to remote prospects. The Gulltopp well began flowing oil from 9,910 m TD on Apr. 8.In early 2004, Statoil ASA announced that it would deepen an existing producing well from the Gullfaks A platform to reach the Gulltopp accumulation 10 km away (OGJ, Feb. 9, 2004, p. 8).Last month, StatoilHydro characterized it as the longest producing well in the world drilled from an offshore platform.Gulltopp has recoverable reserves of 4 million std. cu m of oil and 500 million std. cu m of gas and the company expects a production plateau of 16,000 bo/d.1The reservoir pr...
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