Method of supplying oil from a floating production structure...

Details Method of supplying oil from a floating production structure... Method of supplying oil from a floating production structure...

2004-11-16

2010-02-23

Avila, Stephen (Department: 3617)

Buoys, rafts, and aquatic devices

Buoy

For mooring a vessel

Reexamination Certificate

active

07666044

ABSTRACT:
Method of supplying oil from a first floating structure to an offloading structure, includes providing a flexible duct extending between the two structures at a water depth of between 50 m and 500 m, the duct including a flexible elastomeric material and having an internal diameter of at least 600 mm and a length of between 1500 and 3000 m,providing at least one pump at the first structure and pumping the oil through the duct at a pressure between 5 bar and at a flow rate between 1000 and 50,000 m3/hr,providing a single flexible duct, andproviding a wall thickness of the duct such that at water temperatures between 2° C. and 20° C., the oil has at the first structure an inlet temperature Tinand at the second structure an outlet temperature T0that Tin-T0is smaller that or equal to 15° C., preferably smaller than 5° C.

REFERENCES:
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patent: 4315408 (1982-02-01), Karl
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patent: 4590971 (1986-05-01), Webster et al.
patent: 6394154 (2002-05-01), Pollack
patent: 6397895 (2002-06-01), Lively
patent: 6932121 (2005-08-01), Shivers, III
patent: 6976443 (2005-12-01), Oma et al.
patent: WO 02/16726 (2002-02-01), None
patent: WO 02/44607 (2002-06-01), None

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