The Netherlands Karel Doormanweg 25, 3115 JD, Schiedam Telephone +31 (0)10 232 0800P.O. Box 687, 3100 AR Schiedam Telefax +31 (0)10 232 0801

www.GustoMSC.com

GustoMSC Offloading Systems

Description

The GustoMSC offloading systems have been developed to enhance the safety of offshore operations from FSOs and FPSOs. The systems consist of an offloading hose reel, a hawser reel and quick release hook. Between off-loadings, the hose will be stored onto the hose reel and the hawser on the hawser winch, safe-guarding the hose and hawser against damage and increasing their operational lifetime.

The GustoMSC offloading systems are designed to minimize the space required onboard of an FPSO/FSO to store the hose and hawser equipment. The selection of special flexible hoses enables the use of a small diameter hose reel and double layer storage of the hoses on the hose reel, thereby reducing the overall width and height. A helideck can be placed over the hose reel. The mooring hawser is stored on a winch on top of the quick release hook saving even more space on often congested FPSO/FSOs deck space.

Offloading station layoutThe system comprises the following main items: Offloadinghosereelc/woffloadinghose Offloadinghawserwinchc/whawserandpickupline QuickReleaseHook Pneumatichoistfortheemergencyoffloadinghose HydraulicPowerUnitforoperatingtheoffloadinghosereel,QR Hookandhawserwinch

Hydraulic system drive and control systemBoth the hose and hawser reel are driven by means of hydraulic drive units with integrated hydraulically operated fail safe parking brake.Hydraulicsupplyisgeneratedbyapowerunit,drivenbyelectric power from the FPSO distribution board. Control of the drive is through a local control console.

The hydraulic power unit is usually designed for under deck mounting.TheHPUsuppliesoiltobothhoseandhawserreelsandenabling smart and smooth operation of the reels. The hydraulic system operates by means of proportional hydraulic valves and allows operators to vary the speed of the reels and/or the spooling device. These safeguard the systems lifetime.

The offloading hose reel is provided with a locking device which consists of a hydraulically operated pin. The two positions of the locking pin, corresponding to drum locked or drum unlocked, will be monitored by proximity switches. The locking pin bracket may also be used to measure the hose force on the reel when the hose has been reeled out and the hose reel is locked. In case of failureofoneofthedriveunitsorfailureoftheHPU,thehosecanstill be reeled back on the drum. A steel wire rope is stored in a gutter on the outer diameter of the drum. By pulling this steel wire off by a winch, the hose is reeled back on the drum.

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Spooling deviceAspoolingdevicewillbemountedontheHoseReelSupportStructure. This device will assist in smooth spooling-on of the hose onto the drum. One side of the chute can open for entering the hose. The chute is connected to a support structure, and guidedbyarailconnectedtotheHoseReelSupportStructure.

ReferencesFPSOCidadedeParaty 2011FPSOP-57 2010FPSOKikeh 2007FPSOCapixaba 2006FPSOMarlimSul 2003FSOOkha 2001

Data presented in this product sheet is for information only and subject to change

without notice.

Mooring of export tanker and offloading of FPSO

The mooring procedure consists of 7 steps (see Mooring pattern). The whole procedure is executed without the need for tugboats.The export tanker approaches the FPSO to such a distance that a messenger rope can be launched (by rope gun) from shuttle tankertotheFPSO,step1.Instep2theHawserispulledtotheexporttankerandfastenedat the bow.Viastep3,4and5itispossibletopullthemessengerropeofthehosetothebowoftheexporttanker.Step6and7showthecompletion of the mooring operation.

After the offloading of the FPSO the floating hose is reeled back onto the hose reel drum. The same applies to the mooring hawser that is also reeled back onto the hawser reel drum. The equipment is now ready for the next mooring & offloading operation.

EXPORT TANKER

FPSO MARLIM SUL

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5

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Hose reel bridle

Messenger rope from export tanker

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