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FPSO

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by

Mahmood Esyed

on 6 December 2012

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Transcript of FPSO

FPSO FPSO definition FPSO General Arrangements and components FPSO Characteristics Mooring system and FPSO Station Keeping Key Considerations Advantages Disadvantages main advantage is the ability to operate without the need for a specific export infrastructure. Crude can be exported by shuttle tanker. Gas however, must either be flared or exported by pipeline • Sensitive to motions
• No dry trees.
• Oil field use only (no advantage for gas field)
• Potentially high cost of well work over
• High turret/fluid swivel cost potential. floating production, storage and offloading Amr Mohamed

Mohmed Fathi -What is the FPSO..? -Purpose of designing FPSO -The first oil FPSO was the Shell Castell on , built in Spain in 1977. FPSO piranema Permanently moored, can be disconnected from its mooring to face weather conditions

FPSO economical advantages.

FPSO propulsion system.

FPSO can still 10-20 years without drydocking. free to weathervane (rotate through an angle of 270°) around the turret under the influence of wind, waves and currents Air gap protection. FPSO mooring system and turret Oil spills in the late 1990s the Texaco Captain FPSO spilled approximately 3,900 barrels of oil due to human error.

FPSO, FSO, FSU, FPS and recently FDPSO

Floating Drilling Production Storage and Offloading vessel, was developed in 2009 for Murphy Oil's Azurite field offshore Republic of Congo. The difference between FPSO and FSO units - A FPSO receive the fluid from the well at well-head pressure (high), temperature (hot) and composition (acids, sand, water, etc.).

- A FSO receive a on-spec processed export crude at low pressure and lower temperature.

- The flow diagram is a single line. There must be a swivel system which is a very expensive, high-tech issue in a FPSO and much simpler on a FSO loading system were the swivel can stay on the seabed. - A FSO has a loading manifold typically in the bow connected with the midship manifold typical of tankers.

- A FPSO has a swivel turret in the ship were the mooring system is also connected.

- FPSO and FSO can be considered as a similar concept with respect to motions. The main difference FPSO is directly connected with the oil drilling FSO is only concerned with storage FPSO higher
CAPEX FSO lower
CAPEX • Permanent vs. Disconnectable

• Turret Location on the Hull (internal vs. external)

•Mooring Material
– Polyester vs. Steel Wire
• A spread mooring arrangement (8 to 14 lines) connects the turret to the seabed.

• Anchor Selection
– Suction Piles vs. Vertically Loaded Anchors

• Dependent on:
– Weather conditions
– Water depth
– Number/diameter of risers • Relatively short schedules (oil tankers can be converted relatively cheaply)

• Can often be leased instead of bought, hence making very small fields economic

• Can be used in any water depth

• Early production

• Large payload/deck space

• Easy to remove and reuse Question...?
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