GVA 27000
The GVA 27000 is a pure production and quarter's semi-submersible (PQ). The unit is designed for the Atlantis Field in the Gulf of Mexico. It has favorable motion characteristics for SCR fatigue. The accesses to all production risers are vertical. A large deck area for storage of cargo is also provided.
Name Atlantis Location Gulf of Mexico 300 km (190 miles) South of New Orleans Water depth 2,160 m (7,100 ft) Duties Oil and gas production, Field center and Accommodation Status First oil 2006 Owner BP and BHP Billiton Design GVA Topside Design Mustang Engineering Regulatory/Class MMS/USCG/ABS
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MAIN PARTICULARS |
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Length over all: |
129.0 m |
423.2 ft |
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Width over all: |
119.0 m |
390.4 ft |
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Length of pontoons: |
89.6 m |
294.0 ft |
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Height to Upper Deck: |
52 m |
170.6 ft |
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Topside: |
25,500 tonnes |
56,220 kips |
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Future Topside Reserve: |
10,000 tonnes |
22,047 kips |
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Light Unit Weight: |
44,300 tonnes |
97,669 kips |
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Displacement: |
89,000 tonnes |
196,219 kips |
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Draught: |
26.0 m |
85,3 ft |
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Air gap in survival: |
17.5 m |
57.4 ft |
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VESSEL CAPACITIES |
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Oil Production: |
200,000 BOPD |
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Gas Production : |
180 MMSCFPD |
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Gas lift: |
60 MMSCFPD |
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Water Production: |
75,000 BOPD |
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Water Injection |
75,000 BWPD |
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Risers: |
16 SCR:s (7 base case + 9 Future) |
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Accommodation: |
100 persons |
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Station Keeping: |
12 point semi-taut chain-wire-chain system |
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References