GVA 4500
The GVA 4500 is a semi-submersible of well proven design. It is designed with sufficient capacity and flexibility to facilitate both exploration and production drilling. Others are favorable motion characteristics for efficient and reliable operation also in severe weather conditions.
Name Petrobras 18 Location Marlim field, Brazil Water Depth 900 m (3,000 ft) Status First Oil 1994 Owner Petrobras Design GVA
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MAIN PARTICULARS |
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Length over all: |
100.0 m |
328.1 ft |
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Width over all: |
88.0 m |
288.7 ft |
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Length of pontoons: |
89.7 m |
294.3 ft |
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Height to Upper Deck: |
43.9 m |
144.0 ft |
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Light Unit Weight: |
18,000 tonnes |
139,685 kips |
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Displacement: |
36,100 tonnes |
79,590 kips |
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Draught: |
18.4 m |
60.4 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: |
100,000 BOPD |
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Gas Production : |
75 MMSCFPD |
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Risers: |
65 Flexibles+1 SCR |
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Station Keeping: |
8 point system |
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References