GVA 40000
The GVA 40 000 is the largest semi-submersible in the world. It is a combined production, drilling and quarters semi-submersible (PDQ). The dual derrick is a real state of the art drilling system. The unit is designed for the Thunder Horse Field in the Gulf of Mexico. This unit got it all.
Name Thunder Horse Location Gulf of Mexico 240 km (150 miles) South of New Orleans Water depth 1,840 m (6,040 ft) Status Installed 2005 Owner BP and ExxonMobil Design GVA Top Design Mustang Engineering Regulatory/Class MMS/USCG/ABS
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MAIN PARTICULARS |
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Length over all: |
164.0 m |
538.1 ft |
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Width over all: |
126.0 m |
413.4 ft |
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Length of pontoons: |
110.0 m |
360.9 ft |
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Height to Upper Deck: |
57.5 m |
188.6 ft |
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Topside Load: |
50,500 tonnes |
111,338 kips |
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Deck Drilling Payload: |
7,000 tonnes |
15,433 kips |
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Light Unit Weight: |
78,000 tonnes |
171,967 kips |
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Displacement: |
130,000 tonnes |
286,612 kips |
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Draught: |
30.0 m |
98.4 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: |
250,000 BOPD |
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Gas Production : |
200 MMSCFPD |
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Gas lift: |
60 MMSCFPD |
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Water Injection: |
300,000 BWPD |
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Risers: |
14 SCR,4 Flexibles |
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Drilling: |
Drilling Derrick, Drill Depth 30,000 ft |
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Accommodation: |
188 persons |
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Station Keeping: |
16 point semi-taut chain-wire-chain system |
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References