GVA 5800

The GVA 5800 has a variable deck load capacity of 6500 mt in operational and survival conditions. Favourable motion characteristics for efficient and reliable operation also in severe weather conditions are also one significant feature. As any other GVA unit it has a safe design with optimal strength, stability and intact stability. Low operation and maintenance cost and a large deck area as any other GVA design.

 

Operation area               Moderate environment

Operation water depth   2,400 m (8,000 ft)

Drilling depth                  Up to 10,660 m (35,000 ft)
Regulations                    IMO MODO Code 2001, IMO DP Class 3

Classification                  DNV, ABS or Lloyd’s

Accommodation             160 persons

 

 

 

 

 

 MAIN PARTICULARS  

 Length over all:

 113.7 m

 373.0 ft

 Width over all:

 93.6 m

 307.1 ft

 Width outside pontoons:

 76.8 m

 252.0 ft

 Length of pontoons:

 108.8 m

 356.9 ft

 Height  of pontoons:

 9.6 m

 31.5 ft

 Height to Main Deck:

 42.5 m

 139.4 ft

 Height of deck box:

 8.5 m

 27.9 ft

 Four columns:

 14.0 x 14.1 m

 45.9 x 46.3 ft

 Transit draught:

 9.3 m

 30.2 ft

 Transit displacement:

 30,450 mt

 33,563 st

 Transit deck & column P.load:

 5,000 mt

 5,511st

 Operation draught:

 23.0 m

 75.5 ft

 Operation displacement:

 44,300 mt

 48,828 st

 Operation deck & column P.load:

 6,500 mt

 7,164 st

 Survival draught:

 19.0 m

 62.3 ft

 Air gap in survival:

 15 m

 49.2 ft

 MAIN MARINE SYSTEMS/EQUIPMENT                   

 Power generation:

 8 x 4,700  kW              8 x 6,500 HP

 Thruster:

 8 x 3,500 kW               8 x 4,700 HP

 Thruster control:

 DP 3

 Mooring system:

 Emergency mooring only

 Main deck cranes:

 2 x 80 mt                   2 x 88 st

 MAIN DRILLING SYSTEMS/EQUIPMENT

 Derrick for up to 135 ft stands:

 908 mt

 1,000 st

 Top drive:

 908 mt

 1,000 st

 Drawwork

 908 mt

 1,000 st

 Riser tensioners, N-line type:

 1,180 mt

 1,300 st

 Drilling riser, 75 ft joints

 2,500 kips flange rating

 Mud Pump:

 4 x 1,700 kW

 4 x 2,200 kW

 BOP Stack:

 15,000 psi, 5 rams

 TANK/STORAGE CAPACITIES

 Fuel oil:

 3,000

 18,870 bbls

 Drill water:

 2,800

 17,609 bbls

 Potable water:

 470 m³

 2,956 bbls

 Mud Storage, col+pont:

 1,000 m³

 6,289 bbls

 Mud pits:

 800 m³

 5,031 bbls

 Brine:

 550 m³

 3,459 bbls

 Base oil:

 550 m³

 3,459 bbls

 Bulk mud:

 620 m³

 21,895 cbft

 Bulk cement:

 280 m³

 9,888 cbft

Sack storage:

 150 m ³     

 1,615 sqft