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

 

 

 

 

 

MAIN PARTICULARS

 

 

Length over all:

 100.0 m

  328.1 ft

Width over all:

 88.0 m

  288.7 ft

Length of pontoons:

 89.7 m

  294.3 ft

Height to Upper Deck:

 43.9 m

  144.0 ft

Light Unit Weight:

 18,000 tonnes

  139,685 kips

Displacement:

 36,100 tonnes

  79,590 kips

Draught:

 18.4 m

  60.4 ft

Air gap in survival:

 17.5 m

  57.4  ft

VESSEL CAPACITIES

 

Oil Production:

 100,000 BOPD

Gas Production :

  75  MMSCFPD

Risers:

  65 Flexibles+1 SCR                        

Station Keeping:

  8 point system

References

Petrobras 18