Compact Semi-SubmersibleLight-Well Intervention

SPECIFICATIONS

STX CANADA MARINEVancouver, BC Tel: +1.604.216.3360stxmarine@stxeurope.com

Ottawa, ONTel +1.613.238.7979stxmarine@stxeurope.com

Houston, TXTel: +1.713.981.2012stxmarine@stxeurope.com

STX US MARINE

GENERAL

PROPULSION MACHINERY

DECK MACHINERY

CLASSIFICATION

PERFORMANCE

COMPLEMENT

CAPACITIES

PRINCIPAL DIMENSIONS

The CSS concept has been developed by STX Marine, in partnership with Hallin Marine to capture the capabilities and low-motion behavior of a semi-submersible vessel in the smallest form feasible, giving an industry-leading design in terms of operability. The CSS Derwent’s primary functions will be well intervention, well stimulation and subsea installations.

Length Overall

Length (Submerged Hull)

Breadth Molded

Depth Main Deck

Operating Draft Range

Heavy Lift Draft

84.2 m

81.0 m

32.0 m

20.8 m

8.0 m-11.0 m

13.0 m

276’-4”

265’-0”

105’-0”

68’-0”

26’0”-36’0”

42’-6”

17,280 kW 23,170 hp

10.5 kn

13,400 N-m at 7.0kn

50 days DPS-3 avg

Installed Power

Maximum speed

Range

Endurance

152 people

Fuel Oil

Fresh Water

Ballast Capacity

Lube Oil

Bulk Cement

Maximum Deck Load

Deck Loading

Deck Cargo Area

1,891 m3

521 m3

7,986 m3

78 m3

168 m3

1,500 MT

10 MT/m2

1,330 m2

200MT module handling system 3,000 m hook travel

150 MT knuckle boom crane 2,000 m hook travel

Two (2) ROV work systems 1 x over ship’s side 1 x moonpool

Portable HMS-ST-08 9 person dive system

Main Gensets 6 x 2,880 kW 6 x 3,682 hp

Azimuthing Thrusters 4 x 3,000 kW 4 x 4,023 hp

Emergency Genset 1 x 910 kW 1 x 1,220 hp

468,377 USG

131,029 USG

2,045,220 USG

20,605 USG

44,380 USG

446 LT

1,858 lb/ft2

14,316 ft2

ABS, +A1, Column Stabilized Drilling Unit, +AMS, (E), DPS-3, UWILD, HELIDK

HELIDECKSikorsky S61-N, S92, and Super Puma helicopters

LIFESAVING EQUIPMENTLiferafts, SOLAS approved 8 x 25 persons

Lifeboats, fully enclosed 4 x 100 persons