300ft Self-propelled Self-elevating Liftboat

1. GENERAL SERVICE

1) The "300ft SEU" is a self-propelled jack-up unit designed and constructed for the well service work (wireline/well testing/pressure pump/cementing) and construction/workover for offshore oilfield;

2) The unit design also takes account of the wind turbine installation and repairing;

3) The unit to have a deck area of about 970m2 and be able to be used as a living support vessel with living quarters;

4) The unit to contain four (4) main generators which can supply 4800kW power;

5) Two (2) cranes to be installed around the forward two legs and have max. 185t lifting capacity for offshore service.

2. GENERAL DESCRIPTION

The vessel to be classed in ABS, with POB of 47persons.

Hull Particulars

Length overall 49.20 m (161.4ft)

Length molded 46.80 m (153.5ft)

Breath molded 42.67m(140ft)

Depth molded 6.80 m (22.3ft)

Design draught 3.80 m (11.8ft)

Design speed 6.0 kn

Max.Jacking variable load 1200 t

Deck load 800 t

Service depth 5-50m(16.4-164ft)

Air gap 20m( 65.6ft)

Deck stress 4.8 t/m2

Main deck area >970 m2

Leg, Spud can and jacking system particulars

Leg configuration cylindrical with spline

Leg diameter 2.8 m(9.2ft)

Leg length (including spud can) 91.44m(300ft)

Spud can dimension 11.7 m×11.7 m(38.4ftx38.4ft)

Jacking system hydraulic

Jacking speed (under load) 1.22 m/min(4ft/min)

3. PROGRESS

The vessel to be delivered in the middle of March, 2012.