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400ft CJ50 Jack-up Drilling Rig
"TBN"

Builder:

China Merchants Industry Holdings Co., Ltd.

Class:

ABS

Design Company:

GustoMSC (Series: CJ50-X120-G)

Main Function:

Designed to comply with the latest site specific assessment criteria (SNAME, T & R5-5A),Self Jack-up unit. Operate water depth:400 fts and drilling depth up to 30,000 fts with a large deck are and large variable load capacities.

Main Particulars

 Hull

Length hull

70m

Breadth hull

68m

Centre line aft leg to forward leg

43.3m

Depth hull

9.5m

Design draft

6.0m

Leg

Number

3

Type

Triangular open truss, x-brace structure

Size

12m chord centre to centre

Length including footing

165m

Maximum leg reaction at footing approx

12,000t

Fixation System

Number

18 × 6-tooth rack

Make

GustoMSC

Type

7500

Drive

Electric AC, variable speed drive

Jacking System

Number

3 × 18 pinions

Make

GustoMSC

Size

320t per pinion effective jacking

Jacking speed(hull lifting)

0.0-0.45m/min stepless

Jacking speed(hull lifting)

0.0-0.68m/min stepless

Drive

Electric AC, variable speed drive

Accommodation

Cabins

120 persons in double/single rooms

General space for

120 persons

Helicopter Deck

Helicopter type

S61N/s92

Dimensions

22.2m × 22.2m

Cantilever

Length

47.5m

Width

12.2m

Height (to Pipe Rack)

8m

Height drill floor

2m

Maximum reach

    Longitudinal

24.38m (80ft)

    Transverse

2 x 7.62m (2 x 25 ft)

Maximum combined load

1,500t (drilling)

Generator Set

Main genset

5 × 1,930kw caterpillar CAT C175-16

Emergency genset

1 × 900kw caterpillar CAT C32

Crane 3 × 55t @ 7.5m 15t @42.7m