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400ft Self-Elevated Drilling Unit (truss ...

400ft Self-Elevated Drilling Unit (truss legs)

400ft

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Detail Info


Self-Elevated Drilling Rig-122m[400ft]


General Description


Water Depth

122m[400ft]

Drilling Depth

9000m[30000ft]

Quaters Capacity

120 Persons



Vessel Dimensions


Length Overall

70.4m[231ft]

Width Overall

76.2m[250ft]

HullDepth

9.5m[31ft]

Max. Cantilever Outreach

23m[75ft]

Max. Drill Floor Offset

+/-4.6m[ +/-15ft]



Maximum Variable Load


Storm Survival Condition

2995m. tons [6607kips]

Operation Condition

6534m. tons [14413kips]



Environmental Criteria (Survival)


Max. Wave Height

18m[59ft]

Associated Wave Period

14.1 sec

Surface Current

0.77 m/sec [1.5 knots]

Wind Speed (one minute mean)

51.4m/sec [100 knots]

Air Gap

11 m[36ft]

Penetration

3m[10ft]



Storage Capacities


Fuel Oil

750 cu.m [4720 bbls]

Drill Water

1676 cu.m [10540 bbls]

Potable Water

347 cu.m [2180 bbls]

Preload Ballast

14337 m. tons [15800 short ton]

Active & Reserve Pits

630 cu.m [3960 bbls]

Bulk Mud/Cement

493 cu.m [3100 bbls]

Sack Storage

5000 sacks



Legs


Type

Triangular Truss Leg

Number

3

Length

167m[548ft]

Center of Aft Leg to CL of Forward Leg

45.7m[150ft]

Center to Center of Aft Leg

47.6 m[156ft]

Spud Can Diameter

18m[59 ft]



Drilling Equipment


Derrick

12.2 m×12.2m×51.8m[40ft×40ft×170ft]

Drill Floor Dimensions

13.7 m×21.9 m[45ft×72ft]

Max. Setback Load

431m. tons [950kips]

Max. Rotary Load

726m. tons [1600 kips]

Max. Hook Load

726 m. tons [1600 kips]

Max. Tensioner Load

m.tons [900 kips]

Max. Combined Drill floor Load

1179m. tons [2600 kips]

Draw works

2237 kw [3000HP]

Rotary Table

1257 mm[49 1/2 in]

Mud Pump

Three (3) 2200 HP, 7500psi

Traveling Block

680 m. tons [750 ST]

Pipe Handling System

Horizontal & Vertical



Well Control Equipment


BOP Stack

47.6 cm×105.5 Mpa [18 3/4 in× 15000psi]

BOP Handling Capacity

113m. ton [125 ST]

Diverter

125.7 cm [49 1/2 in]

Conductor Tensioner System

Primary on Tensioner Platform; Secondary Under Drill Floor



Cranes & Winches


Deck Crane

Three (3) Pedestal Cranes with36.5m[120ft] Boom

Mooring Winches

Four (4) Winches with914m[3000ft] of50mm[2 in] Wire Rope



Rig Power System


Engines

Five (5)3516Cor C-HD Caterpillar or Equivalent

Emergency Generator

One (1)3512 Cor C-HD Caterpillar or Equivalent



Safety Equipment


Lifeboats

Three (3) 60 Persons Lifeboats

Life rafts

Six (6) 20 Persons Inflatable Life rafts



Mud Conditioning Equipment


Shale Shaker System

Four (4) Sets/One (1) Mud Cleaner

Vacuum Degasser

Two (2) Sets

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