Water Depth capability Drilling depth
Mud Pumps Derrick Capacity Top drive Main Draworks Aux Draworks Mud Systems Volume
BOP's Riser tensioners Riser Rating
31 Mw Yes
12,000 ft 40,000 ft
5x 2,200 Hp 4,000,000 lbs
1,250 tons 6,600 Hp 6,600 Hp 20,000 bbls
6 ram 15,000 psi 3,200 Kips 3.0 mm lbs
225 100 ton Yes (2)
Upper Tween Fore
Lower Tween Middle
Double Bottom Aft
Double Bottom Fore
Drill Floor
Utility Floor
Transverse at aft cellar
Transverse at main centre
Bully
Arrangement and Comparison
Contents
• Summary • Arrangements • Comparison
Summary 1/3
Main
LOA B D Tmax Disp
188 m 32 m 15 m 10 m 45,000 t
POB Power Thrust
arrive location with made up /racked pipe / BHA / casing make up conductor & hang off while drilling ahead Drill ahead while make up casing Run casing below auxilliary rotary while drilling ahead Run Casing while making up riser Run BOP wile tripping aux hoist from casing run Trip saver carts for multiple activities build and run casing while drilling ahead Tree Running capability Pick up 55 ton tree in one piece from supply vessel Run tree 100% off line from moonpool Run Tree with BOP hung off at depth ability to move next location with set backs full of pipe
Arrangement
Inboard Aft
Inboard Middle
Inboard Fore
Outboard Aft
Outboard Middle
Outboard Fore
Poopdeck
Main deck
Foreship
Engine room
Upper Tween Middle
Transverse at fore cellar
Shakerhouse
Cementing Unit
X-mas Tree Installation
Comparison
Spirit
Pathfinder
Entreprise
General Dimension Comparison
Displacement Drilling Displacement Transit Installed Horsepower Thruster Mw 4 knot Loop Current Capable
POB Deck Cranes Offline Tree Running Arctic Environment Capable 100% Independent Offline Capabilities EPA Tier II Approved
Bully
45,000 tons 40,000 tons 48,000 Hp
150 48,000 Hp 6x4.25 MW
Arctic class DP-2 Position Mooring
Summary 2/3
Drilling
Main Aux
2400 kips 6,600 hp 1,200 kips 3,300 hp
Setback 2,100 kips
Depths
Total PRD MDR
40,000 ft 12,000 ft 8,200 ft
Summary 3/3
Capacities
Mud Bulk Sacks
2,610 m3 675 m3 400 t
MDO 4,400 m3
Cranes
Pedestal Cranes: 2 x100t
Knuckle Boom: 8t Aux Gantry: 100t Main Gantry: 370t Riser Gantry Crane
No Yes No
2. Tree runing requires tree to be moved to moonpool
Activity Comparison
Activity
Transit to Location - efficient Speed pre- spud pipe make up in transit
26 Mw Yes
12000 ft (SBOP) 40,000 ft
4x 2,200 Hp 3,800,000 lbs
1,000 tons 6,600 Hp 3,300 Hp 18,505 bbls
6 ram 15,000 psi 3,000 Kips 3.5 mm lbs
150 100 ton Yes (1)
Yes Yes Yes
1. Tree running isnpool activities
Pathfinder
106,000 tons 66,300 tons 47,000 Hp
24 Mw No
7500 ft 30,000 ft
4x 2,200 Hp 2,000,000 lbs
750 Tons 6,000 Hp
N/A 12,364 bbls
5 ram 15,000 psi 1,230 Kips 2.5 mm lbs
130 45 ton
No No No No
Enterprise
109,000 tons 68,174 tons 52,118 Hp
31 Mw No
10,000 ft 35,000 ft
4x 2,200 Hp 4,000,000 lbs
750 tons 5,000 Hp 5,000 Hp 15,400 bbls
6 ram 15,000 psi 2,400 Kips 3.0 mm lbs
200 60 ton
No No Yes No
Clear Leader
122,000 tons 73,000 tons 58,766 Hp