brochure arctic s 2013 - email

7/24/2019 Brochure Arctic s 2013 - Email

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ARCTIC SSEMI-SUBMERSIBLE

DRILLING UNITHUISMAN PRODUCT BROCHURE



1. DESCRIPTION

1.1 Unit general

The Huisman designed Arctic S allows to operate at different

drafts resulting in three main operating modes. The unique

design combines the advantages of a conventional semi-

submersible resulting in very low motions in waves and a

heavily strengthened ice resistant unit when operating in ice

at deep draft afloat. In third operating mode the unit acts as a

gravity based structure.

The Arctic S drilling unit is designed to drill wel ls in arct ic

conditions, moored in ice infested waters with ice thickness

up to approximately 1.0-1.5 meter. The unit consists of a

round floater, eight columns and a round deckbox.

When operating in ice the unit will ballast to ice draft (partly

submerged deckbox) to protect the riser against level ice,

rubble and ice ridges. The round conical shaped deckbox has

a heavily strengthened structure at waterline level to deflect

and break the ice.

Station keeping in ice infested waters is achieved by a sixteen

(16) point mooring system. The unit can operate in water-

depths between 35 and 1000m (115 and 3000ft). When no

ice is present the unit operates at its operating draft as a

conventional semi-submersible unit. The Arctic S is designed

for year round operations in the Arctic. Depending on ice

conditions, ice management can be required.

For shallow water with water depths between 12 and 29.2m(40 and 96ft) the unit can be set on the sea bed. Therefore

also the columns and the round floater are strengthened to

withstand ice loads. Skirts are installed under the pontoon for

increasing lateral resistance of the seabed.

2

EMI-SUBMERSIBLE DRILLING UNIT



ARCTIC S ADVANTAGES

Large drillers payload of 16000mt - efficiency

Excellent ice resistance due to round conical shape of deckbox - workability

Excellent motion characteristics when at open water draft - workability

In shallow water unit can be set on the seabed - workability High mooring capacity utilising 16 point mooring system - workability

Drill floor flush with main deck allowing safe and easy operations - safety

Enclosed working and survival areas - safety, workability

Heat tracing on exposed walk ways, stairs and handrails - safety

3

The complete drilling system is enclosed to provide an

acceptable working environment. Because of the integrated

design of the BOP handling system, the substructure is flush

with the main deck of the vessel. Materials can therefore be

handled in a safe way.



4


1.2 Winterization

The design of the unit includes the fo llowing low temperature

features:

Enclosed derrick and working areas (approx. 2500 m2 );

Enclosed lifeboats, life rafts and MOB boat, mooring

windlasses and loading hose stations;

Enclosed ROV areas and protected launching;

Enclosed riser storage and pipe rack area;

Heat tracing and snow covers on exposed escape ways;

Heat tracing of exposed pipes, sealing of exposed doors

and hatches;

Heat tracing of all exposed stairs, walkways and heli-

decks;

Insulation and/or heat tracing on all fluid piping which may

freeze;

Heating coils for exposed tanks;

Thermal insulation of upper hull.

Furthermore the vessel is designed for zero spill and

emissions to air according to Arctic requirements.

1.3 Accommodation

The unit has accommodation for 200 persons in single and

twin cabins. Further, the accommodation is outfit ted with

offices, changing rooms and laundry facilities, mess room,

galley and provision stores, hospital, cinema, games room,

library, internet room, gymnasium and saunas.

1.4 Power

The unit will be fit ted with two engine rooms. Each engine

room is fitted with four engines. The unit will be fitted out with

a vessel management system. Almost all equipment is AC

electric driven. Power regeneration and high efficiency result

in lower fuel consumption. Closed working areas

Transversal Cross section, FR0



Cylindrical Type Unit

Arctic S

5

1.5 Motions Characteristics

The Arctic S has excellent motion characteristics. The heave

motion of the Arctic S is even better than the heave motion of

a conventional semi-submersible.

Excellent seakeeping performance is confirmed by extensive

model testing in a seakeeping tank for a similar, larger design.

The tests are performed for operating, survival, transit and ice

drafts. The motions were monitored. The sufficiency of airgap

is verified.

Model tests in irregular waves in survival condition meeting

the wave HSIG

=17.4m

Model tests in irregular waves at open water operating draft

JBF 14000 (typical semi)



1.6 Ice resistence

The investigation on the ice loads and the behaviour in ice is

conducted in an ice tank for a similar larger design. The unit

has been tested at two drafts. The tests at the operational ice

draft provided the global ice loads necessary for the design

of the mooring system. The tests at the transit draft allowed

checking the feasibility of the transit in ice.

1.8 Drilling equipment

Since the unit will operate in arctic conditions, the complete

drilling system is enclosed to provide an acceptable working

environment. The design of the drilling equipment set is

new but it is based on proven components. The complete

functioning package comprises:

2.4 million pound derrick system

Vertical pipe handling gear, capable of handling 135ft

stands

Substructure with 1.28 million pound riser tensioning

system

Electric and hydraulic power and control systems

Horizontal pipe handling gear (catwalk machines, pipe and

riser overhead cranes)

Skid systems, BOP overhead cranes and deck cranes

1.7 Mooring system

A 16 point mooring system is utilized. On the vessel side

16 chain lines are provided. Depending on the water depth

different pre-laid systems will be utilized. In shallow water the

chain lines will be sufficient. In deeper waters polyester lines

will be required for a chain/wire/chain configuration.

The mooring system is designed to withstand the forces from

the drif ting ice with thickness up to approximately 1.0-1.5m

unbroken level ice.

6


Model tests in ice (ice draft and transit draft)



Efficiency

The Dr illing Equipment Set (DES) contains the dri lling system.

The system has dual drawworks al lowing transfer ring of

the drill line from one drum to the other eliminating slip-cut

procedures, saving several hours each time the wire would

normally be cut. The system has splittable blocks on the

travelling block. The splittable blocks allow push button

reeving change from 16 to 12, 8 or 4 falls when handling

lighter loads, increasing the block speed and the effective

stroke of the passive heave compensation cylinders. Because

of the design of the BOP handling system, the substructure

can be flush with the main deck of the vessel, approximately

15m lower than on a conventional semisubmersible. The

reduced height of the substructure lowers the centre of

gravity.

Safety

Since the drill floor and catwalks are flush with the main

deck, materials can be handled much safer. Most machinery

(drawworks, heave compensators etc.) is located inside the

enclosed derrick providing a safe and protected area for

maintenance.

Redundancy

The complete system is designed with an extreme high

redundancy:

Dual drawworks, allowing 100% load to be handled at half

the speed with one drawworks drum out of order.

Dual Passive Heave Compensator cylinders, allowing 100%

load to be compensated at half the stroke with one cylinder

blocked.

Active Heave Compensation with Passive Heave

compensation as backup.

Four pipe rackers, providing redundant pipe handling.

Electrical and hydraulic power units split into two sections

and fed from two vessel switchboards, securing power at

all times.

Redundant PLC and SCADA network.

7

EQUIPMENT ADVANTAGES

The system has dual drawworks allowing transferring the

drill line from one drum to the other eliminating slip-cut

procedures - time saving

When one of the Dual drawworks drums is out of order,

the full load can still be hoisted although at half the speed -

redundancy

The system has Active Heave Compensation on the

drawworks as well as Passive compensation with Hydraulic

cylinders - efficiency, redundancy

The system has splittable blocks on the travelling block

allowing push button reeving change from 16 to 12, 8 or 4

falls when handling lighter loads, increasing the block speed

with a factor of maximal 4 - time saving

The system has four pipe rackers and a large setback -

redundancy, efficiency



1.9 Integrated control system

An in-house developed integrated control and monitoring

system ensures trouble free operation of the rig. This means

full control of all equipment from a single control system

without any third party interfaces.

The dr illing system is control led mainly from the dr iller’s cabin

and the af t driller’s cabin. However, in case of malfunction

of the control system, most equipment can be controlled

manually as well.

The control system consists of the following main

components:

Central PLC

Remote Input/Output stations

Operator chairs and SCADA screens

All regularly used controls, switches and joysticks are located

on the operator control chairs. To keep the control chairs as

simple as possible, the readout of process-measured values,

status, warning, alarms and job dependent settings are

incorporated in the SCADA system.

Included in the control system is the Huisman Geolograph.

This system is used during drilling and evaluation of the drilling

data. The system is developed with the following features:

Monitoring of all relevant drilling parameters on the rig

Exporting of drilling data in Excel format for in-depth

evaluation enabling the driller and the company man to

make decisions during critical operations

Integration with the rig control system, making use of the

sensors already present.

The control system is prepared for a satellite/telephone

modem connection for service engineers to log on to the

system from the office. This utility can be used for providing

real time drilling data to the office, troubleshooting, software

updates, and for remote service assistance from Huisman’s

engineers. The layout of the control system links all devices

to one single network which is connected to the satellite /

telephone modem. To ensure safe operation, the connection

to the rig uses a secure VPN tunnel.

8


FEATURES

Complete control system from single supplier

Equipment outfitted with local backup controls

Remote access and troubleshooting

Huisman Geolograph included

Drillers cabin interior



2. TECHNICAL SPECIFICATION

GENERAL

GENERAL

MAIN DIMENSIONS

MARINE SYSTEMS

PAYLOAD

Maximum water depth (open water)

Maximum water depth (ice infested water)

Maximum water depth (sitting on the seabed)

Max. drilling depth f rom water line

Classification

Deckbox top diameter

Deckbox bottom diameter

Deckbox height

Column length

Column width

Lower hull outer diameter

Lower hull width

Lower hull height

Height of main deck above

base line

Deck area

Draught operational (ice)

Draught operational (open

water)

Draught survival

Draught transit

Lightweight

Displacement at transit

draught

Displacement at operational

open water draught

Displacement at operational

ice draught

Main engines

Total installed engine power

No. of independent engine rooms

Marine diesel oil tanks

Fresh water tanks

Drill water tanks

No. of ROV’s

Complement in one and two person cabins

Helicopter deck (1x), max. type he licopter

VDL operational (incl. dril ling fluids in

pontoon, but excl. consumables and

mooring chain)

Transit payload (incl. dril ling fluids in

pontoon, but excl. consumables and

mooring chain)

Mooring chain (16 x 300m / D = 102mm)

Mud tanks (pontoon)

Brine / Base oil tanksBulk silos

Bulk in sacks

1000 [m]

500 [m]

29.2 [m]

12190 [m]

ABS: À A1 Column Stabilized Drilling UnitÁ

À AMS À ACCU CDS HELIDK CRC

Ice Class PC 4

8 x 1.825 [eMW]

14.6 [MW]

2 [-]

4600 [cu m]

2000 [cu m]

2800 [cu m]

1 [-]

200 [-]

S-92, EH101 or similar

16000 [mt]

3500 [mt]

1600 [mt]

2200 [cu m]

2000 [cu m]820 [cu m]

9000 [sacks]

17637 [st]

3858 [st]

1764 [st]

13836 [bbl]

12579 [bbl]28958 [cu ft]

88.0 [m]

77.2 [m]

14.9 [m]

12.8 [m]

14.4 [m]

100.0 [m]

26.0 [m]

10.8 [m]

38.5 [m]

2500 [sq m]

29.2 [m]

18.5 [m]

17.0 [m]

10.3 [m]

47964 [mt]

57707 [mt]

79254 [mt]

108733[mt]

3280 [ft]

1640 [ft]

95.8 [ft]

40000 [ft]

8 x 2450 [eHP]

19597 [HP]

28931 [bbl]

12579 [bbl]

17610 [bbl]

288.7 [ft]

253.3 [ft]

48.9 [ft]

42.0 [ft]

47.2 [ft]

328.1 [f t]

85.3 [ft]

35.4 [ft]

126.3 [ft]

26910 [sq ft]

95.8 [ft]

60.7 [ft]

55.8 [ft]

33.8 [ft]

52871 [st]

63612 [st]

87362 [st]

119858 [st]

2.1 Unit



10

ECHNICAL SPECIFICATION

DOUBLE DRILLING TOWER

HEAVE COMPENSATION

PIPE HANDLING SYSTEMS

SUBSTRUCTURE

RISER TENSIONERS

SKID CARTS

Static hook load

Clear height (under crown)

Free lifting height (under topdrive)

Stand length minimal, quad RII, 4 x 30 [ft]

Stand length maximal, triple RIII, 3 x 45 [ft]

Overall height above main deck

Power draw works

Power top drive

Max. capacity compensation system

Max. compensation stroke (AHC), 8 falls 550 [mt]

Based on regular waves with 15 [sec] period

Max. compensation stroke (PC), 8 falls 550 [mt]

Max. capacity total

Size of drill pipe

Size of casing or drill collar

Total length of drill pipe, triple RIII

Total length of casing, triple RIII

Height of drill floor above main deck (flush)

Rotary table internal diameter

Iron roughneck, type AR5000, max. torque

No. of riser tensioners

Total installed capacity

Max. total operation capacity

Maximum stroke on wire

Moonpool skid cart hang off capacity

Capacity SSBOP overhead crane

Capacity X-mas tree skid cart

Static hook load

Clear height (under crown)

Free lifting height (under topdrive)

Stand length minimal, quad RII, 4 x 30 [ft]

Stand length maximal, triple RIII, 3 x 45 [ft]

Overall height above main deck

Power draw works

Power top drive

1090 [mt]

61 [m]

48.0 [m]

Min.

Max.

66 [m]

4600 [kW]

860 [kW]

1090 [mt]

7.0 [m]

6.0 [m]

950 [mt]

3 1/2 up to

5 up to

10370 [m]

2880 [m]

0 [m]

1536 [mm]

216931 [Nm]

8 [-]

580 [mt]

457 [mt]

15.24 [m]

400 [mt]

400 [mt]

80 [mt]

0 [m]

60.5 [inch]

160000 [ft*lbs]

1280 [kips]

1008m [kips]

50 [ft]

880 [kips]

880 [kips]

176 [kips]

2400 [kips]

200 [ft]

157 [ft]

119 [ft]

141 [ft]

217 [f t]

6160 [HP]

1150 [HP]

2400 [kips]

23 [ft]

19.7 [f t]

2100 [kips]

6 5/8 [inch]

14 [inch]

34020 [ft]

9450 [ft]

2.2 Drilling Equipment



SUBSEA BOP

MARINE DRILLING RISER

CHOKE AND KILL MANIFOLD

DIVERTER

MUD SYSTEM

Internal diameter

Pressure rating

Number of ram preventers

Number of annular preventers

Control system

Diameter main tube

Outer diameter buoyancy

Depth rating

Riser joint length

Number of joints simultaneous on board

Stroke telescopic joint

Outer diameter telescopic joint

Pressure rating

Number of chokes

Diverter housing internal diameter

Diverter internal diameter

Diverter pressure rating

Outlet ball valves size

Gumbo box

Number of shakers (one mud cleaner)

Number of degasser

Mud treatment tanks, total volume (7 tanks)

Active mud tanks, total vo lume (10 tanks)

Reserve mud tanks, total volume

Number of mud pumps

Mud pump power (each)

Mud pump pressure

Dual stand pipe manifold pressure rating

Cement manifold pressure rating

1034 [bar]

6 [-]

2 [-]

MUX type

1270 [mm]

1220 [m]

22.86 [m]

48 [-]

19.81 [m]

1499 [mm]

21 [inch]

50 [inch]

4000 [ft]

75 [ft]

65 [ft]

59 [inch]

1034 [bar]

2 remote, 2 manual

1536 [mm]

540 [mm]

69 [bar]

406 [mm]

1 [-]

6 [-]

2 [-]

256 [cu m]

850 [cu m]

2400 [cu m]

4 [-]

1640 [kW]

520 [bar]

517 [bar]

1034 [bar]

60.5 [inch]

21 1/4 [inch]

1000 [psi]

16 [inch]

1600 [bbl]

5100 [bbl]

15000 [bbl]

2200 [HP]

7500 [psi]

7500 [psi]

15000 [psi]

18 3/4 [inch]

15000 [psi]

15000 [psi]

2.3 Well control equipment

2.4 Mud system

Note: Specifications might be subject to changes as the design progresses



HUISMAN EQUIPMENT BV

Admiraal Trompstraat 2

3115 HH Schiedam

P.O. Box 150

3100 AD Schiedam

The Netherlands

Harbour no. 561

Phone: +31 (0)10 245 22 22

Fax: +31 (0)10 245 22 20

E-mail: [email protected]

www.huismanequipment.com

brochure arctic s 2013 - email

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