atelier 4 innovations maritimes : les nouveaux navires the seven … · 2019-04-15 · seven...

Atelier 4Innovations maritimes : les nouveaux navires

The Seven Borealis, a World-Class Strategic Enabler

Frédéric BOST, Vessel Support Team, Deputy Director Pipelay and Heavy Lift,

SUBSEA 7 Corporate

12th of October 2011

Seven Borealis, Subsea 7 World-Class Strategic Enabler

Agenda:

1. Introduction

2. Vessel overview

3. Crane and deployment spread

4. S-lay pipelaying spread

2Page12th of October 2011


5. J-lay pipelaying spread

6. Build status

7. First project


1. Introduction : Seven Borealis key notes

• Subsea 7’s state-of-the-art world-class strategic enabler

• New pipelay & heavy lift DP vessel

• Designed to meet the exacting requirements of today’s

and tomorrow’s ultra-deep and deepwater challenges, in

the world’s harshest conditions


the world’s harshest conditions

• Acquired in December 2009 and scheduled for delivery in

early 2012, developed to precise Subsea 7 specification

• Brings unprecedented deepwater pipelay and

riser/subsea construction capabilities

• Represent a significant leap forward to the offshore

industry


Agenda:

1. Introduction

2. Vessel overview






6. Build status

7. First project


Key abstracts:

Biggest multi-roles capability vessel in the industry:

Pipelay: Two rigid pipelay systems up to 1,000mT capacity:

• 600mT S-lay Single or Double joint, piggy back,

• 1000mT DJ J-lay, (2000mT capacity foundation).

Flexlay: Facility for 500mT flexible lay tower and space for multiple reels or carousels


and space for multiple reels or carousels

Subsea construction. Flexibility with:

• Large multipurpose crane,

• Multiple subsea winches systems onboard,

• Foundation for hang-off (1no 1000mT & 1no 1200mT)

Heavy lift construction:

• 5000mT main crane,

ROVs: Top-end ROV systems for subsea intervention


Borealis – Marine support details

DP Class 3 DnV Class plus NMD Letter

of Compliance for worldwide operations

Principal Particulars

Length 182.2 m

Breadth 46.2 m

Depth 16.1 m

Draught 7 – 11.35 m

Speed 14 kts max, 12.5 kts transit

Behaviour

Passive flume tank roll damping

system


Speed 14 kts max, 12.5 kts transit

POB 220 (NMD) – 399

Machinery & Propulsion

Installed power 34.6 MW

Thrusters:

- 2 x fixed azimuth each 5500 kw aft

- 4 x retractable azimuth each 3200 kw

in hull

- 1 x 2790 kw in tunnel

system

Helideck

Approved for up to Sikorsky S61N

ROV Systems

2 ultra deep water units with

cyber technology and full survey

package.


Model testing campaign

Model tank testing


Wind tunnel testing


Borealis – ROV, Survey & additional capabilities

ROV Systems2 ultra deep water units with cyber technology and full surveypackage.

Survey

• Survey enhancements HP500 & HP100 plus gate valves forSonadyne LBL and NASNET.


Capabilities

• Designed as mothership to carry fuel and potable / technical freshwater available for others.

• An onboard monitoring, decision and prediction system for weather sensitive operations.(vessel behaviour modelling and performance software using live weather forecasts to predict vessel operability and optimise heading, including deep water load behaviour).


ROV Equipment (FAT Phase)


Cyber Chairs


Seven Borealis, in a few numbers

• 70.000 tons deadweight (7 Eiffel towers)

• More than 500 kms of electrical cables

• Main crane boom weight: 1200 tons, length 120m

• Stinger 100m, 1100 tons

• Weight of main hook: 150 tons

• Bridge 56m large


• Bridge 56m large

• Fresh water production to military standard & increased

storage capacity

• Equipped with one sauna


Some History of the Build


Launch Nantong, October 2009

Accommodation block removed, extended

and re-installed April – July 2010

1st dry-dock – February 2010


General DataMain Crane (Huisman) J-Lay tower

• Pipe from 4” to 36” (outside dia.)

• Double joint & double working stations

• Friction clamp + travelling block system


Pipe storage area

Stinger A-frame

Deepsea S-Lay stinger

3 off 40 t deck cranes

Hang offs foundation 1000 tDeck prepared for a 500 t

flexible lay tower (stbd)

Accommodation

for 399 people


Agenda:

1. Introduction

2. Vessel overview






6. Build status

7. First project


Borealis – Main crane rating

Main Crane (heavy-lift mode)

• Main crane capacity: 5000 t (tested at 5500t),

• Revolving capacity: 4000 t,

• Main blocks splitable in two blocks to allow jacket upending,

Main Crane – Auxiliary / subsea hook (Deep Water Lowering System)• Heave compensated.


• Heave compensated.

• Subsea capacity: 1200 t.

• Max water depth: 6000 m.

Whip hook

• 110t




Crane loadout, China – February 2011

Crane installation – March 2011


5,000 t Crane Reeved



5500mT crane test: New Scale of Equipment

1500 mT1250 mT

900 mT

700 mT

Test lift padeyes - 120mm plate


Slings

~280 mm Ø


Test of intermediate Hoist @ 350 tons



Agenda:

1. Introduction

2. Vessel overview






6. Build status

7. First project


Borealis – 600t S-Lay spreadPipelay Steep-S single or double joint pipelay system.

Variable layout


• Single or double joint pipelay system for pipe from 4.5” to 46” (outside diameter).

• 3 x 200 t tensioners.

• Two A&R systems.

• Steep-S 92m , 3 sections stinger, 90° departure angle.

• Three auxiliary cranes (general supply & pipe loading).


Steep-S stinger

Stinger Section 3 Stinger Section 2


Stinger Tip

Stinger Section 1

Attachment to ShipTackle attachment Structure

Stinger Fabrication




Pipe conveyor equipment

Main Firing Line Beadstall area

600 t A&R winch system


Miscenaleous ship equipments



S-Lay – Firing Line EquipmentAssembly of the 200t Tensioner is currently ongoing at the Huisman facilities

in Schiedam and Czech.


Assembly of the Upper Track

Assembly of the Main Frame


Agenda:

1. Introduction

2. Vessel overview






6. Build status

7. First project


Travelling Friction Clamp

Draw works

Travelling Block

Work Station 1 (Welding)

Gimballing

Borealis – J-Lay spread

J-lay tower:

• Gimballing J-lay tower over the side

• Double joint, two stations

• 4” up to 36”

• 1 000 t maximum capacity


Borealis HULL

PLET Handling System

Hang off

Work Station 2(AUT + FJC)

Gimballing

Ring

StingerStructure

• PLET handling system up to 100 t

• Travelling block / friction clamp system.

• The gimball system allows pipelayin operational / weather preferred headings, as well as PLET installations, etc.

• 7’B is capable of self installation & removal of the J-lay tower.


J-lay tower - PLET handling system• 100t capacity.

• Safe handling of PLET/ILT in control manner.

Example: Pazflor triple in-line tee(two vertical & one horizontal connectors)


(two vertical & one horizontal connectors)


Agenda:

1. Introduction

2. Vessel overview






6. Build status

7. First project


Programme to Completion• Ongoing yard commissioning and completion programme :

� Basin trials thrusters - ongoing

� Electrical system hook-up and commissioning - ongoing

� Crane load test (5,500 t) – October 2011

� Sea trials – November 2011

• Seven Borealis will depart Singapore December / January 2012, as a heavy

lift ship.


lift ship.

• Pipelay equipment will be commissioning in the Netherlands.

• J-Lay tower stored in Flushing (The Netherlands).

• January / February 2012 Borealis in Rotterdam – load and installation J-Lay

system.

• 4 months at Huisman for S-Lay spread installation, integration and

commissioning (tensioners, SHF, stinger, pipe handling, winches, etc).

• Perform offshore trials – Mid 2012.

• Ready for operations end Mid 2012.


Agenda:

1. Introduction

2. Vessel overview






6. Build status

7. First project


CLOV – Borealis scope of workClient: TOTAL E&P Angola, Location: Angola, Block 17, Water depth: 1000 to 1400m

Pipelay: 22 flowlines 10 & 12”, inc 11 pipe in pipe, 110 km in J-lay, 19km in S-lay, 51 FLET & ILT.

Structure deployment: 14 foundations (90 to 220mT) & 28 structures (90 to 210mT)

Riser installation: 1 x Gas Export SHR (Including Flexible Jumper connection)

Rigid spools: 8 nos at bottom of riser towers ( 3D, ~110mT).


Q4 - 2012 Q1 - 2013 Q2 - 2013

J-lay J-lay S-lay

Structures Structures Spools

SHR

Q4 - 2012 Q1 - 2013 Q2 - 2013

J-lay J-lay S-lay


SHR

Q4 - 2012 Q1 - 2013 Q2 - 2013

J-lay J-lay S-lay


SHR

Q4 - 2012 Q1 - 2013 Q2 - 2013

J-lay J-lay S-lay


SHR


Questions ?

As of 28/09/2011




seabed-to-surface

www.subsea7.com

atelier 4 innovations maritimes : les nouveaux navires the seven … · 2019-04-15 · seven...

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