DOF AHTS fleet

DOF’s AHTS
CEO – Mons Aase
DOF orders 3 new AHTS vessels in Brazil
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2 x Aker AH 12
•
1 x Aker AH 05
•
Price is confidential
•
Tailormade for Petrobras
•
Petrobras presently on tender for 24 vessels to be
built in Brazil
•
Options for 2 additional vessels (AH12) to be
declared after Petrobras award.
DOF ASA – CAPITAL MARKET DAY 2008 - AHTS - 2
Aker AH 12
Specifications
EPC contract
Type: Aker AH 12
• Yard: Aker Promar
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Main particulars
Length overall:
Length btw. p.p.
Breadth moulded:
Bollard pull:
• Delivery date 1st vessel: mid 2011
approx. 95.0 m
approx. 84.8 m
approx 24.0 m
approx. 300 t
DOF ASA – CAPITAL MARKET DAY 2008 - AHTS - 3
• Delivery date 2nd vessel: end 2011
• Options for 2 more for delivery in 2012
Aker AH 05
Specifications
EPC contract
• Type: Aker AH 05
• Yard: Aker Promar
• Delivery date 1st vessel: end 2011
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•
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Main particulars
Length overall
Breadth mld
Bollard pull
approx. 74.3 m
approx. 17.0 m
approx. 150 ton
DOF ASA – CAPITAL MARKET DAY 2008 - AHTS - 4
DOF AHTS fleet
15-18,000 BHP
18-20,000 BHP
20,000 BHP
2
1
1
DOF ASA
Skandi Møgster
Skandi Giant
Skandi Admiral
Skand Stord
Norskan AS
2
3
2 (+2 opt.)
Skandi Copacabana
Skandi Rio
AH12
AH 05
Skandi Fluminence
AH12
AH12 (option)
Skandi Botafogo
AH12 (option)
Aker DOF Supply AS
6
DOF Installer
4
10
4
Total AHTS : 21 + 2
DOF ASA – CAPITAL MARKET DAY 2008 - AHTS - 5
7+2
DOF Installer ASA
Vessel no 1: 5 + 3 years contract with StatoilHydro from delivery Dec 2009
Specifications
EPC contract
• Type: Aker AH 04 CD
• Yard: Aker Aukra
• Overall length / breadth: Approx 108m x 24m
• Delivery date 1st vessel: December 2009
• Deck-area: 1,000 m2 + moonpool + ROV hangar
• Delivery date 2nd vessel: May 2010
• Winch: 500 tons (main winch) + 170 tons
• Delivery date 3rd vessel: Oct 2010
• Offshore crane: 250 tons*
• Delivery date 4th vessel: May 2011
• Installed power: 36,000 BHP (hybrid)
• Bollard pull: >350 tons
• Accommodation: 90 people
DOF ASA – CAPITAL MARKET DAY 2008 - AHTS - 6
• Favourable prices compared to market
• Increasing demand
Aker DOF Supply
Specifications
Contract
• Type: AHTS
• Yard: Vong Tau Vietnam
• Overall length / breadth: Approx 75m x 17m
• Delivery date 1st vessel: 2010
• Deadweight: 3, 000 tons
• Delivery date 2nd vessel: 2010
• Winch: 350 tons (main winch)
• Delivery date 3rd vessel: 2011
• Installed power: 16,000 BHP
• Bollard pull: >180 tons
• Speed: Max 14.5 knots
• Delivery date 4th vessel: 2011
• Delivery date 5th vessel: 2012
• Delivery date 6th vessel: 2012
• Class: DnV +1A1, SF, E0, TUG, dk(+), HL (2.8), • All-in cost per vessel: approx NOK 280 mill
• DYNPOS AUTR, T-MON, Clean Design
• Option for six vessels to be declared end of 2008
DOF ASA – CAPITAL MARKET DAY 2008 - AHTS - 7
DOF ASA
Skandi Admiral
Built 1999
Draught 7,96 m
Design UT 741
GRT 4 370 t
LOA 83,30 m
DWT 4 541 t
Breadth 20,5 m
Accommodation 70
Main Engine:
4 x 4 025 kW (16 100 kW)
Skandi Møgster
Built 1998
Draught 6,88 m
Design KMAR 404
GRT 2 598 t
LOA 73,60 m
DWT 2750 t
Breadth 16,40 m
Accommodation 24
Main Engine:
DOF ASA – CAPITAL MARKET DAY 2008 - AHTS - 8
2 x 5 590 kW (11 180 kW)
DOF ASA
Skandi Stord
Built 1999
Draught 6,88 m
Design KMAR 404
GRT 2 598 t
LOA 73,60 m
DWT 2 750 t
Breadth 16,40 m
Accommodation 24
Main Engine:
2 x 5 590 kW (11 180 kW)
Skandi Giant
Built 2002
Draught 7,60 m
Design VS 480
GRT 4 820 t
LOA 81 m
DWT 3 800 t
Breadth 20 m
Accommodation 49
Main Engine:
DOF ASA – CAPITAL MARKET DAY 2008 - AHTS - 9
2 x 6000 kW (12 000 kW)
Norskan AS
Skandi Copacabana
Built 2005
Draught 6,60 m
Design UT 722 L
GRT 3 678 t
LOA 80,50 m
DWT 2 400 t
Breadth 18,00 m
Accommodation 30
Main Engine:
2 x 3 535 kW (7 070 kW)
2 x 2 650 kW (5 300 kW)
Skandi Rio
Built 2006
Draught 6,60 m
DesignUT 722 L
GRT 3 350 t
LOA 80,00 m
DWT 2 600 t
Breadth 18,00 m
Accommodation 36
Main Engine:
2 x 3 535 kW (7 070 kW)
2 x 2 650 kW (5 300 kW)
DOF ASA – CAPITAL MARKET DAY 2008 - AHTS - 10
Norskan AS
Skandi Fluminence
Built 2007
Draught 6,60 m
Design UT 722 L
GRT 3 350 t
LOA 80,00 m
DWT 2 600 t
Breadth 18,00 m
Accommodation 40
Main Engine:
2 x 3 535 kW (7 070 kW)
2 x 2 650 kW (5 300 kW)
Skandi Botafogo
Built 2006
Draught 6,60 m
Design UT 722 L
GRT 3 519 t
LOA 80,50 m
DWT 2 660 t
Breadth 18,00 m
Accommodation 40
Main Engine:
2 x 3 535 kW (7 070 kW)
2 x 2 650 kW (5 300 kW)
DOF ASA – CAPITAL MARKET DAY 2008 - AHTS - 11
Aker AH 04
300 Tonn BP Anchor Handler
LOA
Aker Yards Project
Preferred for Innovation
108 m
Breadth
24 m
Depth main deck
9.8 m
Aker AH 04
Large Anchor Handler with a lot of features:
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
ƒ
High Bollard Pull
Huge winch
Safe deck equipment
ROV garage
Moonpool
Large accommodation
Lifeboats
Prepared for large crane
Prepared for Aframe
Possibility for Helideck
Much more…
Focus in this presentation:
•Hull Lines
•Stability
•Hybrid propulsion
Preferred for Innovation
Slide 13
© 2006 Aker Yards
Picture from tank test at Marintek
Design waterline T=6.5 m, 12 knots
Preferred for Innovation
Slide 14
© 2006 Aker Yards
Picture from tank test at Marintek
Movies from seakeeping tests can be made available!
Design waterline T=6.5 m, 16 knots
•Bulbous bow
•Slender shoulders
Best wave pattern ever seen on a large Anchor handler?
Preferred for Innovation
Slide 15
© 2006 Aker Yards
Stability during Anchor Handling
Input
FO/FW/WIRE/RIGCH/DECKLOAD+++
Max tension (chain weight)++
Stability (REQUIRED)
IMO, DNV ++
NMD guidelines
OK / not OK
Introducing limits? Weather limits?
Preferred for Innovation
Slide 16
© 2006 Aker Yards
Max Tension AH04 – example conditions
Lett AH uten ballast
Lett AH med ballast
Above 600 tonnes for medium AH conditions!
Medium AH
utan500
ballast
Above
tonnes for heavy AH conditions!
No restrictions!
Medium AH med ballast
Light AH w/o ballast
Light AH with ballast
Medium AH w/o
ballast
Medium AH with
ballast
Heavy AH utan ballast
Heavy AH w/o
ballast
500 t
Heavy AH med ballast
Heavy AH with
ballast
Preferred for Innovation
Slide 17
© 2006 Aker Yards
Comparison with Aker AH 09 – 20 meter breadth vessel
Large Anchor Handler
Huge Anchor Handler
Preferred for Innovation
Slide 18
© 2006 Aker Yards
Hybrid propulsion
Two Main engines:
Four auxiliary engines:
7 680 kW
2 600 kW
Two shaft generators:
Two electrical engines:
4 000 kW
3 500 kW
The best from both worlds:
•Mechanical mode
•Diesel electrical mode
•Combined Hybrid mode
•Optimized for all potential conditions
Preferred for Innovation
Slide 19
© 2006 Aker Yards
Comparison of mode in transit
Speed
knots
10
10,5
11
11,5
12
12,5
13
13,5
14
14,5
15
15,5
16
16,5
17
17,5
18
18,5
19
Dieselmechanical
Dieselelectric
Dieselelectric
Main engine
m3/da
12,4
14,3
16,3
18,5
20,7
22,9
23,9
26,1
28,6
30,8
34,1
37,2
40,4
46,3
52,8
63,3
74,3
87,6
98,0
m3/day
13,7
15,3
17,4
19,6
22,2
24,4
26,8
29,3
32,2
35,6
39,2
m3/day
13,2
15,1
17,1
19,3
21,5
23,7
25,7
28,0
30,4
One main
engine
HYBRID
m3/day
11,1
12,7
14,2
16,3
18,3
20,3
22,4
24,5
27,0
30,2
SIGNIFICANT SAVINGS FOR THE ENVIROMENT!
INFORMATION IS WITHOUT SEAMARGIN,
AND ARE ONLY INTENDED TO COMPARE DIFFERENT MODES
Preferred for Innovation
Slide 20
© 2006 Aker Yards