1. No category

Multipurpose Icebreaker
Operations in the Arctic
Jukka Salminen
Arctic Passion 12.03.2015
25.3.2015
11
Arctia Today
1. GLOBAL
DIMENSION
Maritime services for the offshore industry
with a focus on the arctic and antarctic
2. BALTIC SEA DIMENSION
Icebreaking and oil combatting services on
the Baltic Sea
3. LOCAL DIMENSION
Harbour icebreaking with additional
services including oil combatting
(C) Arctia Shipping JTS
Jukka Salminen
Arctia Today
Customers and Arctia
Baltic Sea Icebreaking
• End users are the finnish and
international industrual players and
shipping companies
– Chartering agreement between
the Finnish Traffic Agency and
Arctia
• 5+2 icebreakers
• 1000-3500 assignments / year
• 250-1000 operating days / year
• 150 employees
• Annual turnover +/-30 m€
Global – Polar Offshore
•
•
•
•
•
•
Customers: International energy
cluster
The Arctic, Subarctic and Antarctic
2 multipurpose vessels and
newbuilding schemes
120 persons
400-600 operating days / year
Annual turnover 25-50m€
(C) Arctia Shipping JTS
Jukka Salminen
Fennica / Nordica
Because of the short operating season of icebreakers (economical use),
Finland commissioned msv Fennica and Nordica
in 1993 and 1994.
Specifications:
• Shipyard: Aker Finnyards
• Length: 116 m
• Beam/draft/:26 m/8.4 m
• Displacement: 9,700 t
• Shaft output: 15 MW
• Bollard pull: 234 t
• Speed in open water: 16.5 knots
• Speed in fast ice of 80 cm: 10 knots
• 1A1 POLAR10 Icebreaker Tug Supply Vessel
25.3.2015
EQUIPMENT
•
•
•
•
•
•
•
•
•
•
•
2 x 7,5 MW Aquamaster (Aft)
3 x 1,2 MW Brunvoll tunnel thrusters (Bow)
Kongsberg K-POS DP-22
Kongsberg HiPaP 500
Kongsberg LTW MK15/500
2 x DPS type DGPS receivers
Hydralift deckcrane SWL 30 t
A-Frame SWL 120 t
160t AHC Crane on Nordica
2 x AH/TW winches 3000 kN each.
Helideck D: 22,2 m T: 12,8 t
25.3.2015
Challenges when operating in the Arctic
•
•
•
•
•
•
•
•
•
•
•
Remote location
Logistics – good planning for fuelling, crew changes, groceries etc.
Critical spare parts – think before something happens
Regulatories / Native people
Environment / Mammals
Closest port can be in 2 weeks sailing distance
Climate
– Fog
– Darkness
– Icing
– Icebergs, crowlers
– Extreme winds / waves
Ice Master
– Experience, communication, timing
Vessels capability
– Vessels suitably, emissions
Environmental organisations
Polar code - New rules for environment, safety
25.3.2015
C Arctia Shipping ltd
61
25.3.2015
C Arctia Shipping ltd
71
Operations
•
”Normal” Offshore operations
– Helicopter operations, vsl to vsl transfers
– Mammal observations
– Subsea operations, ROV, diving etc.
•
Ice Management
– Breaking ice and keeping drillship or other platform free from ice
– Ice scouting, installing trasponders
•
Ice Defence
– Towing icebergs
– Propulsion washing smaller bergs and growlers
25.3.2015
C Arctia Shipping ltd
81
25.3.2015
C Arctia Shipping ltd
91
Pictures: Jarmo Vehkakoski
25.3.2015
C Arctia Shipping ltd
101
SHELL ALASKA VENTURE 2012 •
•
•
•
•
•
•
Beaufort and Chukchi sea.
Near 20 vessels involved.
Goal for the season was to drill wells into oil bearing zones in
Beaufort and Chukchi seas.
Only top holes were finished.
Shell has spent $6 Billion on the project so far.
No drilling in 2013 or 2014.
Plan to drill 2015
25.3.2015
2012 Season Fennica and Nordica were operating
in Alaska in Beaufort Sea and Chuckchi Sea
Working for Shell E&P
(C) Arctia Shipping & Wärtsilä
TASKS FOR FENNICA
•
•
•
•
•
Primary Ice Management vessel
Capping Stack
Crew change vessel
ROV support
Installation and recovery of
various buoys.
25.3.2015
TASKS FOR FENNICA
PRIMARY ICE MANAGEMENT VESSEL
•
•
•
•
Traditional ice management for the
drillship Noble Discoverer.
Ice scouting in the beginning and the
end of the project.
New technique was tested. “Lake
Fennica”
25.3.2015
•
•
•
2 experienced Canadian ice advisors
onboard.
“Ice Nav” monitoring system.
Ice radar Selesmar Selux ST
PSO:s onboard to monitor wildlife.
TASKS FOR FENNICA
”UNTRADITIONAL ICE MANAGEMENT”
•
•
•
•
•
•
Ice 5 – 10 cm thick
Drift 0,5 – 1,5 knots
Vessel on DP, Full DP or Sway
disabled
Thrusters in Force bias mode, 1530 t
Thruster wash breaks the ice as it
travels past the vessel.
Creates a “lake” behind the vessel
were even weak vessels can stay
on DP
25.3.2015
TASKS FOR FENNICA
”UNTRADITIONAL ICE MANAGEMENT”
25.3.2015
TASKS FOR FENNICA
”UNTRADITIONAL ICE MANAGEMENT”
25.3.2015
TASKS FOR FENNICA
CREW CHANGE VESSEL
•
•
•
Fennica vas the only work vessel in the Chukchi with a helideck.
Crew from other vessels were lifted over to Fennica by “Billy Pugh” basket.
Time, and manpower consuming operation.
25.3.2015
TASKS FOR FENNICA
ROV SUPPORT
•
•
•
Oceaneering Millenium work class ROV.
Only a few assignments were conducted.
Force bias method can be use to keep the launch area icefree.
25.3.2015
EVALUATION
WHAT WAS GOOD
•
•
•
•
•
•
Experienced crew
Good manoeuvrability
Enough power
DP
Large vessel, calm movements
Sufficient accommodation capabilities.
25.3.2015
THANK YOU
25.3.2015