Introduction to Melkøya plant

Snøhvit
Introduction to Melkøya plant
Øivind Nilsen
Vice President Snøhvit
STATOIL ASA
1-
Snøhvit
A dream came true ……
2 - Classification: external 150612
- A Successful Frontier LNG Project
• The first LNG liquifaction plant in Norway and Europe
• The first offshore development in the Barents Sea
• The largest industrial development in northern Norway ever
• New technology on several areas
• New markets
• New organisation in a new area of Norway
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Classification: external 150612
70°39′48″N
23°40′55″E
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Classification: external 150612
Facts:
Discovered:
1981 – 84
Water depth:
Distance to shore:
Gas in place (GIP):
Recoverable reserves :
Condensate:
250 – 340 m
140 km
317 GSm3
193 GSm3
34 MSm3
Snøhvit, Albatross
and Askeladd
Original 2002
figures
Owners:
Statoil ASA (Operator)
36.79%
Petoro AS
30.00%
Total E&P Norge AS
18.40%
GDF Suez Norge AS
12.00%
RWE Dea Norge AS
2.81%
0
100
200 km
G:\T&P\ANT\MBM\NKG\Mapdata\NO\Norge_Oversikt\Lisenskart\Mxd\Statoil_Hydro_let_lic_tot_20070401vle.mxd
5
Classification: external 150612
Out on the Snøhvit field we have no impressing
installations to show…
…. above the surface
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Classification: external 150612
Hammerfest LNG in numbers pr. 13. March 2012
• Totally 358 persons employed by Statoil
• 302 living in Hammerfest
• 12 living in the rest of Finnmark
• 20 living in Troms
• 3 living in Nordland
• 21 living in the rest of Norway
• 17 % women
• Average age: 35,8
7 - Classification: external 150612
The deputy Mayor of
Hammerfest:
- We have no other
explanation than Snøhvit
9800
9600
9400
9200
9000
8800
8 - Classification: external 150612
2010
2007
2004
2001
1998
1995
1992
8600
Construction: Prefabrication a necessity
•
Harsh weather conditions
and limited infrastructure
make prefabrication a
necessity
•
Compact layout
•
Method that can enable
projects in other remote
areas
•
Valuable lessons learnt:
Technology/
organisation/
contracts
9 - Classification:
2011-04-11Classification:
external 150612
Ekstern
2011-03-23
Harsh weather conditions
Melkøya after the storm ”Narve”….
10 - Classification: external 150612
Subsea to shore
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Field developments
offshore
• Remotely controlled subsea development
• No installations on the surface
• Overtrawlable subsea templates
• No toxic discharges to the sea
• Re-injection of carbon dioxide (CO2)
12 - Classification: external
Ekstern 150612
2011-01-26
World’s longest multiphase pipeline – 143 km
• gas
• condensate
• water
13 - Classification: external 150612
Kuldeboks
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Cold box
Snøhvit
Blue Marlin and process barge in Cadiz
15 - Classification: external
Ekstern 150612
2011-01-26
In-docking of
process barge
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17 - Classification: external
Internal 150612
2011-01-26
Production start: 21 August 2007
18 - Classification: external 150612
A challenging start-up
19 - Classification: external
Ekstern 150612
2011-01-26
Modifications carried out since start-up
•7 Seawater helix heat exchangers
•Changes to the software system
•Modifications Cold Box
•Less CO2 emissions
•Flare fatigue/ overpressure
•Reduced start-up time
20 - Classification: external 150612
Meeting the performance targets
• Modifications have given improved
capacity, efficiency and regularity
• Production capacity is well above
100%
• Product qualities well within
specifications
• Liquefaction specific power measured
at 243 kWh per ton LNG, which is
better than the guaranteed value
• Hammerfest LNG has confirmed its
position as the world’s most energy
efficient LNG plant
21 - Classification: external 150612
•
The realization of the SNØHVIT project has been a door opener for unlocking gas
resources in the Barents Sea
•
The design concepts and solutions for harsh environment have proven to be a success
•
The Hammerfest LNG plant at Melkøya has strengthened it’s position as the most energy
efficient LNG liquefaction plant in the world
Classification: external 150612
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Thank you for your
attention!
Øivind Nilsen
Vice President Snøhvit
E-mail [email protected]
www.statoil.com
23 Classification: external 150612