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8/8/2019 2008 01 17 Snhvit LNG INT LNG [Read-Only]
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Classification: Internal Status: Draft
INT LNG, Melkya17. January 2008
Snhvit LNG a true adventureArctic gas to new markets
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SnhvitThe first gas development project in the Barents Sea
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Snhvit factsThe first gas development project in the Barents Sea
Discovered: 1981 84Water depth: 250 340 m
Distance to shore: 140 kmGas in place ( GIIP): 317 GSm 3 /11.2 TCF (terra cubic feet)
Condensate: 34 MSm 3
Owners:
3.26%Amerada Hess Norge AS
2.81%RWE Dea Norge AS
12.00%Gaz de France Norge AS
18.40%Total E&P Norge AS
30.00%Petoro AS
33.53%Statoil ASA (Operator)
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SnhvitThe first gas development project in the Barents Sea
The first export facility for LNG inNorway and Europe
The first offshore project in the BarentsSea
The largest-ever industrial developmentin northern Norway
New technology/
new markets
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Modultransport
Snhvit- consists of ..
Field developments offshore
Pipeline to shore
LNG plant on land for processingand liquefaction
LNG carriers
Gas to new markets
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Full subsea field/remote operationRecord-distance multiphase flowCO 2 sequestration and storagePath breaking LNG technology
Zero surface solutions from subsea to the beach
Snhvit technology for the ArcticA benchmark project for offshore and LNG technology
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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 dioxides (CO 2)
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SnhvitLNG-plant at Melkya
Separates the various wellstream phases
Separates CO 2 for re-injection
Separates MEG for re-use
Cools down gas to liquid form
(LNG) at -163O
C
Refrigeration processdeveloped by Statoil/Linde
Energy-efficient plant, self-sufficient in electricity
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Statoil/Linde, MFC
GG
Pre-coolingCycle
Lique-
factionCycle
Sub-coolingCycle
S CCExp. /Gener.
LNG Expander/Generator
Plate FinHea tExchangers
Spiral Wou ndHea tExchangersGenerator
N G
L N G
M
M
M
SCC C ompresso r
PCC C ompresso r
LCC C ompresso r
ElectricPowerGener.
5 x GE LM 6000 GTwith waste hea t recovery
G
G
G
G
G
Process heatconsumers
Fuel gasA ir
H oto ilcycle
Electric Powerfrom the Grid
Se awatercooling
Cold box
Un it 25
Cycle compression andseawater cooling
Un it 25
Electric power gene rationwaste heat recovery,ho t oil cycleUnit 81 and 50
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SnhvitTesting of compressors
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SnhvitCO2-injection
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SnhvitMelkya before start-up
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Prefabrication a necessityHarsh weather conditionsand limited infrastructuremake prefabrication a
necessity
Compact layout
Method that can enable
projects in other remoteareas
Valuable lessons learnt:Technology/
organisation/contracts
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Slug catcher
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MEG-tanks
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Kuldeboks Cold box
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Cold box
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SnhvitBlue Marlin and process barge in Cadiz
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SnhvitIn-docking of process-barge
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4 new carriersL: 290 m, W: 49 m , H: 53 m145 000 cbmMade in JapanDelivery November 2005 - April 2006.
LNG: 70 cargoes a year
LPG: 20 000 tonn
Condensate: 40 000 tonn
LPG/Condensate:
15-20 cargoes a year
LNG-carriers
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Melkya - Cove Point: 20 days returnMelkya Bilbao: 12 days return
SnhvitShipping and new markets
Cove Point
annually 2.4billion cubic
metres
Iberdrola S.A.
annually 1.6billion cubic
metres
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Continued high activity parallel processes
Final constructionactivities
Commissioning andtesting
Start up andoperations
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SnhvitCompletion of all details
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SnhvitMilestone 21. August
Opening of wells offshoreand flow intothe pipeline
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SnhvitFakling i oppstartsfasen
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Hammerfest LNG
Veske-fanger
MottakMling
CO2fjerning
Vannfjerning Kvikkslvfjerning
Flytendegjring
av Natur Gass
LPGTank
KondensatTank
MEGgjenvinning
Kondensatbehandling
CO2 trkingog
rekompresjonNitrogenfjerning
Fraksjonering
Fyr gasssystem LNG
Tank
LNGTank
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SnhvitFirst cargo left Hammerfest 20. October 2007
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Lekkasje i sjvannsvarmeveksler
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Annual running costs:
NOK 800 million250 million possibleregional spin-offs
400500 jobs in total
Operations organisation- 200 jobs
Suppliers and contractors
- 100-200 jobs
Regional impact- another 150 jobs
Snhvit- 25 to 30 year production period
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