PROJET UNESCO SUR LES APPLICATIONS DE LA TELEDETECTION PRESENTATION DE L ’ATELIER NATIONAL
Presentation Projet Qgii
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![Page 1: Presentation Projet Qgii](https://reader033.fdocuments.in/reader033/viewer/2022051517/55cf9c9e550346d033aa72af/html5/thumbnails/1.jpg)
PRESENTATIONPRESENTATIONQatargas IIQatargas II
November 4th 2004November 4th 2004
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2Summary
Qatar LNG site
QGII overall development project
QGII onshore development preject
Technological features
Technip EPC scope
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3Location of Ras Laffan Qatar
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4QATARGAS EXISTING LNG PLANT BLOCK DIAGRAM
Non AssociatedNatural GasNon AssociatedNatural Gas
SulphurRecovery
Liquefaction
LNG Storage Loading
Fractionation C5+ Gasoline
Dehydration
Condensate Stabilisation
Mercury Removal
Scrub column
Refrigeration
EthanePropaneRefrigerant Make up
LNG
Field condensate
N2 Rejection
Field Facilities
PipelineReception
Acid GasRemoval Fuel gas
Fuel gas
Mercury Removal
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5Qatar LNG Site plan
Rasgas
Qatargas1,2,3
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6EXISTING QGI LNG PLANT
EXISTING SLUG CATCHER
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7EXISTING QGI LNG PLANT
EXISTING SLUG CATCHER
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8EXISTING QGI LNG PLANT
Evaporator MR/C3
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9EXISTING QGI LNG PLANT
New Evaporator MR/C3
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10QGI EXISTING LNG PLANT
EXISTING SLUG CATCHER
LNG TRAIN - GAS TURINE EXHAUST- MCHE
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11EXISTING QGI LNG PLANTEXISTING SLUG CATCHER
EXISTING BOILERS AND GTGS
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12EXISTING QGI LNG PLANT
EXISTING FLARE STRUCTURE
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13Ras Laffan Port
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14EXISTING QGI LNG PLANT
EXISTING LNG LOADING LINES
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15EXISTING QGI LNG PLANT
BERTH 2 RG
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16EXISTING QGI LNG PLANT
LNG TANK 3
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17EXISTING QGI LNG PLANT
JETTY
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18EXISTING QGI LNG PLANT
BERTH 3
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19EXISTING QGI LNG PLANT
CONDENSATE STORAGE QG
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20RG CONDENSATE STORAGE
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21QGI EXISTING LNG PLANT
CONDENSATE JETTY
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22QGI EXISTING LNG PLANT
SULPHUR STORAGE
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23QGII Development Project – Main Features
Qatargas II (QG II ) Owner JV: 70% QP ; 30% EM
QGII Integrated project Offshore production platforms and pipelinesOnshore gas treating and LNG facilitiesLNG shipsLNG receiving terminal in the UK
Overall QGII Project Design Basis Wellhead Gas: 3000 MSCFDFOB LNG: 15.6 MTACondensate: 120 000 BLDPropane: 1 MTAButane: 0.7 MTA
QGII MILESTONESEPC unpriced proposal : August 31st 2004EPC priced proposal : November 8th 2004EPC Contract Award: December 15th 2004First LNG Delivery – LNG Train 4: January 2008
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24Record LNG Train Size
ExxonMobil Others
Trinidad
0
2
4
6
8
10
‘78 ‘89‘82 ‘97 ‘99 ‘03 ‘05 ‘06 ‘07 beyond ‘07‘72‘64
Cap
acity
per
Tra
in (
MTA
)
QG II ExcludesCondensate
And LPG
Egypt
Rasgas
1/2
Rasgas
3
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25QGI 1 & QG II LNG Site plan
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26QATARGAS II LNG PLANT BLOCK DIAGRAM
Non AssociatedNatural Gas
C5+ Gasoline
LNG
Non AssociatedNatural Gas
C3C4
SulfurRecovery
Liquefaction
Field Facilities
Non AssociatedNatural Gas
LNG Storage Loading
Fractionation
Dehydration
Condensate Treatment
Mercury Removal
NGL Extraction
Refrigeration
EthanePropaneRefrigerant Make up
LNG
condensate
N2 RejectionPipelineReception
Acid GasRemoval Fuel gas
C5+
Condensate Stabilization
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27EPC Split of Work
JV Composition: 60% Chiyoda ; 40% TechnipChiyoda is leader
Chiyoda LNG TrainsSulphur recovery
TechnipInlet Facilities UtilitiesOffsites (flare)Offplot (storage tanks and loading )
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28QG II LNG Site Plan & Work Split
CHIYODA
TECHNIP
LNG Berth N°4
Qat
arga
s1,
2,3
Ras
gas
Seaw
ater
cha
nnel
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29QGII Train 4 3D View
Qatargas
1,2,3
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30
3
Plot Plan for Process Area
Ref/Liquefaction
C3/C4 TreaterFractionation
AGR
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31
3
Plot Plan for SRU
For Future Expansion
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32
3
Overall Plot Plan for Train-4~7
Tr- 4
Tr- 5Tr- 6
Tr- 7
SRU forTr- 4/5
SRU forTr- 6/7
Utility for Tr- 4/5Utility for Tr- 6/7
FCWFor
Tr- 4/5
FCWFor
Tr- 6/7
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33QGII- Technological features
Technological featuresAPCI AP-X Liquefaction ProcessesA complex train design with
High energy efficiency – heat recovery on GT exhaustsC3+ NGL recovery (Ortloff Score process)Gas phase removal of mercaptan sulphurLarge electrical motors for power transfer and pressurized refrigerant compressor start up
GE Frame 9 Gas turbine driversAbnormally large utilities and offsites
Cooling waterFlare
Sulphur recovery 99.25%
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34APCI AP-X Process
1
2 3
3 refrigerant cycles each with GE Frame 9 driver
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35
Air Products and Chemicals AP-XTM Hybrid Process
LIQUEFACTIONAND SUBCOOLING
SWEETLEANGAS
LNG
DEHY SCRUBCOL.
MAINEXCHANGER
(SWHE)
AP-XTM HYBRID CYCLE
NITROGENREFRIGERATION SYSTEM
COMPANDERS
E C
PROPANE CHILLING& SMALL EXPANDER
COLD BOX NITROGENRECYCLE
COMPRESSOR
SUB-COOLER(SWHE)
LNG FLASHDRUM
MIXED REFRIGERANT (M.R.) COMPRESSORS
PROPANE COMPRESSOR
PROPANE CHILLERS
PRE-COOLING:PROPANESYSTEM
• New refrigeration process required for larger train capacities
–Extension of Existing Technology
–Combines LNG and Air Separation Technologies
–Uses Two Spiral Wound Heat Exchangers (SWHE)
• Three refrigeration services–Propane (45oC to -30oC)–Mixed hydrocarbons (-30oC to -
114oC)–Gaseous nitrogen (-114oC to -
160oC)• New process + large capacity =
large refrigeration requirement–275 MW of power required for
7.8 MTPA of lean LNG + .85 MTPA of LPG
–Current technologies require 150 MW for 4.7 MTPA Train of rich LNG
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36QGII Onshore Plant Layout
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37APCI AP-X Process: Spoolwound exchangers
Helically wound 10mm tubesAll aluminium constructionLow technological risk despite new configurationTwo exchangers in series for LNG condensation (against MCR) and subcooling (against N2)
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38QGII Block diagram – Train 4
NaturalGas
Reception/Slug catcher*
Sulphurrecovery
Tail gastreatment
De H2O De RSH
NGLrecovery
Gasoline
Fractionation
Condensate*
Stabilization*
MS Regen.
Sulphur*
Butane*
Propane*
Rich LNG*
Lean LNG*Liquefaction
(MR)
Subcooling(N2)
Precooling(C3)
GE 9 K
HRSG200t/h
GE 9 KGE 9 K
HRSG200t/h
Boiler*4x240t/h
HP steam users
Power from QG
El. users
Power plants & Client
development
Gas plants e.g.
OGD3
Industrial gasesRasgas 3
Flare (~NLNG)
VFD Motor/gen. 45MW
AGR
CW (~Omifco)
2x37MW
“ELICS”
But all of the new features have references or parallels in other
industries or LNG projectsSTG*2x175t/h
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39New – GE Frame 9E in Mechanical Drive
275 MW Total Refrigeration Power Required3 GE Fr 9 GT’s per train
Frame 9E • Scale-up of Frame 7• 130 MW ISO• 210,000 kg package• 50,000 kg rotor• 350 Power Generation service
since 1979• 4 in Steel Mill service since
1998
Customized for LNG Service• Speed range 96%-102%• Continuous duty, base load• Extended maintenance
intervals with ExtendorKitTM
• Meets Qatar environmental requirements using DLN1
Frame 9E Incentives• High Power - 100 MW site rating (49oC day)• 3000 RPM - better compressor speed match• Flat LNG production
Motor/Generator• 45MW• 60MW during peak• C3 & N2 send power to MR
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40Flare
QGIIFive flare tips at one location
2x60” (two dry flares in parallel)2x66”1x72”
200m elevation
QGIFour flare tips at one location
44”2x52”24”
140 m elevation