Yamal LNG: Meeting the Challenges of Natural Gas Liquefaction … · 2019-10-16 · ITV ....
Transcript of Yamal LNG: Meeting the Challenges of Natural Gas Liquefaction … · 2019-10-16 · ITV ....
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Yamal LNG:
Meeting the Challenges of Natural Gas
Liquefaction in the Arctic
Christopher Ott
Lead Process Engineer
Air Products and Chemicals, Inc.
JSC Yamal LNG: Igor Chasnyk, Sander Kaart
Yamgaz / TechnipFMC: Christian Bladanet,
Benoit Laflotte, Guillaume Le-Ridant,
Benoit Delva
Baker Hughes, a GE Company: Oriano Zucchi
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Yamal LNG
• Yamal Peninsula, Russia
• South Tambey Field
– 926 BCM (32.7 TCF)
• 16.5 mtpa LNG
– 3 trains x 5.5 mtpa
– 1.2 mtpa gas condensate
• JSC Yamal LNG
– Novatek, Total, CNPC, Silk Road Fund
• Yamgaz
– TechnipFMC, JGC, Chiyoda
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Challenges
• Arctic Conditions
– -50°C Ambient Temperature
– Pile based foundation
– Permafrost preservation
– Modular construction in 10
fabrication yards
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Liquefaction Project
• TechnipFMC Cryomax® – SRE
NGL extraction process
• Air Products AP-C3MR™
liquefaction process
• Baker Hughes, a GE Company
Frame 7 gas turbines, propane
and MR compressors
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NGL Extraction
TechnipFMC Cryomax® – SRE NGL extraction process
• Lean feed gas
• Remove C5+ and aromatics
• Recover C2 and C3 refrigerant
• Boost feed gas to 70 barg for
liquefaction
• Faster commissioning and
start-up
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Liquefaction
Air Products’ AP-C3MR™ liquefaction process
• Air Products
– Over 120 CWHEs for LNG
– Over 90 operating LNG trains
• Largest capacity C3MR to date
– Largest diameter CWHE
– Largest single bundle weight
• BHGE for Air Products liquefaction processes
– 60+ operating LNG trains
– 80+ Frame 7 gas turbines
– 220+ compressors
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Compressor and Driver Arrangement
• Two gas turbine drivers
• Wide ambient temperature
range
• Variable Precooling and MR
power demands
C3 HPMR
LPMR MPMR
Max Power
Cold Ambient
Warm Ambient
C3
LPMR
Max Power
HPMR
MPMR
C3 HPMR
LPMR MPMR
Max Power
Design
C3
LPMR MPMR
Max Power
Design
HPMR
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Compressor and Driver Arrangement
2 x 50% Machinery Configuration
• Fully utilize gas turbine
power
• Improved plant availability
• Higher turndown
C3HelperMotor
LPMR HPMR
C3HelperMotor
LPMR HPMR
String A
String B
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Refrigerant Turbocompressor Technology
• Compressor Characteristics
for 50% Flow
– Shorter bearings span
– Increased shaft stiffness
– 30% smaller nozzle size
C3HelperMotor
LPMR HPMR
C3HelperMotor
LPMR HPMR
String A
String B
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Refrigerant Turbocompressor Technology
Compressor Design
• Referenced Designs for
– Casings
– Impellers
– Bearings
– Dry gas seals
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Refrigerant Turbocompressor Technology
Aerodynamics
• 2 x 50% machinery
– Well Centered Operating Points
• Tip Mach Number
• Flow Coefficient C3
HelperMotor
LPMR HPMR
C3HelperMotor
LPMR HPMR
String A
String B
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2 x 50% Machinery Operation
Propane
• Liquid quench
• Inlet throttling valves
• Cross-connection
C3 Helper
Motor LPMR HPMR
String B
Liquid Quench
Cross Connection
ITV
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2 x 50% Machinery Operation
Mixed Refrigerant
• Cross-connection
• Inlet throttling valves
C3 Helper
Motor LPMR HPMR
String B Cross Connection
ITV
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Commissioning
• Maximize pre-commissioning
in fabrication yards
– High pressure leak tests
• Insulation to maintain warm
defrost gas
– Warm air / nitrogen used
during construction phase
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Plant Start-Up, Initial Operation and Performance Test
• Train 1 – November 2017
• Train 2 – July 2018
• Train 3 – November 2018
• 1 year ahead of schedule
• End of 2018
– 113 LNG cargoes
– 8.5 million tonnes of LNG
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The record breaking success of Yamal LNG is the result of
close collaboration between all of the project partners