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Flexible Combined Heat and Power Systems for Offshore Oil and Gas Facilities With CO2 Bottoming Cycles

Flexible Combined Heat and Power Systems for Offshore Oil and Gas Facilities With CO2 Bottoming Cycles

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Sammendrag
In this work different concepts are investigated for combined heat and power production (CHP) from offshore gas turbines. Implementation of such technology could improve energy efficiency of offshore oil and gas production and lead to reduced fuel consumption and resulting CO2 emissions. Offshore electric power is in most cases generated by gas turbines operating in a simple cycle. However it would be desireable to increase energy efficiency by adding steam or CO2 bottoming cycles to produce power from the exhaust heat. However part of the heat from the gas turbine exhaust is normally used for onboard process heat for the oil/water separation process among others, this must be taken into consideration when estimating capacity for additional power production. Different CHP concepts will be evaluated at different operating conditions while running the turbines in both design and off-design mode The results show that it is possible to produce an additional 6-8 MW of electrical power from a 32 MW turbine(depending on the conditions) while using 15 MW of heat from the exhaust for on-board processing
Språk
Engelsk
Forfatter(e)
Institusjon(er)
  • SINTEF Energi AS / Gassteknologi
År
2014
Forlag
ASME Press
Bok
ASME 2014 Power Conference - POWER 2014 - Volume 2
ISBN
978-0-7918-4609-4