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andreasen_et_al_2020.pdf (969.22 kB)

Revealing Hidden Debottlenecking Potential in Flare Systems on Offshore Facilities Using Dynamic Simulations -- a Preliminary Investigation

preprint
revised on 05.07.2020 and posted on 06.07.2020 by Ana Xiao Outomuro Somozas, Rudi P. Nielsen, Marco Maschietti, Anders Andreasen
Three flare systems are modeled and total plant depressurization is investigated using dynamic simulations in order to access the debottlenecking potential. Usually steady-state simulation of the flare network is used for sizing and rating of the flare system. By using dynamic simulations effects from line packing in the flare system can be studied. The results show that peak flow during a dynamic simulations is significantly lower than the peak flow used in a steady-state case.
The three systems investigated span a wide range in flare system size, both in terms of number of process segments disposing into the flare network, in terms of peak design rate and the flare network pipe dimensions and total hold-up volume. Generally, it is observed that the larger the flare system, the larger debottlenecking potential.

History

Email Address of Submitting Author

anra@ramboll.com

Institution

Ramboll Energy, Field Development

Country

Denmark

ORCID For Submitting Author

0000-0003-0475-323X

Declaration of Conflict of Interest

No conflict of interest

Version Notes

Accepted for publication in Journal of Loss Prevention in the Process Industries. DOI for final published paper to be added when available.

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