During 1998-2004, National Oil Company has upgraded around 100
gathering stations located throughout the country. The modernization has
replaced the old 'open' system which was based on separation in
non-automatic mode at atmospheric pressure without the recovery of
associated gas, with a 'closed', automated separation system operating at
2-6 bar, with full recovery of the associated gas. The surface of modernized
gathering station is 6-8 times smaller than that of the classical system.
The main equipment in a modern gathering and primary separation station: