Dan, Oil revenues will go to the Central Bank. The way this Central Bank works is that grubby hands have dirtied it's functions.
It is good news of course for this agreement, and the wonder will be it's honouring. Not sure with the battle raging if the Houthi will stay to the west of Sanaa in land out to Hodeiduh. If not maybe the Marib pipeline to Ras Isa could start to be repaired. Ho Ho Ho.