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@ Pup comment
" Even in Saudi, you cannot just place a phone call and have a huge jump in production just like that, and also once the production ramps up, it takes a long time, at least six weeks, for it to show up in somebody's inventory. Nothing takes a month "
the totality of Saudi production is controlled from a single center in Dhahran
it has a double layer of security ,and is probably the most important control room in the world
this is an Instrument tech Mecca , check the link it's eye opening
http://www.saudiaramco.com/content/dam/ ... igWall.pdfthe Saudi can ramp up production in a matter of days but there are consequences
any increase in extraction is bad for the wells ,
Aramco has sea water injection for the low pressure fields , that's a limitation
another is the "bucket line " problem , like in a barn fire
this crude will quickly fill up the local storage , tankers have to be found to remove it
if tankers are used for offshore storage , then they are taken out of the supply chain
those tankers , the big VLT , are busy
a rough rule of thumb is that half of them are full on the outward journey
they also are under contract or often belong to national companies
which might have other ideas
the IEA has a change in world storage number , including oil in transit
so while the Saudi's can pump more oil very fast , the change at the pump take time
the change on the crude future market is of course much faster