I think you are confusing the "oil price" with some niche producer(s) desperately gambling to keep a well open because they know once it's closed it's over.
And the Canadian Sands shit needs I think something like $50 a barrel to break even; like Venezuela they have to use dilutents to make it even viable.
As for the rest of them, they are still bringing in some money, although not enough to keep the Putin and raghead savings accounts topped up.
China is probably building storage like it was building "hospitals", because this is a great opportunity to stock up at bargain basement prices.
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