oops, we (the world) have cut back.
so who will cut how much.?
(at the meeting)
how much must I cut ,says the OPEC members.
Argument. on and on. A lost ship at sea , with no rudder.
end of meeting,
or
some hollow words that all cut 2% and no promise for how long.

either way, same result. Glut.

"so who will cut how much.?"

The highest cost producers will cut until the marginal producers cost is 67$ a barrel. This might be a overshoot on the way down and several perturbations until equilibrium. (Which won't last long -- according to peak oil prediction.)