Saudi Arabia, Russia could roll curbs into second half of 2018.
BLOOMBERG.COM

OPEC and its allies are discussing extending the oil production cuts that expire in March 2018 by more than three months, potentially bringing them well into the second half of next year, according to people familiar with the matter.
 
An extension of that duration would be needed under the worst-case scenario for the oil market that OPEC ministers are now contemplating, the people said, asking not to be named because the talks were private. One option under discussion is a six-month extension, one person said.

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