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Oil markets edged up in nervous trading on Wednesday ahead of an OPEC meeting later in the day, with members of the producer cartel trying to thrash out an output cut to curb oversupply that has seen prices more than halve since 2014.
International Brent crude LCOc1 was trading at $46.80 per barrel at 0311 GMT, up 42 cents, or 0.91 percent, from its last close.
U.S. West Texas Intermediate (WTI) crude was up 23 cents, or 0.51 percent, at $45.46
a barrel.
Traders said markets were jittery, and that prices could sharply swing either way depending on developments at the Organization of the Petroleum Exporting Countries (OPEC) meeting in Vienna.
Oil dropped nearly 4 percent the previous session over disputes between Saudi Arabia, Iran and Iraq regarding details of the planned cut.
Despite the disagreements, most analysts still expect some form of deal to emerge.
(Reuters)