Brent crude futures extend gains to $1
NEW YORK Aug 31 (Reuters) - Brent crude extended gains to $1 on Friday ahead of a speech by the U.S. Federal Reserve chairman, amid a weak dollar and the possibility of a strike by Norwegian oil service workers, with North Sea maintenance already due to curb supply in September.
Brent October crude was up 79 cents at $113.44 a barrel at 8:53 a.m. EDT (1253 GMT), after rising to $113.65. (Reporting by Robert Gibbons; Editing by Dale Hudson)
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