Brent crude futures were up by 75 cents, or 1.2 percent, to $65.60 by 01:09 GMT, having earlier reached $66.00 a barrel, the highest since January 9. The West Texas Intermediate (WTI) contract was up by 60 cents, or 1 percent, at $59.14 a barrel, after rising to $59.73, the highest since January 10.