LONDON :Oil prices were steady on Friday, as trade talk optimism supported the outlook for both the global economy and oil demand, balancing news of the potential for more oil supply from Venezuela. Brent crude futures were up 18 cents, or 0.26 per cent, at $69.36 a barrel at 1049 GMT. U.S. West Texas Intermediate crude futures were up 18 cents, or 0.27 per cent, at $66.21. For the week, Brent was up just 0.1 per cent from last Friday's close, while WTI was heading for a loss of around 1.7 per