Oil prices climbed on Thursday, hovering near seven-month highs, as investors gauged whether U.S.-Iran talks could avert a military conflict that risks supply disruptions, though gains were capped by a build in U.S. crude inventories. Brent futures were trading at $71.12 per barrel, up 27 cents, or 0.3%, at 0123 GMT. WTI futures rose 23 cents, or 0.4%, to $65.65. Brent gained 8 cents on Wed