Oil prices fell 4 percent on Friday, with Brent down a third straight week, as record high U.S. crude stockpiles intensified worries that a plan to freeze world output will do little or nothing to reduce massive oil supplies already in the market. A slide in the U.S. equity markets, which have for weeks been trading in tandem with oil, also weighed on crude, traders said. [.N] Brent crude settled $1.27, or 3.7 percent, lower at $33.01 a barrel. U.S. crude lost $1.13, also finishing 3.7 percent lower at $29.64. Even data from industry firm Baker Hughes showing the U.S. oil rig count at its lowest since December 2009 after nine straight weeks of declines failed to […]