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Summary Rising tensions in the Middle East has pushed oil prices sharply higher over the past three weeks.
Crude rose $2.66, about 3 percent, to $92.53 per barrel Thursday afternoon, crossing above $92 for the first time since late May. The price has risen about $15 per barrel since oil hit its low for the year three weeks ago.The oil market, responding to a series of events in recent days, is concerned once again that Iran will try to block oil shipments through the Strait of Hormuz, a narrow waterway in the Persian Gulf through which one-fifth of the worlds oil travels every day.On Wednesday, Israel blamed Iran for an attack on Israelis in Bulgaria and vowed to strike back. In the past few weeks, talks between Iran and the West over its nuclear program have failed, a U.S. Navy ship fired on a boat in the Persian Gulf and Iran has said it has devised a specific plan to block oil shipments.Its raised the fear quotient, said Tom Kloza, chief oil analyst at the Oil Price Information Service.If oil buyers worry that oil will soon be in short supply, they buy oil futures contracts to lock in the price as insurance against future price spikes. Those purchases drive up benchmark oil prices and can eventually lead to higher prices at the pump.Brent crude, which is used as a benchmark to price the oil used by most U.S. refineries, has jumped 22 percent in about a month. On Thursday Brent was up $2.63 to $107.76. Brent hit a low of $88.49 on June 22.Brent would be most affected by a disruption in the Middle East because it is used to price seagoing crude that competes with crude shipped through the Persian Gulf. Also Brent, which is priced in London, has been pushed higher by lower oil production in the North Sea.Further crude price increases are possible over the next few weeks, but the rise wont likely be dramatic or long-lived. The growth in global demand for oil has weakened in recent months as the economies of the West have sputtered and Chinas economic growth has slowed.And oil supplies remain high because output has risen in Saudi Arabia, Libya, the U.S. and elsewhere.
