WorldOil New gas turbine improves gas protection in dusty environments Parker Hannifin recently announced the release of its new clearcurrent PRO SP+ cartridge filter at the ADIPEC show in Abu Dhabi. WTI holds near $56/bbl after surging on Saudi cut-extension plea Oil held near $56/bbl after surging the most in almost two weeks as Saudi Arabia’s energy minister said OPEC should announce an extension to supply cuts when it meets at the end of the month. Investors key on geopolitics over crude in Saudi Arabia Investors in Saudi Arabia’s stock market are more concerned with political headlines coming out of Riyadh than oil prices. Oil short-sellers return as doubts loom on OPEC's horizon After bullish bets on Brent crude hit a record and futures surged to two-year highs, hedge funds are pulling back with a sense that the rally reached its limit for now. Wagers on lower prices rose by the most since June as Middle East tensions took a backseat, while uncertainty looms over Saudi Arabia’s push to extend OPEC’s output curbs this month. Oil climbs as Saudi Arabia seeks to dispel doubts over Russia Oil climbed, paring losses earlier this week, as Saudi Arabia moved to dispel doubts over Russia’s readiness to extend output curbs. Saudi Arabia says OPEC should extend cuts in meeting this month Saudi Arabia’s Energy Minister said OPEC and its allies should announce an extension of their output curbs when they gather at the end of this month. U.S. to dominate oil markets after biggest boom in world history The U.S. will be a dominant force in global oil and gas markets for many years to come as the shale boom becomes the biggest supply surge in history, the International Energy Agency predicted. Breakup of Saudi-Russian alliance would collapse crude prices, Citigroup says The Saudi- and Russia-led supply limits that have lifted crude to a 2 1/2-year high must be prolonged for an extended period or prices will collapse, said Ed Morse, global head of commodities research at Citigroup Inc. Hedge funds add bullish oil bets as Mideast's tension heats up Hedge-fund bets on rising Brent crude hit a fresh record as tension in the oil-rich region escalated, sending prices to their highest in more than two years. Saudi Aramco CEO says size of share offering still to be decided Saudi Arabian Oil Co. is still waiting for a decision on how many of its shares will be offered to the public, or where the listing will be made outside of the kingdom, according to CEO Amin Nasser.