* Saudi troops enter Bahrain to support Sunni government
* Japan fuel needs after quake support distillate futures
* Coming up: API oil data at 4:30 p.m. EDT Tuesday (Recasts, updates with settlement prices and market activity)
By Robert Gibbons
NEW YORK, March 14 (Reuters) - Crude oil prices were little changed on Monday in volatile trading, as Middle East unrest and stronger distillate futures on expectations quake-ravaged Japan will import fuel to cover for refining shutdowns offset concerns for slowed economic activity.
News that Saudi Arabia sent troops into Bahrain to help respond to protests by the Shi'ite Muslim majority opponents of the Sunni ruling family helped pull oil off early lows.
Also providing support were strong distillate futures that were lifted by expectations that Japan will need to import fuel to cover lost refining and nuclear power generation capacity.
Global markets came under pressure earlier due to the catastrophe in Japan as oil demand in the world No. 3 energy consumer was expected to fall in the short- to medium-term as economic activity stalls and a third of its refining capacity was shut following the quake.
Brent crude futures for April delivery <LCOc1> fell 17 cents to settle at $113.67 a barrel, bouncing off its $111.16 low trade.
U.S. crude futures for April delivery <CLc1> rose 3 cents to settle at $101.19 a barrel, after falling to a $98.47 low.
"Japan's demand is expected to be way down in the near- to medium-term. But Saudi troops in Bahrain and fighting in Yemen and Libya bounced crude off their lows," said Phil Flynn, analyst at PFGBest Research in Chicago.
MIDDLE EAST UNREST
About 1,000 Saudi soldiers entered Bahrain, according to a Saudi official source. Opponents of the Sunni ruling family in Bahrain called the move a declaration of war. [
]The United States does not consider the Saudi forces entry into Bahrain an invasion, the White House said. [
]In Yemen, neighbor country to Saudi Arabia, heavy gunfire was heard south of the capital and soldiers deployed in Sanaa itself, with a new wave of rallies reported across the country demanding President Ali Abdullah Saleh quit. [
]Muammar Gaddafi's troops continued to make advances as they battled rebel fighters for control of the strategic oil town of Brega and France stepped up efforts to persuade world powers to impose a no-fly zone over Libya. [
]More than half of Libya's 1.6 million barrels per day oil output has been shut in due to the unrest.
JAPAN'S EMERGENCY FUEL NEEDS
U.S. heating oil <HOc1>, ICE gas oil and natural gas futures were supported by the expected increase in imports required by Japan to cover lost oil refining and nuclear power generation capacity. <NEWOILOIL> <NGc1> [
]U.S. Gulf Coast jet fuel and ultra-low sulfur diesel differentials to the benchmark heating oil futures contract rose more than a penny per gallon on expectations of boosted exports to Japan. [
]JAPAN'S NUCLEAR WOES
Japan scrambled to avert a meltdown at a stricken nuclear plant after a hydrogen explosion at one reactor and exposure of fuel rods at another only days after a devastating earthquake and tsunami. [
]Nuclear fuel rods at one of the quake-stricken units were exposed for a second time, local media said, quoting the plant's operator, Tokyo Electric Power Co <9501.T>, increasing the risk of a meltdown and a higher level of radiation leak. [
] <^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Factbox on Japan quake tears through commodity, energy sectors: [ ] SPECIAL REPORT-Can Japan find "New Deal?" [ ] Quake to hit Japan economy, lift debt [ ] Nuclear incident scale: http://r.reuters.com/cag58r Map of reactors: http://r.reuters.com/dyf58r ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^> (Additional reporting by Ikuko Kurahone in London and Alejandro Barbajosa in Singapore; Editing by Marguerita Choy)