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REUTERS

Oil prices rose slightly on Wednesday as investors covered short positions after a rise in US crude inventories was not as massive as many had feared, while petrol (gasoline) futures jumped 4% after a surprise decline in inventories of the fuel.

 

US crude stocks rose by 13.8 million barrels in the week to 3 February as refineries cut output, while petrol stocks decreased, the Energy Information Administration said.

 

The surge in crude stocks did not shock the market, since preliminary data from the American Petroleum Institute (API) late on Tuesday showed an even bigger increase.

 

"A lot of the downside was already priced in," said Rob Haworth, senior investment strategist at US Bank Wealth Management.

 

"In the near term, this is going to become a technical game of price levels and where speculators are going to capitulate. If we start to get through the lows of January, that could force some speculators to retrench their position."

 

Hedge funds and other speculators raised their net long US crude futures and options positions in the week to 31 January to the highest level on record, data showed on Friday.

 

"The crude oil inventory build was really terrible for the market but the market does not seem to care because the products inventories were better than expected and are dragging crude oil prices up with it," said Andrew Lipow, president of Lipow Oil Associates in Houston.

 

Petrol futures settled 4.4% higher at $1.5527 a gallon after EIA data showed the surprise decline in inventories after five straight weeks of increases.

 

The US petrol crack spread, a key measure of refiner margins, jumped as much as 25%, the biggest daily percentage gain in nearly a year.

 

Still, analysts said the petrol market remained oversupplied.

 

"Prompt (US East Coast) gasoline cracks continue to sell off and the contango in US gasoline futures is deepening, reflecting the likelihood that the overhang will be carried into the summer months," Energy Aspects said in a note.

 

Brent crude futures settled at $55.12 per barrel, up 7 cents or 0.13%.

 

US West Texas Intermediate (WTI) crude rose 17 cents, or 0.33%, to settle at $52.34 a barrel.

 

Analysts said prices could be volatile as higher US crude supplies offset output cuts by Opec and other producing nations.

 

Oil prices came under pressure early as Reuters calculations showed China's 2016 oil demand grew at its slowest pace in at least three years.