Crude oil futures edged up on Monday on ample supply concerns and reach agreement on the Greek debt expected act on the market, the US short-covering before the month crude contract expires boost oil prices.

The consequences of the Greek debt crisis may occur initially concerns also weighed on the oil market, crude oil services companies to offset the positive impact Genscape said Cushing crude oil inventories fell for the oil market provides. Oklahoma Cushing is the delivery point of US crude oil futures contract.

New York time at 13:30 on June 22 (Beijing time on June 23 日 2:30), NYMEX July crude oil futures contract closed up $ 0.07, or 0.1 percent, to settle at $ 59.68 a barrel.

The July contract closed on Monday due. Trading was more active in the August crude contract closed up $ 0.41, or 0.7 percent, to $ 60.38 a barrel.

August Brent crude oil futures contract closed up $ 0.32, or 0.5 percent, to $ 63.34 a barrel.

US oil prices have been hovering for weeks near $ 60 a barrel. Spot market more than many analysts had expected weak against the expectations of some investors on oil prices rebounded in the summer.

"The second quarter of 2015 (the market) to calm down, no bright spots," Energy Powerhouse brokerage firm said in a report. "Oil has entered Manniu pattern, waiting for the other shoe to drop."

Many crude oil cargo at the Atlantic coast searched buyers, show sluggish demand. Morgan Stanley said in a report, crude oil demand is usually more vigorous in the summer, when the refinery will be high-speed operation, therefore, when a slowdown in refinery activity, depressed oil prices indicates that demand is a worrying sign.

Greece on Monday submitted a new reform proposals, obtain a cautious welcome to the euro-zone finance ministers. But the Eurogroup expressed the need for careful study suggested it could take several days to determine whether it can reach an agreement.

Greece urgently needed International Monetary Fund (IMF) funds to repay maturing loans on June 30, or they will default.

Despite the rebound in oil prices, but many analysts and traders in the oil market short-term outlook remains pessimistic.

"The oil market is still very bearish, especially gasoline. Today, the market rebounded just because of some nervous individual investors covered short of it," Energy Management Institute senior partner Dominick Chirichella said.

Gasoline futures fell more than 1 percent, from nearly eight-month highs hit last week, led by the oil City.

As of June 12 the week, US gasoline inventories unexpectedly increased by nearly 50 million barrels a day. US crude oil output remained at a high level in the 1970s, is about 960 barrels per day.

"The biggest supporting factor is the rise in US crude oil market. However, the market worried about the recent gasoline might produce too much, and the crude oil market as in the case," Kronenberg Capital Advisors of Matthew Perry said.

July gasoline futures fell 1.4 percent to $ 2.0297 a gallon, due to concerns about oversupply.

Because inventories unexpectedly rose last week, gasoline futures fell 2.9%.

July futures contract closed diesel rose 0.1 percent to $ 1.8694 per gallon.