"If the downtrend in oil inventories is maintained, then a bullish case can be made for oil, especially given the ongoing supply restrictions from OPEC and Russia," he added.
The weekly rollout of data on U.S. inventories starts later on Tuesday, giving the market a chance to see if the recent downward trend in U.S. crude stocks is continuing.
Industry group the American Petroleum Institute will publish statistics on crude inventories and refinery operations for last week at 4:30 p.m. EDT (2030 GMT).
On Wednesday, it will be the turn of the U.S. government's Energy Information Administration.
U.S. crude inventories are expected to have fallen for an eighth straight week and drop by 3.4 million barrels, a Reuters poll shows.
"Another decline in U.S. crude stocks may push prices somewhat higher again, but the upside may be limited — especially if U.S. crude production ticks higher again," said Hans van Cleef, senior energy economist at ABN AMRO Bank N.V. in Amsterdam.
The Organization of the Petroleum Exporting Countries and non-OPEC producers including Russia have pledged to hold back around 1.8 million bpd of output between January this year and March 2018 in order to tighten supplies and prop up prices.
Oil prices found extra support from news that Libya's Sharara oilfield, the country's largest, shut on Tuesday just hours after reopening following a three-day pipeline blockade.