U.S. West Texas Intermediate (WTI) crude futures CLc1 were at $61.50 a barrel at 0800 GMT, 6 cents above their last settlement. Futures reached $62.21 last week, the most since May 2015.
Brent crude futures LCOc1 were at $67.66 a barrel, 4 cents above their last close. Brent hit $68.27 high last week, the highest since May 2015.
Despite this, U.S. production C-OUT-T-EIA is expected to break through 10 million barrels per day (bpd) very soon, largely thanks to soaring output from shale drillers. Only top producers Russia and Saudi Arabia produce more.
Rising U.S. production is the main factor countering production cuts led by the Middle East-dominated Organization of the Petroleum Exporting Countries (OPEC) and by Russia, which began in January last year and are set to last through 2018.
However, Innes added that Middle East turmoil would remain a key focus for oil markets, which he warned had the potential to “send oil prices rocketing higher”.