Brent crude futures had climbed 13 cents, or 0.3 percent, to $48.90 per barrel by 0643 GMT, after jumping 5.2 percent last week in their first weekly gain in six weeks. U.S. West Texas Intermediate (WTI) crude futures rose 17 cents, or 0.4 percent, to $46.21 per barrel, adding to last week's 7-percent gain.

Russia’s state-controlled oil company is in discussions with Iraqi Kurdistan over helping it develop oilfields in disputed territory at the heart of tensions with Baghdad, in a move that pitches Moscow into one of Iraq’s oldest faultlines.

U.S. Rig Count is up 509 rigs from last year's count of 431, with oil rigs up 415, gas rigs up 95, and miscellaneous rigs down 1 to 0. Canadian Rig Count is up 113 rigs from last year's count of 76, with oil rigs up 77, gas rigs up 37, and miscellaneous rigs down 1 to 0.

The August light, sweet crude contract on NYMEX gained 50¢ on June 28 to settle at $44.74/bbl. The September contract was up 50¢ to close at $44.99/bbl. The NYMEX natural gas price for July gained 3¢ to a rounded $3.07/MMbtu. The Henry Hub cash gas price also gained 3¢ to $3.01/MMbtu. The Brent crude contract for August on London’s ICE increased 66¢ to $47.31/bbl while the September contract climbed 62¢ to $47.54/bbl. The July gas oil contract gained $4.25 to $427.50/tonne. The Organization of Petroleum Exporting Countries’ basket of crudes on June 28 was $44.48/bbl, up 25¢.

OPEC's first output cut in eight years has earned the group $1.64 billion a day so far this year, up more than 10 percent from the second half of 2016, according to Reuters calculations based on OPEC figures for average production and its crude basket price up until June 20.

Brent crude LCOc1 was down 9 cents at $46.56 a barrel at 1033 GMT. It reached a seven-month low of $44.35 on June 21. U.S. crude fell 17 cents to $44.07.

The August light, sweet crude contract on NYMEX gained 37¢ on June 26 to settle at $43.38/bbl. The September contract was up 34¢ to close at $43.61/bbl. The NYMEX natural gas price for July gained nearly 10¢ to a rounded $3.03/MMbtu. The Henry Hub cash gas price was $2.98/MMbtu, up 12¢. The Brent crude contract for August on London’s ICE increased 29¢ to $45.83/bbl while the September contract was up 29¢ to $46.04/bbl. The July gas oil contract dropped $1.75 to $409.50/tonne. OPEC’s basket of crudes on June 26 was $43.14/bbl, down 12¢.

Global benchmark Brent crude futures were trading up 45 cents, or 1.0 percent, at $45.99 per barrel at 0623 GMT. U.S. West Texas Intermediate (WTI) crude futures were up 43 cents, or 1.0 percent, at $43.44 per barrel.

“Prices can go below $40 a barrel given the market is being dictated by sentiment and not fundamentals. There is nothing to stop it right now.”

Brent futures LCOc1 settled up 32 cents, or 0.7 percent, to $45.54 a barrel. U.S. West Texas Intermediate crude (WTI) CLc1 ended up 27 cents, or 0.6 percent, at $43.01 per barrel.