Oil costs ascended on Friday on the back of progressing OPEC-led supply cuts and U.S. sanctions against Iran and Venezuela, putting unrefined markets on track for their greatest quarterly ascent since 2009. U.S. West Texas Intermediate (WTI) fates were at $59.68 per barrel at 0559 GMT, up 38 cents, or 0.6 percent, from their last settlement. WTI prospects were set to ascend for a fourth straight week and were on track to rise 31 percent in the initial three months of the year. Brent crude oil futures were up 34 pennies, or 0.5 percent, at $68.16 per barrel. Brent prospects were set for a 1.7 percent week after week gain and a for the week and a 27 percent ascend in the first quarter. For the two fates gets, the first quarter 2019 is the best performing quarter since the second quarter of 2009 when both increased around 40 percent. Oil costs have been upheld for quite a bit of 2019 by the endeavors of the Organization of the Petroleum Exporting Countries (OPEC) and non-associated partners like Russia, together known as OPEC+, who have vowed to retain around 1.2 million barrels for every day (bpd) of supply this year to prop up markets. “Production cuts from the OPEC+ group of producers have been the main reason for the dramatic recovery since the 38 percent price slump seen during the final quarter of last year,” said Ole Hansen, head of commodity strategy at Saxo Bank. U.S. venture bank Jefferies said on Friday the market could be very tight through the second from last quarter of 2019. The value surge triggered a call by U.S. President Donald Trump on Thursday for OPEC to help boost production to lower prices. “Very important that OPEC increase the flow of Oil. World Markets are fragile, price of Oil getting too high. Thank you!” Trump wrote in a post on Twitter. OPEC+ are meeting in June to talk about whether to keep retaining supply or not. OPEC's true head Saudi Arabia favors cuts for the entire year while Russia, which just reluctantly joined the understanding, supposedly is less quick to hold keeping down supply past September. Be that as it may, the OPEC+ cuts are by all account not the only purpose behind rising oil costs this year, with investigators likewise indicating U.S. authorizes on oil exporters and OPEC individuals Iran and Venezuela as explanations behind the flood. Notwithstanding the flooding costs, examiners are communicating worries about future oil request in the midst of stressing signs the worldwide economy may move into a retreat. “The biggest short-term risk to the oil market is likely to be driven by renewed stock market weakness,” said Saxo Bank’s Hansen. Securities exchanges have been unpredictable this year in the midst of indications of a sharp worldwide economic slowdown. “Business confidence has weakened in recent months … (and) global manufacturing PMIs are about to move into contraction,” Bank of America Merrill Lynch said in a note, although it added that “the services sector … continues to expand unabated.” Given the OPEC+ cuts, however, Bank of America said it expected oil prices to rise in the short-term, with Brent prices forecast to average $74 per barrel in the second quarter. Heading toward 2020, however, the bank warned of a recession.