Oil costs fell 1% on Monday in Asia after China detailed debilitating imports and fares on the planet’s second-biggest unrefined petroleum buyer.Unrefined petroleum WTI Futures was down 1.1%, at $51.02 a barrel on the New York Mercantile Exchange by 12:37 AM ET (05:37 GMT).In the interim, the worldwide benchmark, Brent Oil Futures for March conveyance additionally shed 1.1% to $59.83.”Unrefined fates were back in the red as exchanging started for a crisp week in Asia, couple with the greater part of the locale’s securities exchanges … (as) China early Monday detailed $351.76 billion exchange surplus in dollar terms for 2018, the most reduced since 2013,” said vitality specialist Vandana Hari of Vanda Insights in a note on Monday.