SINGAPORE, Feb 10 (Reuters) - Abu Dhabi National Oil Company's (ADNOCs) benchmark grade, Murban, is expected to start trading at slight premiums next week on strengthening gas oil premiums, traders said. No deals were heard transacted for April-loading cargoes, but traders expect to see transactions at a premium of 3 to 5 cents to the ADNOC official selling price (OSP). "There is a bit of a split in the market for Murban price ideas at the moment, one side sees an oversupply of light grades, and then there are those who feel that the strength of gas oil is firmly supporting these barrels," a Singapore-based trader said. * EFS - Front-month Brent/Dubai Exchange of Futures for Swaps (EFS) for March DUB-EFS-1M eased 34 cents to $3.05 a barrel. * OMAN ASSESSMENTS - April Oman traded on the DME was valued at a premium of $1.91 cents to Dubai swap quotes at 0830 GMT, using the settlement price for DME futures, the ICE one-minute marker for Singapore and the Brent-Dubai EFS as calculated by Reuters. * MARKET NEWS - Global oil demand will grow by less than 1 percent in 2012, the International Energy Agency (IEA) said on Friday, cutting its oil growth demand forecast for a sixth consecutive month, citing a weak global economy. - Asian refiners are seeking additional crude from top exporter Saudi Arabia in a scramble to secure supplies to feed rising energy demand, as depending on Iran becomes increasingly difficult due to tighter sanctions. - China's Sinopec Corp 0386.HK has agreed to increase Saudi crude oil imports under a 2012 term contract from last year's 800,000 barrels per day, Chinese industry officials told Reuters. - Iran's seaborne trade is withering as sanctions are stepped up against the Islamic Republic, freezing bank finance and deterring many international trade and shipping companies from getting involved in deals, industry sources say. * REFINERY MARGINS - The complex refining margin for Dubai in Singapore was $9.11 per barrel, down from an average of the last five days of $10.13, Reuters data show. Over the last year, the average margin has been $8.14 cents per barrel. * CRACK SPREADS - Fuel oil's March crack was weaker at a discount of $3.05 a barrel to Dubai crude. - Gasoil's March crack eased 48 cents to a premium of $17.71 a barrel to Dubai crude. - Naphtha's front-month crack strengthened 52 cents to a discount of $5.51 a barrel to Brent crude. * OUTRIGHT PRICES - March ICE Brent was at $117.79 a barrel by 0830 GMT, up 20 cents from the previous session. - April Oman was trading at $116.65 by 0830 GMT, up 63 cents from the previous session.

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