SINGAPORE, Sept 26 (Reuters) - The Asia-Pacific crude market rose on Thursday as robust refining margins continue to support demand for sweet grades. * TENDERS - PV Oil sold two 250,000-barrel cargoes of Ruby crude for November at premiums of more than $2 a barrel higher than the previous month, traders said. PV Oil sold the cargoes to SK Energy at a premium of about $4.50 a barrel to dated Brent, they said. The deal could not be confirmed. The cargoes will load on Nov. 9-15 and 23-29. - PV Oil sold 300,000 barrels of Su Tu Den for November at a higher premium than the previous month, sources said. The cargo was sold to a Japanese trader at a premium of about $5.70 a barrel to the Minas formula, one source said. This would be equivalent to about $4.70 a barrel above dated Brent, a second source said, up from previous deals at premiums of about $4 a barrel for September to October delivery to Japan. - Thai refiner and petrochemical firm IRPC bought 1.2 million barrels of sweet crude for delivery in November, a volume steady with the previous month, trade sources said. The refiner bought 600,000 barrels each of Seria Light and Azeri Light crude, they said. Details of sellers and prices were not immediately available. * TRADES - BHP sold a November Stybarrow cargo at a firm premium of above $8 a barrel to dated Brent. The buyer was not immediately known. * MARKET NEWS - Thailand's IRPC Pcl aims to spend $1 billion on boosting its refining and specialty petrochemicals output by 2016, a top executive said, as the firm looks to tap demand for products with high profit-margins. - Talisman Energy Inc will have new crude oil and condensate production coming online in Vietnam and Papua New Guinea in the next two years to meet growing demand in Asia, a company official said. The Canadian company expects to start drilling at the Hai Su Trang and Hai Su Den fields offshore Vietnam in the fourth quarter with crude production to start in the middle of next year, said Paul Blakeley, an executive vice president at Talisman. The field's production will peak at about 15,000 barrels per day (bpd) and its output will be tied to export facilities at neighbouring Te Giac Trang field, he said. In Papua New Guinea, Talisman expects to start Stanley condensate production in 2014, Blakeley said, with about 5,000 bpd produced in the first phase and gradually increased. - Venezuela will hike the amount of oil it is sending to India's Reliance Industries and signed a new 15-year supply contract with the company on Tuesday, the oil minister said. CRUDE Price Prev Change NOV Brent 109.59 110.59 -1.00 NOV Brent/Dubai EFS DUB-EFS-1M 3.44 3.35 +0.09 PRODUCT CRACKS OCT fuel oil crack -5.46 -5.26 -0.20 OCT gasoil crack 19.39 19.31 +0.08 NOV naphtha crack -6.95 -7.53 +0.58 COMPLEX REFINERY MARGINS Today 9.80 Last 5 days 9.36 Last 365 days 7.39

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