SINGAPORE Oct 24 (Reuters) - Condensate tumbled in the Asia-Pacific crude market after Taiwan bought a cargo at the widest discount in at least four months as naphtha cracks slid. Taiwanese refiner CPC Corp likely bought in its tender a cargo of North West Shelf (NWS) condensate for early December loading at a discount of around $5.30 a barrel to dated Brent, traders said. Asian buyers are treading cautiously as naphtha cracks are hovering at their lowest in 15 months while petrochemical margins continued to weaken, traders said. Around six cargoes of NWS condensate for November-December loading are available while Trafigura could re-sell a December loading Bayu Undan. Inpex could also have a Senipah condensate cargo for December. Petronas has sold its November Senipah together with some crude at an unknown price, a trader said. * TENDERS - Vietnam's PV Oil has offered 400,000-barrel cargo of Bunga Kekwa crude and another 400,000-barrel cargo of Bunga Orkid crude, both for December loading, traders said. The Bunga Kekwa cargo will load on Dec. 16-22 and Bunga Orkid on Dec. 25-31. Both tenders close on Oct. 26 with bids valid until Oct. 28. - Taiwan's CPC Corp issued on Monday a tender seeking sweet crude for December loading, traders said. The tender will close on Oct. 25 with bids valid until Oct. 27. - Petronas could issue soon a tender to sell 250,000 barrels of Muda condensate for December loading. The producer has sold Tapis and Labuan via tenders last week. It remained unclear which other Malaysian crudes are available for December as the producer is still assessing its refineries' needs. * TRADE - Murphy Oil has sold 300,000 barrels of Kidurong crude for December at a premium lower than $6.50 a barrel to dated Brent. * EFS - Front-month Brent/Dubai Exchange of Futures for Swaps (EFS) for December fell 16 cents from Friday to $5.20 a barrel. - For a graphic of the Brent/Dubai EFS curve, click here: here * MARKET NEWS - Japan's crude oil imports fell 4.4 percent in September from the same month a year earlier, while liquefied natural gas imports rose more than 10 percent for the fifth straight month as gas-fired power generation has surged following the March earthquake, the Ministry of Finance said. - Vietnam's crude oil exports fell 41.7 percent in September from the month earlier to 531,000 tonnes (129,000 barrels per day), the steepest drop in a quarter, Vietnam Customs said. - India-focussed Essar Energy's Vadinar refinery will stabilise at an enhanced capacity of 375,000 barrels per day (bpd) by end-March, the company said in a statement. * REFINERY MARGINS - Complex processing margins for Dubai in Singapore were around $8.42 per barrel, down from an average of the last five days of $9.72, Reuters data show. Over the last year, the average margin has been around $7.98 per barrel. * CRACK SPREADS - Fuel oil's November crack narrowed 35 cents to a discount of $3.69 a barrel to Dubai crude. - Gas oil's November crack rose 37 cents to a premium of $17.92 a barrel to Dubai crude. - The naphtha CFR Japan front-month crack widened 61 cents to a discount of $12.06 a barrel to Brent. * OUTRIGHT PRICES - December ICE Brent LCOc1 was at $109.93 a barrel at 0830 GMT, up 43 cents from Friday. (Reporting by Florence Tan and Risa Maeda; Editing by Alison Birrane)

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