SINGAPORE, Sept 20 (Reuters) - Asia-Pacific crude values remained firm, but the strength in benchmark dated Brent may dampen buying interest and lead to narrower differentials later this month, traders said on Tuesday. Murphy Oil Corp is offering Malaysian Kikeh crude via tender for loading in November. The tender for the 600,000-barrel cargo closes on Sept. 21. "Dated Brent is very expensive, so I don't know whether people are willing to pay a high price," a traders said. "Unless you really need some sweet crude for processing, you wouldn't go for this crude." * CONDENSATES Market sentiment was similar for Australian Northwest Shelf Condensate (NWS), as end-users were likely to avoid the grade and instead opt for cheaper Qatari supplies, priced off Dubai crude. Still, once Middle East cargoes ran out because of limited supplies, buyers with specific requirements would be forced back into NWS, a trader said. Five NWS cargoes are available for loading in November, unchanged from October. Values for the grade were notionally assessed at discounts of between $2-$2.30 a barrel, up from discount of about $3.50 for October cargoes. Only one Bayu Undan condensate spot cargo is available for November from ConocoPhillips, said a trader who said values would be about $1 lower than for NWS. The other two were sold on a term basis. * OTHER TENDERS - Malaysian state oil firm Petronas sold Labuan crude at the highest premium since the company switched to benchmark dated Brent for its cargoes earlier this year, as refiners prepare to cover requirements ahead of winter demand. - Petronas sold the 600,000-barrel Labuan cargo for loading Nov. 15-24 at a premium of about $8 a barrel to dated Brent or slightly lower to trading company Mercuria, which would ship the lot into China, a trader said, although this could not be confirmed. * EAST-WEST - The Brent/Dubai Exchange of Futures for Swaps (EFS) for November fell 30 cents to $4.70 a barrel at 0830 GMT, Reuters data showed. The front-month EFS on June 15 touched $9.20, the highest intraday value since the spread reached a record of almost $12 in October 2004. * MARKET NEWS - Rates for crude tankers on key Asian freight routes are expected to hover near this year's lows in the short term as abundant vessel supplies cap gains from heightened trading activity. For clean tankers, rates are seen higher on strong distillates demand in Asia, shipbrokers said on Tuesday. - The call on OPEC producers to supply to the market is expected to remain steady at 30 million barrels per day (bpd) until the end of the year, OPEC Secretary General Abdullah al-Badri said on Tuesday. - Asian prices of liquefied natural gas (LNG) will stay high for at least seven years as Japan turns away from nuclear power and emerging markets boost import capacity to fill unprecedented demand, industry officials said on Tuesday. * CRACK SPREADS - Gas oil's October crack was a slight 3 cents lower at a premium of $17.33, while the November premium was steady at $17.50 a barrel to Dubai crude, down 1 cent. - Fuel oil's October crack narrowed 42 cents to a discount of $5.41 a barrel to Dubai crude, while the November discount was 40 cents stronger at $5.54. - Naphtha's October crack strengthened 20 cents to a discount of $4.86 a barrel, while November discount was 7 cents narrower at $4.33. * OUTRIGHT PRICES - October ICE Brent LCOc1 was at $109.76 a barrel at 0830 GMT, down $1.93 from Monday. (Reporting by Alejandro Barbajosa; Editing by Alison Birrane)

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