 "OPEC officials debate thorny issue of how to implement supply cut")
Oil prices extended declines on Monday after non-OPEC producers made no specific commitment to join OPEC in limiting oil output levels to prop up prices, suggesting they wanted the oil producing group to solve its differences first.
Officials and experts from Organization of the Petroleum Exporting Countries (OPEC) countries and non-OPEC nations, including Azerbaijan, Brazil, Kazakhstan, Mexico, Oman and Russia, met for consultations in Vienna on Saturday and only agreed to meet again in November before a scheduled regular OPEC meeting on November 30, they said in a statement.
London Brent crude for December delivery was down 29 cents, or 0.6 per cent, at $49.42 a barrel by 0229 GMT after settling down 76 cents on Friday.
NYMEX crude for December delivery was trading down 23 cents, or 0.5 per cent, at $48.47 a barrel, after closing down $1.02 on Friday.
"There was a lot of talk and nobody managed to agree on anything. That has been pushing the market down," said Jeffrey Halley, senior market analyst at OANDA brokerage in Singapore.
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The potential tightening of the US presidential race after news of a renewed Federal Bureau of Investigation probe of Democratic candidate Hilary Clinton was also affecting sentiment and putting investors off riskier assets, Halley said.
OPEC and non-OPEC countries said in a joint statement that Saturday's meeting was a "positive development" towards reaching a global output limiting deal on November 30.
Russia expects to increase its oil output by 0.7 per cent next year and a further 0.9 per cent in 2018, the draft federal budget showed.
Crude production is seen at a record-high 548 million tonnes in 2017 and 553 million tonnes in both 2018 and 2019, up from an estimated 544 million tonnes this year, the document showed.
The Cabinet of the United Arab Emirates (UAE) approved a 48.7 billion dirham ($13.3 billion) federal budget for 2017, almost steady from 2016, suggesting UAE authorities remain cautious about spending as low oil prices pressure state finances.
Money managers cut their net long US crude futures and options positions for the first time in five weeks in the week ended October 25, the US Commodity Futures Trading Commission said on Friday.
