oil futures edged higher tuesday trading around multiyear highs with support tied to expectations supplies will remain tight west texas intermediate crude for december delivery cl00 clz21 rose 25 cents or 03 to 8401 a barrel on the new york mercantile exchange the us benchmark traded at a sevenyear high above 85 a barrel on monday before ending the day unchanged december brent crude brnz21  the global benchmark was up 13 cents or 02 at 8612 a barrel on ice futures europe after closing at a threeyear high monday january brent brn00 brnf22  the most actively traded contract rose 22 cents or 03 to 8539 a barrel a softer tone during monday’s session was tied by some to speculation about the potential revival of talks on the iranian nuclear accord though no official announcements have been made noted carsten fritsch commodity analyst at commerzbank meanwhile the focus remains on tight crude supplies russia’s deputy prime minister alexander novak on monday said he expected the organization of the petroleum exporting countries and its allies known as opec next week to agree to raise output by another 400000 barrels a day in november in line with the timetable agreed earlier this year a reluctance by opec to boost production beyond its existing plans has been cited as a factor behind crude’s fall rally meanwhile naturalgas futures ng00 pulled back down 13 at 5822 per million british thermal units after jumping nearly 12 monday following a forecast from the national oceanic and atmospheric administration predicting colderthannormal conditions for most of the us southeast and midwest during the first week of november naturalgas prices are “being driven up by forecasts of lower temperatures in the coming two weeks and the expectation of higher lng exports now that maintenance work has been completed at a number of liquefaction facilities” fritsch wrote “both are likely to increase demand for us natural gas and result in a decline in us natural gas stocks which shortly before the start of the heating season are 4 below the average level of the years 201620”