Questioned about whether the cartel would seek to roll over its daily output target, Angolan Oil Minister Jose Maria Botelho de Vasconcelos said it was likely.
"We are producing about 30 million barrels (per day). I think we will take the decision to maintain the situation," he told journalists at the start of the meeting in Vienna, where the cartel is headquartered.
He also expressed satisfaction with the current price level, noting: "USD 100 per barrel is good."
Kuwait's OPEC governor Siham Abdulrazzak Razzouqi also said she expected no change, saying: "We think that the market is very stable."
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The 12-member Organization of Petroleum Exporting Countries, which comprises nations from the Middle East, Africa and Latin America and whose biggest producer is kingpin Saudi Arabia, pumps about 35 per cent of global oil supplies.
But even ahead of the meeting, there were indications that OPEC would leave its oil output ceiling at 30 mbpd, where it has stood since the end of 2011, in line with market expectations.
Even Iran, which in the run-up to the meeting, had pushed for OPEC to lower output, seemed to have joined the consensus.
"I think the current ceiling is logical, rational, reasonable," he said today as OPEC members started their meeting.
"At the closed-door session we will recommend (to member countries) to keep maintaining their production (and) not surplus," he said.
Iran has been hit by international oil sanctions over its controversial nuclear programme which has seen it drop from second to fifth largest OPEC producer in the last two years.
"We dont have any price target, we are following the market," he told journalists.
Ahead of OPEC's ministerial meeting, Brent oil prices stood at USD 101.60 in morning London trade, down 58 cents from yesterday's closing level.
The gathering comes amidst demand worries linked to the fragile state of the global economic growth, especially in top energy consumer China.
Demand is being contained by weak growth in many advanced economies and by the boom of oil and gas production from shale resources in North America.