Spencer Welch, director of oil markets at IHS Energy, adds that it is "almost impossible" to keep all major oil producers happy.
OPEC member countries are posturing, but a deal is likely to be made, says David Hewitt at Credit Suisse.
With OPEC deal hopes fading, oil prices have nowhere to go but down ... for now, says John Kilduff.
The RIA news agency says Alexander Novak will be absent from the OPEC meeting on Wednesday.
CNBC's Steve Sedgewick discusses the relationship between Iran and Saudi Arabia, and the likelihood of these countries' interests obstructing an OPEC deal.
Miswin Mahesh, oil market analyst at Barclays, says that the possibility of an OPEC deal at this week's meeting is "still very much up in the air."
OPEC members try to save a deal to help prop oil prices.
Richard Mallinson, geopolitical analyst at Energy Aspects, weighs in on his expectations for this week's OPEC meeting.
The Japanese benchmark closed lower on Monday after seven straight sessions of gains as the yen strengthened and oil prices slipped.
Energy minister Khalid al-Falih says that he believes the oil market will balance itself in 2017 even without intervention.
One of the most unstable countries in the world also happens be one of the fastest growing economies in the world.
Analysts are split on what the news means for the Saudis' goal of securing significant output cuts and reversing a two-year oil price slump.
GOP control of the White House and Congress puts pressure on emerging markets, emboldens U.S. drillers and raises risks for Iran.
Saudi Arabia is pushing for production cuts, but Iran is worried about a more hostile U.S. under Donald Trump, John Kilduff says.
John Kilduff, Again Capital, explains why he doesn't think OPEC leaders will reach a deal on oil output. There is just no way the Iranians are going to agree to this, says Kilduff.
OPEC will debate an oil output cut of up to 4.5 percent next week but the deal's success hinges on an agreement from Iraq and Iran.
The oil price downturn has sparked a fierce battle for dominance in crude markets.
Officials say details had not been finalized a day before Donald Trump's first meeting with a foreign leader, Japanese PM Shinzo Abe.
Dennis Gartman, The Gartman Letter, provides his thoughts on the likelihood of an OPEC agreement on oil production, and weighs in on the future of commodity prices on the heels of Trump's election. You want to be a buyer of the "stuff that goes into economic goods," says Gartman.
CNBC’s Hadley Gamble talks about what people in Saudi Arabia have been saying about Donald Trump and his future relationship with the Middle Eastern country.