Top energy officials from some 15 countries including Saudi Arabia and Russia were at the Doha talks, amid reports a draft agreement was in the works to freeze output at January levels until at least October.
Major producers both inside and outside the Organisation of the Petroleum Exporting Countries are anxious to stem a nosedive that has cost exporters billions in lost revenue.
From above USD 100 in mid-2014, oil prices dropped to 13-year lows of around USD 27 in February due to a supply glut, though they have since rebounded to about USD 40.
Ecuadoran Hydrocarbons Minister Carlos Pareja told reporters that his country would support a plan to freeze output until at least October.
Also Read
He said proposals under discussion also call for "setting up a committee to monitor the freeze," but provided no further details.
Pareja warned that if no action were taken "there will be huge damage to the oil industry."
Russia's RIA Novosti news agency also quoted Azerbaijani Energy Minister Natiq Aliyev as saying the draft included the output freeze at January levels until October.
Saudi Arabia has insisted that all major producers must be on board for the freeze to work, including fellow OPEC member and regional rival Iran.
But Tehran, which has boosted production following the lifting of sanctions under its nuclear deal with world powers, has rejected any talk of a freeze.
Iran had initially said its OPEC representative would participate in the talks but on Sunday Oil Minister Bijan Zanganeh announced Tehran would send no delegation at all.
"Iran will in no way give up its historic production quota," Zanganeh said.
Influential Saudi deputy crown prince Mohamed bin Salman reiterated in an interview with Bloomberg published on Saturday that the kingdom would not accept a freeze without Tehran's cooperation.