Two Iranian companies signed a $440 million agreement Saturday to develop a gas field in the sensitive Gulf, with the oil ministry saying it showed arch-foe the United States could not stop the country with sanctions.

Iranian companies ink deal to develop gas field in tense Gulf

Iran is keeping up oil sales through "unconventional" means to circumvent US sanctions, Oil Minister Bijan Namdar Zanganeh said in an interview published Saturday.

Iran says selling oil through 'unconventional' means

Iran's Petroleum Minister Bijan Namdar Zanganeh said on Thursday that the US should stop interfering in affairs of the Organization of the Petroleum Exporting Countries (OPEC) while attending an OPEC meeting.

US should stop interfering in OPEC affairs: Iran petroleum minister Zanganeh

Iran on Sunday called on its OPEC partners not to bow to "threats" from US President Donald Trump, as the oil cartel prepared to meet to discuss output levels. "I hope the outcome of this meeting will not be affected by President Trump's threats," Oil Minister Bijan Namdar Zanganeh told SHANA, his ministry's news agency.

Iran urges OPEC to rebuff 'threats' from Trump