Significats de heavy crudes en anglès

Smaller discounts for some heavy crudes are also affecting refiners across the Gulf, Jorda said.

That could push out Mexican heavy crudes.

As many U.S. refineries historically process heavy crudes, the United States has increased purchases of fuel oil, including from Russia.

The result is that prices of medium and heavy crudes have surged relative to their lighter counterparts since the middle of January.

Several years ago Petrobras would not have been able to sell PRSI because of its age and inability to process heavy crudes, he said.

Watson said ever-increasing development of liquefied natural gas, high-sulfur heavy crudes and natural gas liquids requires refining expertise and plants that can process them.

According to Michael Wojciechowski, an analyst at Wood Mackenzie, there is still ample demand for heavy crudes in the U.S. Gulf coast refining system.

The major oil exporters in the Middle East Gulf (Saudi Arabia, Iraq, United Arab Emirates, Kuwait and Iran) market mostly medium and heavy crudes.

Heavy crudes require further processing of residues to produce these fuels.