SINGAPORE/NEW DELHI (Reuters) - Tighter supplies of heavy sour crude oil have combined with increased demand for the high-sulphur refining feedstock from some Asian refiners to hoist Middle East ...

HOUSTON, June 20 (Reuters) - U.S. sweet and sour oil differentials narrowed significantly this month, pricing data showed, as demand for higher sulfur crudes climbed from refineries and exporters ...

MOSCOW (Reuters) - European refiners are paying the price for U.S. oil sanctions on Venezuela and Iran as they scramble to replace the sour crude Washington has blocked from the global market with ...

Heavy-sour crudes yield more residual fuel oils that ... "The combination of tighter heavy crude and fuel oil supplies, as well as the seasonal rise in power generation demand is expected to ...

Sour crude mainly produced in Middle East, Canada, Latin America * U.S. sanctions on Venezuela, Iran hit exports * OPEC, Russia output cuts also reducing supply * Strong fuel oil, middle ...