Libyan Oil Shutdown Pushes Up U.S. Grades

The ongoing shutdown of Libyan oil exports is proving beneficial to some crude oil grades including Azeri, African and U.S. oil grades, but could prompt some refiners to cut their crude intake altogether due to poor profit margins, Reuters has reported.  According to Patricio Valdivieso from consultancy Rystad Energy, Azeri and Algerian Saharan Blend will be refiners' top choices for Libyan substitutes for October-loading cargoes while U.S. WTI Midland could replace Libyan volumes in the short term, Reuters reported. Azeri and Kazakh crude…