IRENEX to hold 8th round of heavy crude oil offering  Tehran TimesTEHRAN - National Iranian Oil Company (NIOC) will offer two million barrels of heavy crude oil at Iran Energy Exchange (IRENEX) on Tuesday, Shana reported. Read more http://www.te …

IRENEX to hold 7th round of heavy crude oil offering  Tehran TimesTEHRAN- National Iranian Oil Company (NIOC) will offer two million barrels of heavy crude oil at Iran Energy Exchange (IRENEX) on Tuesday, Shana reported. Read more http://www.teh …