RT Business: "The IS advance has resulted in Iraq losing up to 400,000 barrels of oil daily, said the Iraq Oil Ministry spokesman Assem Jihad in an interview with the Sputnik news agency.
"The Islamic State destroyed Iraqi oil enterprises and pipelines…causing damage estimated at billions of dollars. Iraq has been losing 300,000-400,000 barrels of oil daily due to IS actions," said Jihad.
...According to the OPEC Monthly Oil Market Report, Iraq produced 4.14 million barrels per day in September. The country is the cartel's second biggest crude producer after Saudi Arabia."