There was actually oil slipped twice, the first time a supply ship collided with an oil rig causing a rupture in the oil wellhead.
The second time Iraqi bombers, bombed an oil rig setting it on fire. It burned for 2 years.
What type of oil?? How much??
The type of oil spilled was crude oil, there was 80 million gallons spilled.
Who is responsible?
The biggest reason for the oil spill was the ongoing Iran-Iraq war