This is a very difficult question. The answer is probably yes, because there have been so many spills. Once the oil spill is dispersed into the ocean, after a long period of time, it may be hard to distinguish from oil from a natural oil seep.
No.
Which gulf and which oil spill? See related questions.
BP is responsible for the oil spill in the gulf
the last oil spill was the oil spill in the Gulf Of Mexico
The BP oil spill occurred in the Gulf of Mexico. The Gulf War oil spill occurred in the Persian Gulf in Kuwait.
Gulf War oil spill happened in 1991.
There was no 'gulf stream oil spill' per say. Rather, the 2010 BP Gulf of Mexico oil spill has reached the Gulf. This spill started on 2010 April 20, reaching the gulf stream approximately in August.
The oil spill happened in the Gulf of Mexico and as of May 14th 2010 it is still an ongoing event.
As of May 19, 2010; the oil pipe off Louisiana is Still leaking oil into the Gulf of Mexico. It will be leaking oil well into the foresee future.
The BP gulf oil spill was an accident.
The gulf war oil spill occurred in the country of Kuwait.
The gulf oil spill started on the 20th April 2010.
There was an oil spill in Louisiana?!?!? Oh yeah..... there is still oil floating around near Florida and the Gulf of Mexico