A few years ago, my brother talked me into watching Rob Zombie's movie, House of 1000 Corpses. The title sounds like a campy Vincent Price movie from the 1960s. It was actually two hours of graphic torture scenes. And the last time I let my brother pick the movie.
Unfortunately, from what I've read, if the oil isn't washed off the animal very soon after its exposure to the oil, the toxins in the oil have already been absorbed into the animal's body and it will die regardless.