you know I cant figure out why there is so much pressure
building up inside the earth , its like something is heating up the earths inerds more and more.
Nothing to figure out. Pressure's not building up. Nor is it heating up, heat is generated inside by radioactive decay and released at the same or higher rate through the surface.
because in winter months the sea life would rely on warmth rising up from the oil below.
If the effect was significant at all, it'd be the opposite. Water conducts heat better than oil so there'd be hot spots above where water was put in. The animals can just swim a little deeper to get back to their preferred temperature.
It's easy to imagine damage to the environment because of human activity, but often good things happen too. I'd expect higher temperatures would increase sea life.
