Many have been found to be attached to deeper sources. So, some thought has been that pressure has been relieved, and it's pushed into there from those harder to access deeper deposits. However, if it's actually truly newer oil, instead of older oil...
Many have been found to be attached to deeper sources. So, some thought has been that pressure has been relieved, and it's pushed into there from those harder to access deeper deposits. However, if it's actually truly newer oil, instead of older oil...