Generally speaking, oil leaks can be caused by a really large number of reasons. And if you don't take action in time, you can say goodbye to your engine. My Ford F-250 Superduty had a leak once. It turned out the problem was in the oil filter. I just saved money and bought a cheaper filter. I have tried many filters, but the
best oil filter for 7.3 Powerstroke is from the brand K&N. It was the only one that fixed the problem. I had a lot of trouble at the time. I read your problem and remembered my own:(((