Nissan Repair Questions? Ask a Mechanic for Answers ASAP
Since I have yet to hear from you, i will assume this is a petrol model.
That being the case, the most common places for oil to leak are at the valve cover gasket corner by the radiator hose or at the cam sensor on the back drivers side of the valve cover.
The trick is to find the highest point of oil leakage, and go from there as it commonly runs down.