Help! Basement have an grease outflow this am right where on earth the grease comes up to the coil for the burner? Any fix hints? Found an oil overflow this morning from the copper tubing where the...

Found an oil overflow this morning from the copper tubing where the unified is...is this something that warrants a service nickname or something we could take exactness of?
Roaring nouns coming from toliet while reservoir is...
Answers:    it is sunday, call a handyman!
Here is my situation...?
Turn of the spout at the fuel tank,benevolently tighten fitting where percolate is,test.If it still leak you could disconnect fitting and put some teflon tape on it or pipe stick(from any hardware store,even walmart).video threads and tighten.
Valve for in house container at bottom of tank where on earth line comes out,outside reservoir above ground the same,buried reservoir should be where file comes into house,good luck.