N.Y. Gen. Constr. Law § 39
The term personal property includes chattels, money, things in action, and all written instruments themselves, as distinguished from the rights or interests to which they relate, by which any right, interest, lien or incumbrance in, to or upon property, or any debt or financial obligation is created, acknowledged, evidenced, transferred, discharged or defeated, wholly or in part, and everything, except real property, which may be the subject of ownership.
Oil wells and all fixtures connected therewith, situate on lands leased for oil purposes and oil interests, and rights held under and by virtue of any lease or contract or other right or license to operate for or produce petroleum oil, shall be deemed personal property for all purposes except taxation.
N.Y. Gen. Constr. Law § 39