Okla. Stat. tit. 21 § 1441
Any person who enters any building, railway car, vehicle, or structure and there opens or attempts to open any vault, safe, or receptacle used or kept for the secure keeping of money, securities, books of accounts, or other valuable property, papers or documents, without the consent of the owner, by the use of or aid of dynamite, nitroglycerine, gunpowder, or other explosives, or who enters any such building, railway car, vehicle, or structure in which is kept any vault, safe or other receptacle for the safe keeping of money or other valuable property, papers, books or documents, with intent and without the consent of the owner, to open or crack such vault, safe or receptacle by the aid or use of any explosive, upon conviction, shall be deemed guilty of a felony, and upon conviction shall be punished by imprisonment in the State Penitentiary for a term of not less than twenty (20) years nor more than fifty (50) years.
Okla. Stat. tit. 21, § 1441