Okla. Stat. tit. 21, § 1727

Any person who shall enter upon any premises, easement, or right-of-way with intent to steal or remove without the consent of the owner, or with intent to aid or assist in stealing or removing any copper wire, copper cable, or copper tubing from and off of any appurtenance on such premises, easement, or right-of-way shall be guilty of a Class D1 felony offense and upon conviction shall be punished by confinement as provided for in subsections B through F of Section 20N of this title, or shall be fined not less than One Hundred Dollars ($100.00) nor more than Five Hundred Dollars ($500.00), or by both such fine and imprisonment.