Okla. Stat. tit. 23, § 23-62: Wrongful occupation

The detriment caused by the wrongful occupation of real

property, in cases not embraced in Sections 2874, 2880, 2881 and

2882, is deemed to be the value of the use of the property for the

time of such occupation, not exceeding six (6) years next preceding

the commencement of the action or proceeding to enforce the right to

damages, and the costs, if any, of recovering the possession.