Divorce in Oklahoma is governed by Title 43. Can you get divorced in Oklahoma?
The basic rule is that
Example: Joe and Mary want a divorce. They’ve lived in Oklahoma for 7 months. They just moved to Carter County 35 days ago. They are eligible to file for divorce in Oklahoma so long as they do so in Carter County District Court.
There are special rules for military personnel. Permanent residence is not required but a party to the marriage must have been stationed in Oklahoma for at least six months prior to filing for divorce.