Grounds for Divorce: The court may grant a no-fault divorce upon a showing of incompatibility. The  court may grant a fault divorce upon a finding of any of the following causes:
1. Abandonment for one (1) year
2.  Adultery
3.  Impotency
4.  When the wife at the time of her marriage, was pregnant by another than her husband
5. Extreme cruelty
6.  Fraudulent contract
7.  Habitual drunkenness
8.  Gross neglect of duty
9.  Imprisonment
10. Insanity
[Oklahoma Statutes]

Residency Requirements: "The petitioner or the respondent in an action for divorce or annulment of a marriage must have been an actual resident, in good faith, of the state, for six (6) months immediately preceding the filing of the petition. Any person who has been a resident of any United States army post or military reservation within the State of Oklahoma, for six (6) months immediately preceding the filing of the petition, may bring action for divorce or annulment of a marriage or may be sued for divorce or annulment of a marriage." [Oklahoma Statutes]

Oklahoma Child Support Enforcement Service Links and Telephone Numbers
Oklahoma Department of Human Services Child Support Enforcement
Telephone: 405–522–2273
Telephone: 918–295–3500
Toll Free: 800–522–2922

Oklahoma Child Support Guidelines and Calculator
Oklahoma Stat. Title 43, Sections 118-120

Oklahoma Unofficial Online Child Support Guidelines Calculator

Oklahoma Divorce Forms Online
Oklahoma State Courts Network Forms

Oklahoma Divorce Laws
Oklahoma Statutes, Title 43

Oklahoma Domestic Violence Resource Links and Telephone Numbers
Oklahoma Coalition Against Domestic Violence and Sexual Assault
Telephone: 405–524–0700

Oklahoma Free or Low Cost Legal Services Programs
Legal Aid Services of Oklahoma
Telephone: 800-421-1641

Oklahoma Indian Legal Services Inc.
Telephone: 800-658-1497

Oklahoma Mediation Centers and Service Links and Telephone Numbers
Oklahoma State Courts Alternative Dispute Resolution Early Settlement Mediation
Telephone: Listed on website by county.

Oklahoma State and Local Bar Association Lawyer Referral Service Links
Oklahoma Bar Association

Oklahoma State and Local Bar Association Lawyer Referral Service Telephone Numbers
Statewide: 918–584–5243