Okla. Stat. tit. 20 § 91.1
The district courts of the State of Oklahoma are the successors to the jurisdiction of all other courts, including the Superior Courts, the County Courts, the Courts of Common Pleas, Special Sessions Courts, Courts of Special Sessions, City Courts, Juvenile Courts, Children's Courts, Justice of the Peace Courts, and municipal courts in civil matters and proceedings for the violation of state statutes. Wherever reference is made in the Oklahoma Statutes to any of the above courts or to the judge thereof, it shall be deemed to refer to the district court or a judge thereof; provided, however, that any statute that refers to the salary of the judge of any Superior Court, Court of Common Pleas, County Court, Juvenile Court, or Children's Court, insofar as that portion of the statute dealing with salary is concerned, shall not be deemed to refer to any district judge, associate district judge or special judge, and any salary mentioned in such statute shall not be paid to the judge who succeeded to the jurisdiction of the judge who is named in the statute.
Okla. Stat. tit. 20, § 91.1