Okla. Stat. tit. 12, § 12-860
Form, service and filing of orders
The orders mentioned herein shall be in writing, and signed by
the judge making the same, and shall be served as a summons in other
cases. The judge shall reduce all his orders to writing, which,
together with a minute of his proceedings, signed by himself, shall
be filed with the clerk of the court of the county in which the
judgment is rendered, or the transcript of the justice filed, and
the clerk shall enter on his execution docket the time of filing the
same.
R.L. 1910, § 5208. Amended by Laws 1965, c. 300, § 8.