Okla. Stat. tit. 12, § 12-28
Clerks to issue writs and orders - Preparation
All writs and orders for provisional remedies, and process of
every kind shall be prepared by the party or his attorney who is
seeking the issuance of such writ, order, or process and shall be
issued by the clerks of the several courts.
R.L. 1910, § 5328. Amended by Laws 1969, c. 210, § 1.