Okla. Stat. tit. 20, § 20-11: Jury, how secured

The Supreme Court, or the member thereof designated to try said

issue of fact, shall by order direct the clerk of said Court to

issue an open venire for twenty-four persons having the

qualification of jurors in the district court, to be drawn from the

body of the state, which venire shall state the time and place said

jurors shall appear. The venire shall be issued to and served and

returned by the marshal of said Court. If any of said jurors shall

be disqualified to serve, the court may summon other jurors, in the

manner provided by law, to complete said panel. Challenges shall be

allowed to such jurors as in civil causes before the district court.