Okla. Stat. tit. 38, § 20
In each county, the judges of the courts of record shall, more than ten (10) days prior to each term of court, determine approximately the number of jurors that are reasonably necessary for jury service in all the said courts of record of such county for each two-week period during the time said courts may hold during the term and shall thereupon order the drawing of such number of jurors from the wheel for each of said two-week period, said jury to be known as the general panel of jurors for service in all such courts of such county for the respective weeks for which they are designated to serve. A majority of said judges are authorized to act in carrying out the provisions of this law; provided, however, there is only one judge in the county or where the district judge so designates in writing the judge of the court of record using the jury is authorized to act in carrying out the provisions of this law or he may increase or diminish the number of jurors to be selected for any two-week period, and shall order said jurors drawn for as many weeks in advance of service as they or he deem proper. The general panel shall report for duty to the presiding district court judge or if none to the judge of the court of record using the jury, and said judge, for such time as he so acts shall organize said juries and have immediate supervision and control of them.
Laws 1949, SB 155, p. 280, § 3, emerg. eff. June 2, 1949.