Okla. Stat. tit. 52, § 52-36.4: Certificate of Commission

Any public utility desiring to exercise the right of eminent

domain as to any property for use for underground storage of natural

gas shall, as a condition precedent to the filing of its petition in

the district court, obtain from the Commission a certificate setting

out findings of said Commission (a) that the underground stratum or

formation sought to be acquired is suitable for the underground

storage of natural gas and that its use for such purposes is in the

public interest; (b) the amount of recoverable oil and native gas,

if any, remaining therein; provided, that the Commission shall issue

no such certificate until after public hearing is had on

application, pursuant to notice served in compliance with notice in

civil actions in the district court, together with notice published

at least once each week for two (2) successive weeks in some

newspaper of general circulation in the county or counties where the

gas is proposed to be stored, the first publication to be at least

ten (10) days prior to the date of the hearing.