Okla. Admin. Code § 165:10-3-3
(b) In the event a rupture, break, or opening occurs in any casing string, the owner or operator shall cease well drilling, completion, or production operations and take immediate action to repair it and shall report the occurrence either by telephone or by electronic mail to the appropriate Conservation Division District Office within twenty-four (24) hours of discovery. The owner or operator shall also notify the appropriate Conservation Division District Office of the occurrence by electronic mail or by telephone within forty-eight (48) hours and supply the following information:
Amended at 9 Ok Reg 2295, eff 6-25-92
Amended at 27 Ok Reg 2128, eff 7-11-10
Amended at 30 Ok Reg 1041, eff 7-1-13
Amended at 37 Ok Reg 1121, eff 10-1-20