30 CFR § 250.741 - How long must I keep records?
§ 250.741 How long must I keep records?
You must keep records for the time periods shown in the following table.
|You must keep records relating to . . .||Until . . .|
|(a) Drilling;||90 days after you complete operations.|
|(b) Casing and liner pressure tests, diverter tests, BOP tests, and real-time monitoring data;||2 years after the completion of operations.|
|(c) Completion of a well or of any workover activity that materially alters the completion configuration or affects a hydrocarbon-bearing zone.||You permanently plug and abandon the well or until you assign the lease and forward the records to the assignee.|