30 C.F.R. § 250.424 What are the requirements for prolonged drilling operations?
Title 30 - Mineral Resources
If wellbore operations continue for more than 30 days within a casing string run to the surface: (a) You must stop drilling operations as soon as practicable, and evaluate the effects of the prolonged operations on continued drilling operations and the life of the well. At a minimum, you must: (1) Caliper or pressure test the casing; and (2) Report the results of your evaluation to the District Manager and obtain approval of those results before resuming operations. (b) If casing integrity has deteriorated to a level below minimum safety factors, you must: (1) Repair the casing or run another casing string; and (2) Obtain approval from the District Manager before you begin repairs. [68 FR 8423, Feb. 20, 2003]
Title 30: Mineral Resources
PART 250—OIL AND GAS AND SULPHUR OPERATIONS IN THE OUTER CONTINENTAL SHELF
Subpart D—Oil and Gas Drilling Operations
Casing and Cementing Requirements
§ 250.424 What are the requirements for prolonged drilling operations?
