30 CFR 250.1703 : Mineral Resources (§ 1.1 To Parts 1291-1299) — (Parts 200-202 To Parts 591-599) — Bureau Of Safety And Environmental Enforcement, Department Of The Interior (Parts 200-202 To Parts 292-299) — Offshore (§ 250.101 To Part 285) — Oil And Gas And Sulphur Operations In The Outer Continental Shelf (§ 250.101 To § 250.1933) — Decommissioning Activities (§ 250.1700 To § 250.1754) — General (§ 250.1700 To §§ 250.1707-250.1709) — What are the general requirements for decommissioning?

When your facilities are no longer useful for operations, you must:

(a) Get approval from the appropriate District Manager before decommissioning wells and from the Regional Supervisor before decommissioning platforms and pipelines or other facilities;

(b) Permanently plug all wells. Permanently installed packers and bridge plugs must comply with API Spec. 11D1 (as incorporated by reference in § 250.198);

(c) Remove all platforms and other facilities, except as provided in §§ 250.1725(a) and 250.1730.

(d) Decommission all pipelines;

(e) Clear the seafloor of all obstructions created by your lease and pipeline right-of-way operations;

(f) Follow all applicable requirements of subpart G of this part; and

(g) Conduct all decommissioning activities in a manner that is safe, does not unreasonably interfere with other uses of the OCS, and does not cause undue or serious harm or damage to the human, marine, or coastal environment.