You accrue decommissioning obligations when you do any of the following:

(a) Drill a well;

(b) Install a platform, pipeline, or other facility;

(c) Create an obstruction to other users of the OCS;

(d) Are or become a lessee or the owner of operating rights of a lease on which there is a well that has not been permanently plugged according to this subpart, a platform, a lease term pipeline, or other facility, or an obstruction;

(e) Are or become a holder of a pipeline right-of-way grant on which there is a pipeline, platform, other facility, or an obstruction;

(f) Are or become the holder of a right-of-use and easement grant on which there is a well, pipeline, platform, other facility, or an obstruction; or

(g) Re-enter a well that was previously plugged according to this subpart.