30 C.F.R. § 250.432 How do I obtain a departure to diverter design and installation requirements?
Title 30 - Mineral Resources
The table below describes possible departures from the diverter requirements and the conditions required for each departure. To obtain one of these departures, you must have discussed the departure in your APD and received approval from the District Manager. [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
Diverter System Requirements
§ 250.432 How do I obtain a departure to diverter design and installation requirements?
------------------------------------------------------------------------ If you want a departure to: Then you must...------------------------------------------------------------------------(a) Use flexible hose for Use flexible hose that has integral diverter lines instead of rigid end couplings. pipe.(b) Use only one spool outlet (1) Have branch lines that meet the for your diverter system. minimum internal diameter requirements; and (2) Provide downwind diversion capability.(c) Use a spool with an outlet Use a spool that has dual outlets with with an internal diameter of an internal diameter of at least 8 less than 10 inches on a inches. surface wellhead.(d) Use a single diverter line Maintain an appropriate vessel heading for floating drilling to provide for downwind diversion. operations on a dynamically positioned drillship.------------------------------------------------------------------------
