SI 2016/673. The Offshore Installations (Safety Zones) (No. 3) Order 2016. Comes into force 28th June. Entries relating to two installations in Part 2 of the Schedule to the Offshore Installations (Safety Zones) Order 2016(SI 2016/309), are removed. These are; (a)Crathes Production Well, Block 21/13a, Crathes Field; and (b)Scolty Production Well, Block 21/8a, Scolty Field.