Three new offshore oil and gas industry information sheets:
- Proof testing of dual channel control systems – IS 3/2007 [PDF 31kb] (Replaces SN 2/96)
- Jack-up (self-elevating) installations: rack phase difference - IS 4/2007 [PDF 31kb] (Replaces SN 4/02)
- Ageing semi-submersible installations – IS 5/2007 [PDF 38kb] (Replaces SN 1/03)

