12 Facts About Offshore diving

Technically it refers to any diving done in the international offshore waters outside of the territorial waters of a state, where national legislation does not apply.

Equipment used for commercial offshore diving tends to be surface supplied equipment but this varies according to the work and location.

Saturation diving is standard practice for bottom work at many of the deeper offshore sites, and allows more effective use of the diver's time while reducing the risk of decompression sickness.

Much of the offshore seabed diving work is inspection, maintenance and repair of the blow-out preventers and their permanent guide bases.

Large amount of offshore diving work is associated with pipeline work, particularly with pipeline connections.

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Saturation Offshore diving is one way to reduce the overall risk to the diver while improving productivity.

Personal Offshore diving equipment used by saturation divers is similar to that used by surface supplied divers, with the addition of the closed bell and saturation system.

The actual Offshore diving work is usually done by one or two divers, backed up by a team of support personnel, both to facilitate getting the work done, and to provide an acceptably low level of risk for the diver and other affected personnel.

Much of the Offshore diving work involves moving and handling large and heavy objects, and inherently hazardous tools and equipment.

Many Offshore diving fatalities are the result of a cascade of incidents overwhelming the diver, who should be able to manage any single reasonably foreseeable incident.

Commercial Offshore diving operations are constrained by occupational health and safety legislation, but by the physical realities of the operating environment, and expensive engineering solutions are often necessary to control risk.

On 1 July 1978 a set of "temporary rules" [for Offshore diving] were instituted—12 years after Offshore diving had started and 11 years after the first serious accident.