Abstract
ABSTRACT This paper reviews deepwater diving technology which provides offshore oilfield support during all phases of exploration, construction and production. Mobile Observation Bells (MOB), Atmospheric Diving Suits (ADS), Remotely-Operated Vehicles (ROV), and saturation diving techniques are discussed. The term "deep water" is defined in relation to the water depths off the U.S. west coast. All diving system parameters are analyzed for each alternative; cost-effectiveness and safety are the two main objectives. Specific jobs are described which have used this high technology equipment for offshore operations on the U.S. west coast. These include drilling rig support, platform inspection and maintenance, and pipeline construction. Finally, future developments in diving systems will be discussed.
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