Byford Dolphin
Byford Dolphin[edit | edit source]
The Byford Dolphin is a semi-submersible, column-stabilized drilling rig operated by Dolphin Drilling, a subsidiary of Fred. Olsen Energy. It is known for its involvement in a tragic accident in 1983, which resulted in the deaths of five workers.
Design and Specifications[edit | edit source]
The Byford Dolphin is a semi-submersible platform, which means it is partially submerged and floats on the surface of the water. This type of rig is used for offshore drilling in deep waters. The rig is designed to remain stable in rough seas, making it suitable for operations in the North Sea.
History[edit | edit source]
The rig was originally built in 1974 by Aker Engineering in Norway. It has undergone several upgrades and refurbishments to enhance its capabilities and safety features. Over the years, the Byford Dolphin has been involved in numerous drilling operations across the globe.
The 1983 Accident[edit | edit source]
On November 5, 1983, the Byford Dolphin was the site of a catastrophic decompression accident. The accident occurred during a routine saturation diving operation. A sudden and explosive decompression killed four divers and one dive tender instantly.
The accident was caused by the improper removal of a diving bell clamp, which led to a rapid drop in pressure. The incident highlighted the dangers associated with deep-sea diving and led to significant changes in safety regulations and procedures in the industry.
Impact and Legacy[edit | edit source]
The Byford Dolphin accident had a profound impact on the offshore drilling industry. It prompted a reevaluation of safety protocols and the implementation of stricter regulations to protect workers. The incident is often cited in discussions about occupational safety and the risks of offshore drilling.
Related Pages[edit | edit source]
Byford Dolphin[edit | edit source]
Byford Dolphin at Invergordon, 2008
Byford Dolphin Accident
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