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Submarine emergency evacuation system

A technology for submarines and submarines, applied in the field of evacuation systems, which can solve problems such as human life threats

Inactive Publication Date: 2006-10-11
SUBEVAK SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In most emergency evacuations, atmospheric or surface conditions pose an extremely serious threat to human life

Method used

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Embodiment Construction

[0033] The following will combine figure 1 A semi-submersible drilling rig 1 of the type shown in is described in detail for a submarine evacuation system according to the invention. However, it is obvious that the invention is also applicable to any type of installation or vessel operating in larger bodies of water such as lakes or oceans; these include platforms, jack-up rigs, drill ships and other vessels. Personnel usually work and live on these offshore installations for predetermined periods of time, but evacuations must be performed from time to time due to extreme emergencies such as severe weather. The submarine evacuation system includes one or more submerged compartments attached to or built into an offshore installation so that they are not adversely affected by surface conditions. Each module consists of a submarine with a crew launched from an offshore unit. Submarines are also launched during maintenance inspections and drilling. While the primary purpose of ...

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Abstract

A system and a method for evacuating personnel from an offshore unit ar e described. The evacuation system comprises at least one submarine evacuation module attached to the offshore unit. A submarine evacuation module comprise s a submarine for transporting personnel to be evacuated and a watertight submarine bay fixed to the offshore unit for holding the submarine, the bay having a door to permit the launch of the submarine from the bay. The evacuation module bay includes a control system for flooding the submarine bay, for operating the door, and f or decoupling a hook mechanism that couples the submarine to the submarine. The evacuation module bay may also include a roller system for cradling the submarine and guiding its movement into and out of the bay, and a sonar system for detecting obstructions near the bay door outside of the bay. The method of evacuating personnel from an offshore unit having a portion adapted to be submerged bel ow the water level comprises having the personnel enter the submarine, flooding the bay, opening the door in the submarine bay and propelling the submarine from the bay to a predetermined location remote from the offshore unit.

Description

technical field [0001] The present invention relates generally to evacuation systems for offshore fixed structures or vessels, and more particularly to submarine evacuation systems. Background technique [0002] The currently recognized international offshore emergency evacuation systems are divided into dry, semi-wet and wet systems. Dry systems, such as helicopters, are preferred since personnel do not come into contact with the marine environment. However, such systems have limitations because adverse atmospheric conditions such as wind, fog, rain, freezing sleet, icing, or snow often prevent airborne rescue. Unfortunately, these conditions often arise when offshore installations are at risk. [0003] Semi-humid systems, such as Totally Enclosed Motor Survival Boats (TEMPSC) and liferafts, are required on all offshore structures, but they often do not function as intended. Although necessary, these systems also have limitations. Launching TEMPSCs from offshore rigs ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B63C9/00B63C9/22B63B35/44B63G8/00B63G8/40B63B23/00
CPCB63G8/001B63G8/41B63B23/00B63B2035/405B63C9/00B63G8/40B63B35/44B63C9/22
Inventor G·J·派克
Owner SUBEVAK SYST
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