February 6,2016 • Stewart Technology AssociatesStewart Technology Associates

February 6,2016

What type of problems can be avoided with a proper anchor analysis?

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Stewart Technology Associates

Two of the biggest concerns for every offshore oil company are ensuring safe operation and low environmental impact. Both of these concerns become especially heightened with moored vessels that, when not properly anchored or otherwise tethered can lead to huge problems like oil spills, capsizing, property damage, and seafloor damage. In extreme weather and unsafe operating conditions, poorly moored vessels may even lead to unacceptable loss of life. 

A proper anchor analysis is simply one of the best ways to avoid such catastrophes. Such an analysis will account for a vessel's size, the weather conditions, sea conditions, and age of mooring or ground tackle to assess a mooring's stability. Technology created by Steward Technology Associates inputs such information and runs scenarios determining the best estimated amount of stress that the anchors will be subject to due to the current waves, tidal currents, seabed soil conditions, winds, and tonnage. The anchor analysis will then determine the most ideal anchoring system for the present time, whether it's a single anchor leg mooring, catenary anchor leg mooring, or something else entirely. 

Only once the ideal anchoring conditions and equipment have been selected, can an oil tanker safely and securely deploy their anchor and begin the loading and offloading of equipment and oil with confidence. Such proper mooring ensures that even in turbulent waters and intense winds, anchors will hold.

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