New Scottish subsea Innospection tool gets results five times faster

An Innospection worker
An Innospection worker

A Scottish inspection-provider for the oil and gas industry has created a new to industry subsea tool for inspecting caissons which it claims is five times faster than existing techniques.

Aberdeen-based Innospection has designed and developed the MEC-Combi Pipecrawler which is the first of its kind to use two types of subsea inspecting methods simultaneously for the external inspection of caissons, to support ensuring their integrity.

The scanner collects both ultrasonic (UT) and magnetic eddy current (MEC) data, as well as close visual data and uses rotate-able wheels in the design which pivot 90 degrees on its axis, so it can seamlessly overlap scans of the entire caisson circumference.

By collecting two different sets of inspection data within the same deployment it dramatically saves time and cost, requires little or no cleaning, as well as providing more accurate than ever information about the assets condition.

Innospection have successfully completed the inspection of two caissons for a North Sea operator using the new technology.  The Operator needed high density mapping data for the integrity assessment of the caissons and Innospection’s tool was able to provide it in record time.

Andreas Boenisch, Managing Director said: “The combination of the two techniques in our new tool, to inspect caissons externally is a solution which provides the highest quality and accuracy of data, with minimal disruption to operations for our clients.

“Previously many caisson inspecting techniques have only spot checked the circumference and therefore not fully shown the state of the caissons.  This technique shows in detail any localized corrosion and wall thickness to allow the operator to maintain caissons integrity to the highest standards.”

  • Aberdeen-based subsea survey provider UTEC has been awarded a contract by Technip Oceania to provide survey and positioning services on the Greater Enfield Project, offshore Western Australia.

9 Jan 2018

 

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