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HotTapping and Plugging Through Valves

EPC and installation of hot tapping of 2 x 4" butterfly, isolation plugging and valve replacement.

Product/Service:

Pipe Intervention

Year:

January - September 2020

Location:

Northsea, Norwegian Continental shelf

Project Manager:

Roald Kolnes

The owner of a late life asset needed to change outlet valves from a concrete structural support tank. IK performed a FEED study and was awarded the contract for EPC and installation offshore, based on the solutions and technical knowhow.

The following keywords describes the steps taken to perform the work in safe and effective manner:

  • Installed new Ball valve and adapters to create a safe hot tap barrier 
  • Hot tapped blind flange/butterfly valve disc and removed the coupons via the installed Ball valve 
  • Installed and activated a double barrier extended plug to isolate the tank 
  • Replaced valve while keeping the extended plug activated

 

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