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20” Hot Tap Operation Performed on a Spiral Wound Chilled Water Pipe

Hot tap operation
Client Petroleum refinery
Country Egypt
Service details Wellube’s hot tapping and line stopping service is a cost-effective way of enabling repairs, maintenance, modifications, or reconfiguration work on existing piping systems – on either a planned or emergency basis. Our hot tap operation prevents unwanted shutdowns and keeps critical piping and pipeline systems online during tie-ins, relocations, repairs, retrofits, and routine maintenance. To know more, get in touch with us at enquiries@wellube.com

Project Summary

Wellube completed a 20” hot tap operation with a customised couple reinforcement solution on a 38” chilled water line for a petroleum refinery in Egypt. Hot tap operation

20” hot tapping in progress on the 38” chilled water line

Client Requirement For Hot Tap Operation

The client wanted to create a new tie in connection of the same size from the existing chilled water pipeline without shutting down the pipeline, Wellube was contacted to perform the operation to facilitate the operation

Challenges Faced

  • No shutdown or depressurization of the pipelines was allowed
  • Shipping the client requirements from UAE and ensuring our workforce were all available at the site without any delays caused due to the pandemic.

Solution Engineered By Performing Hot Tap Operation

After evaluating the client’s requirement, we performed 20” hot tap operation on the 38” spiral wound chilled water pipeline. Owing to the unique design of the pipe, we also directed the client in welding a coupon reinforcement to avoid the coupon from falling off (or spring out after the final cut) during the hot tap.

Hot tap operation

 Wellube engineers monitoring the hot tap equipment

As the design we had suggested for coupon reinforcement was simple, the client was able to get it fabricated and welded according to the schedule. This was then welded after the fit-up and welding of the hot tap fitting. Standard coupon reinforcement would have been more complicated and required additional logistics. In this case, we just needed a smaller size pipe to weld as a coupon reinforcement after design confirmation which was sufficient to prevent the spring out on a spiral wound pipe.

The customised coupon reinforcement solution welded on the pipeline

The client appreciated the Wellube team’s professionalism and efforts in completing the full scope of work as scheduled before their planned shutdown.

Benefits Delivered

  • No interruption to water supply during the project execution
  • Completely HSEQ compliant
  • Successful completion of the project within the client deadlines.
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