C1 Chop Saw –
Well Conductor Cutting

Case Study

Project Overview: Well Conductor Cutting

Location: Norway

Client: Allseas, Repsol Gyda

The project involved the recovery of 20’’ outer diameter multi-string conductors from the Repsol Gyda platform in the North Sea. The conductors, made of X70 grade material and not grouted, required precise cutting to ensure efficient removal. Decom Engineering was contracted to provide a C1-24 chopsaw for this task, along with two offshore technicians to manage the operation. The deployment was executed using topside processing, powered by a hydraulic power unit (HPU). On average, each cut was completed within one hour, and the project saw 5 to 10 cuts per blade, showcasing the tool’s efficiency and reliability.

Material:  X70 Grade, No Grout

Deployment Method: Topside processing (HPU)

Average Cut Time: 1 Hour 

Blade Usage: 5 -10 Cuts Per Blade

Solution Provided

Decom Engineering delivered a comprehensive equipment and service solution tailored to the client’s needs. The C1-24 chopsaw was selected for its capability to handle the specific material and cutting requirements. The solution also included full project management services, ensuring that the operation was executed smoothly and on schedule.

In addition to the chopsaw, Decom Engineering provided a complete topside power pack to support the cutting operation, along with handling equipment necessary for the safe and efficient execution of the work. The inclusion of experienced offshore technicians ensured that the equipment was operated to its full potential, delivering consistent and precise cuts throughout the project.

By integrating robust equipment with expert personnel and comprehensive project management, Decom Engineering successfully met the project’s demands, providing a reliable and effective solution for conductor cutting in a challenging offshore environment.

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