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Advanced abrasive cutting technology

James Fisher Offshore (JFO), a specialist partner in the delivery of subsea and topside projects, is further strengthening its offshore decommissioning capabilities with the development of an advanced internal abrasive cutting system offering higher performance, cost savings and operational efficiency to support the oil and gas industry’s decommissioning cost reduction target.

The abrasive cutting technology offers an innovative method for the internal cutting and removal of subsea tubular structures, ranging from piles and jacket legs through to well casings and well heads. Due to its higher accuracy and success rate, the system delivers enhanced performance with minimal downtime, as well as a reduced operational footprint.

The system has already been deployed offshore to great success for use in a unique deep water cutting operation at water depths in excess of 180m. It surpassed all expectations with its speed, accuracy and reliability –capable of severing double-plated hull sections greater than 84mm in one pass, leading to a significant time reduction.

A number of performance additions, including real-time cut verification, visual external cut monitoring and increased flexibility offer significant operational advantages. The unique airflow system negates the need to de-water and reduces the amount of operations in the task, minimises the equipment required, and leads to a 60% reduction in the overall cutting time. While the cut verification system also ensures complete operator and customer certainty, helping to reduce the risk of stitching and, ultimately, reducing risk of over-run on high cost projects.

Will Carrier, offshore manager at Atlantic Subsea Ventures, explains, “Our project required a cutting system that would allow for precision and efficiency, not only with the finished cut, but also in its deployment, installation and operation. James Fisher Offshore was able to tailor a system that offered multifaceted options depending upon the project requirements at the time. The provision of the James Fisher Offshore abrasive blast system, backed by a proactive management team and experienced, adaptive offshore technical crew enhanced our project results exponentially. We will most certainly be utilising this system again within our future projects.”

The launch of this new abrasive cutting technology comes in quick succession to JFO’s cut and lift product, ICLT, that will help streamline decommissioning projects, demonstrating the company’s commitment to investing in new solutions that save time and cost for offshore operators.

Jack Davidson, managing director at James Fisher Offshore says, “Our investment in this new technology and skilled personnel demonstrates our commitment to be the integrated back deck equipment provider of choice for full life of field support.

Globally our decommissioning and demolition projects continuously increase, as does our ability to deliver more complex projects – further expanding our capabilities to support the global leaders in this area. With the development of our capabilities and continued investments, we’re successfully transitioning from an equipment provider to a solutions-based service provider, adding value to our customers’ operations.”

JFO aims to set the bar at zero project downtime and has significantly invested in resource to ensure highly skilled people, in both the operation and maintenance of all equipment, are ready to support customer operations at all times.

These latest additions to JFO’s equipment and capability, as part of its truly integrated back deck supply, solidifies the company as the contractor of choice for all life of field operations around the world.

JFO is part of James Fisher and Sons plc - a leading provider of marine services and a trusted partner of the oil and gas industry worldwide, providing financial stability and reducing contractual risk.

James Fisher Marine Services are on stand D12 at Seawork

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