• 2017 July 21 10:16

    JFSE launches patented revolutionary jetting technology for subsea excavation

    Global subsea excavation specialist James Fisher Subsea Excavation (JFSE) has announced the introduction of centrally-located jetting systems to its mass/controlled flow excavation (M/CFE) equipment spreads, the Company said in a press release.

    The high velocity water jet, designed, developed and patented by JFSE, facilitates the excavation of soils previously considered too dense to excavate using traditional mass/controlled flow techniques.

    Moving away from customary designs which place jets at the side of M/CFE tools, JFSE’s innovative technology dramatically reduces velocity degradation. JFSE’s excavators will now be capable of cutting soils with shear strengths up to double that which any other M/CFE system can realise.

    The jets will markedly improve efficiency where additional tooling was required to complete a project due to the density of the soils thereby helping to lower costs for clients. They will also decrease operational time on a number of excavations.

    Commenting on this latest M/CFE innovation, Graham Murdoch, technical director at JFSE, said:

    “We are committed to using our world-leading knowledge and expertise to continue to lead innovation in the sector. Our developments are all designed to bring very real, tangible benefits to our clients.

    “Continuously evolving our service with advancements such as the centrally-located jetting system further cements our position as the leading and most versatile M/CFE provider in an ever-changing global market.

    “Discussions with our clients identified this enhancement would offer significant benefits. We undertook a detailed computational fluid dynamics exercise to fully understand the effects of this setup and the results were impressive. We can now cut soils with shear strengths almost double that which any other M/CFE system can realise.”


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