First Contract For Development of New Moss V Support Vessel

Published Mar 30, 2016
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The MOSS V is a heavy-duty jack up drilling rig, converted to a self-propelled vessel (illustration: WJM)

William Jacob Management Inc. (WJM) has secured its initial contract to complete the detailed engineering and design of its first Mobile Offshore Support Services Vessel; the MOSS V. Northport Marine LLC will be the first client to receive delivery of the new concept vessel, scheduled for completion in Q1 2018.

The MOSS V is a heavy-duty jack up drilling rig, converted to a self-propelled vessel. Potential applications include rigless plug and abandonment (P&A), construction support, floatel, storm damage repair, decommissioning, wireline, workover, support of a skid off rig and maintenance. WJM will provide the engineering design and construction management for the conversion and refit of a candidate vessel, several of which have been identified.

By removing pre-existing drilling equipment from the top deck during the conversion, a 10,000-square-foot open deck serves to create a utility vessel that allows for the accommodation of a number of different services. The equipment below deck (pumps and tanks) is left in place, for potential use in P&A applications.

The MOSS V is a far more robust vessel in comparison with smaller, lighter lift boats. Whereas existing lift boats can only work up to a maximum of 200-feet water depth and cannot operate in heavy seas, the MOSS V is designed for 350 to 400-foot water depth capability, and can endure substantial adverse weather conditions due to its size and weight.

Michael Duffy, president, William Jacob Management, says, “In the current industry climate, an increasing number of plug and abandonment and decommissioning projects are coming online in the GOM, and the MOSS V is currently the only vessel sufficiently equipped to fully serve this target region. For an extremely competitive day rate, the MOSS V offers a unique set of multi-functional characteristics, eliminating the need for clients to hire multiple expensive vessels to perform various tasks, and delivering significant time and cost savings offshore. The MOSS V is a self-propelled vessel, with all the advantages of a heavy, robust standard jack-up drilling rig, but with the added design benefits of self-propulsion, 10,000-square-foot deck space and ability to undertake a wider variety of work in deeper water. Its versatility makes the MOSS V a one-stop shop for a variety of offshore requirements.”


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