Summer 2018

Massive cutting success for 'Tiny'

JFO has delivered significant subsea cutting projects for Subsea7 on behalf of BP and Premier Oil in the North Sea.

The projects were able to save time and money thanks to the use of JFO’s massive hydraulic shear (the 1950Te) which is affectionately nick-named ‘Tiny’. This success comes as part of JFO’s long-standing relationship with Subsea7 and paves the way for future projects together as decommissioning work on offshore platforms in the North Sea gathers apace.

Anything but small, Tiny is 4.5m long, by 1.2m wide and 2.2m high, with a jaw which can cut pipes or other subsea infrastructure over 1m in diameter. JFO’s range of hydraulic shears are capable of performing fast and efficient cuts on a variety of different grade materials of varying size and thickness. These versatile tools can be deployed by both remotely operated vehicles (ROVs) or divers and can be hung either horizontally or vertically from the certified lifting points, thereby allowing for access in the most challenging of situations. 

The BP project, which was completed at the beginning of May, involved the recovery of flexible pipelines to the west of Shetland in Scotland. Tiny is designed to be easily deployed from a vessel and lowered by a crane to depths of 3,000m and used to cut sections of pipe, which are then removed from the seabed by a 20Te Universal Grab and brought up to the surface on special recovery subsea baskets.

For the Premier Oil job, JFO was called in to work on the decommissioning of subsea wellhead structures at the Balmoral field 200km north east of Aberdeen in 140m of water. Working closely with Premier Oil, the JFO team develop a bespoke solution that would enable JFO’s topside equipment to work with Premier Oil’s own subsea kit, using Tiny to get the job done. Tiny and the team managed 32 cuts and cleared the seabed of all scrap material – a huge undertaking.

Little Nipper is even bigger!

tiny_nipper_thumbjpg.jpg

JFO has also just created a new hydraulic shear which is bigger, stronger and more powerful than Tiny. Dubbed 'Little Nipper' the cutting tool is 6m long, 1.5m wide and 1.8m high and has a jaw capacity of 1.2m. This new product means JFO now has the largest fleet of hydraulic ROV/diver operated shears in the world.

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