NEWS

2017.08.08

Source:      Review:842


How do we Decommission and what choices do we have? 


Ø  Decommissioning by using explosives

Ø  Decommissioning by using divers

Ø  Decommissioning by recycling as homes or luxury hotels/other


The following are the safest and they have to be the right tools for decommissioning redundant offshore infrastructures, bringing the seabed back closest to its natural state 


Ø  Decommissioning by using Diamond Wire Cutting Techniques (please watch the video via video center)

This Diamond Wire cutting machine has been specifically designed to cut the oil rig legs close to the seabed, diver installed or by Working Remote Operated Vehicles, improving the safety of subsea operations 


Ø  Decommissioning by using High Pressure Water Jet(please watch the video via video center)

Operable to 3000 depth meters of seawater, effectively cutting steel up to 250mm thick 

Waterjet technology brings powerful ultra-high pressure waterjet into the deep water subsea space, improving the safety and effectiveness of subsea operations, WROV deployable subsea


Cost for Offshore infrastructure decommissioning; For when it comes to the decommissioning expenditures, there is the need to be well prepared years in advance; There are no fast track solutions, no getting away from it, redundant infrastructures need to be taken out, somebody needs to pay for the work to be done, funding to do the work $ ?, that alone is going to be challenging.


For the UK; Between 2017 and 2040, estimated 261 fixed platforms weighing a total of 2.6 MM metric tons (2.87 MM tons) to be removed from UK waters.


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The majority of ‘decommissioning’ expenditure will come after 2025, which should provide sufficient time for ongoing work and the continued development of decommissioning planning and building worksites across the UK. to dismantle the oil and gas rigs.


Next week; 

Decommissioning and abandonment of wellheads, manifold, pipeline, flow lines, umbilical/power cables removal



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