Fugro has completed a year-long wellhead monitoring project for BP Americas Inc, measuring BOP stack motions and calculating wellhead fatigue during a deployment in the Gulf of Mexico.

According to Fugro’s press release, the drilling campaign was conducted throughout 2014 in 6,000 ft of water depth and utilised the Fugro Wellhead and Riser Instrumentation Service (WARIS).

The installation included transmission of motion spectra from the BOP stack and riser using standard hydroacoustic modems and the automatic processing of this data with topside environmental data to show levels of motion and fatigue and their correlation with sea states and ocean currents.

According to the company, the DeepData subsea motion monitoring pods, the main component in the system, were deployed to positions on the BOP stack and riser by a remotely operated vehicle (ROV). The pods were integrated with hydroacoustic modems and had battery capacity to last for one year of deployment. A topside system was supplied that included vessel motion monitoring and links to existing environmental monitoring systems.

Stuart Killbourn, Principal Engineer at Fugro said: “This was a project with challenging timescales and some demanding engineering. By working closely with BP and with Fugro staff in our Houston office, we managed to create success for both companies.”

John Henderson, Team Leader for Subsea Wells Engineered Solutions and Mitigations at BP said: “The collaboration between BP and Fugro demonstrates a leap forward in monitoring capability for the industry.”

Source: www.offshoreenergytoday.com

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