WEST MIRA FIRST DRILLING RIG TO USE HYBRID POWER SOLUTION
The semi-submersible West Mira will be the world's first drilling rig to operate a low-emission hybrid power plant using Siemens' lithium-ion energy storage solution.
The long-term sustainability of the offshore oil and gas sector is predicated on reducing costs and minimizing projects' environmental impacts. Drawing off its extensive experience in the electrification of marine assets, Siemens has taken a significant step on the way to helping the industry achieve those goals by supplying the world's first energy storage solution (ESS) to an offshore drilling rig.
BlueVault, Siemens advanced lithium-ion battery-based solution, will be installed on Northern Drilling Ltd.'s West Mira offshore drilling rig that will operate in the North Sea's Nova Field, approximately 120 km northwest of Bergen. West Mira is a sixth-generation, ultra-deepwater semi-submersible designed by Moss Maritime and will be the world's first modern drilling rig to operate a low-emission hybrid (diesel-electric) power plant using lithium-ion energy storage. The solution consists of four converter-battery systems for a total maximum power of six megawatts.
The installation of BlueVault on West Mira will result in an estimated 42% reduction in the runtime of on-platform diesel engines, reducing CO¬2 emissions by 15 percent and NOx emissions by 12 percent, which is equivalent to annual emissions from approximately 10,000 automobiles.
The batteries will be charged from the rig's diesel-electric generators and used for supplying power during peak load times. In addition, they will serve as backup to prevent blackout situations and provide power to the thrusters in the unlikely event of loss of all running machinery.
Seadrill Norway Operations Ltd. will operate the West Mira rig on behalf of Northern Drilling. Wintershall has contracted the facility for six wells in their Nova field. The contract includes options for early commencement starting in Q3 of 2019, as well as follow-on options. Should all options be exercised, West Mira is expected to be contracted to Wintershall until Q1 2022.
The energy storage solution that will be supplied to West Mira is based on field-proven technology, which has been installed in more than 60 marine vessels worldwide, including the world's first electric car ferry, MF Ampere, in Norway. As part of a strategy to continue providing low-emissions solutions for harsh offshore operating environments, Siemens opened a fully robotized and digitalized plant in Norway that will develop and manufacture energy storage technologies for both marine and offshore oil and gas applications. (Source: Siemens)
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