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Seafloor and onshore subsidence
4D Seafloor subsidence monitoring
REX Geo Solution can advise on technology and plan surveys to ensure they meet the objectives and the long-term risk management of installations, decommissioning and potential geo-hazards. By using ambient seawater pressure measurements to detect seafloor subsidence, repeat surveys in the North Sea have achieved vertical resolution down to seafloor subsidence of 2-5 mm precision. The technologies being tested to depths of 3000 m, indicating they are highly robust and capable of providing great clarity into subsidence of the seafloor.
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