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# subsea

• A two-armed autonomous underwater vehicle has been launched for complex inspection and maintenance tasks, embedded in a powerful IT infrastructure that enables both intuitive control and monitoring of the system and effective information flow with the plant operator.
• The difficulty in selling a chemical to aid subsea pipeline flow has been delivering it to the wells.
• After more than 2 decades of talk, multiple millions of dollars in investments, and a decade’s worth of joint industry projects, operators are starting to get on board with electrification as the base case for subsea solutions.
• The North Sea project is set to include 23 subsea, oil-producing wells tied into four subsea templates to tap an estimated 200 million bbl of oil.
• The discovery in the US Gulf of Mexico was tied back through a single well completion to existing infrastructure.
• The Green Canyon Block 21 well has underperformed flow expectations since commencing production.
• The Magnus oil field in the North Sea catalyzed a major leap for subsea control systems. The original development of the multiplexed electrohydraulic control system has developed into a multimillion-dollar subsea controls industry.
• BSEE said details of the policy change will come later this year.
• A new idea from Equinor calls for autonomous submarines to transport CO2 from the surface to the seabed. The Norwegian operator says the shuttles could also carry oil and water for injection.
• The AI-driven tool will detect anomalies in subsea oil and gas infrastructure.
• This case study describes how gas condensates within a subsea tieback system behave very differently to condensed water from a wet-gas system and therefore a pseudo dry-gas system needs to be configured differently for gas-condensate developments.
• In a $60 to$70 oil environment, the subsea market is poised to grow around 7% annually up to 2025. But a significant portion of this activity is at risk if the price of Brent crude falls to \$50 per barrel.
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