UK Firm Innovates Offshore Well Abandonment for Hydrogen and CCS Storage
Key Ideas
  • Aquaterra Energy introduces Recoverable Abandonment Frame (RAF) for efficient re-entry and re-abandonment, specifically targeting offshore wells for hydrogen and CCS storage.
  • The RAF technology addresses challenges such as leak risks, technical effectiveness, and regulatory compliance, offering up to 80% cost reduction and 50% shorter project timelines.
  • Utilizing advanced seabed surveying and well imaging, Aquaterra Energy ensures precise identification and location of legacy wells, making re-abandonment processes safer and more efficient.
  • The RAF's modular structure allows for global transport and assembly, enabling the re-abandonment of wells previously deemed unfeasible, fostering the viability of carbon and hydrogen storage projects.
Aquaterra Energy, a UK-based offshore energy engineering solutions provider, has unveiled an innovative solution to streamline legacy well abandonment activities, facilitating offshore storage for hydrogen and carbon capture and storage (CCS) projects. The company introduced the Recoverable Abandonment Frame (RAF) technology, which aims to reduce costs and save time during well re-entry and re-abandonment processes. By targeting offshore wells passing through oil and gas reservoirs or saline aquifers, Aquaterra Energy's solution opens up opportunities for repurposing these wells for CO2 or hydrogen storage. Legacy well re-entry and re-abandonment pose economic and technical challenges, especially for CCS and hydrogen storage projects. Addressing issues like leak risks and technical effectiveness, Aquaterra Energy leverages advanced seabed and subsurface surveying technologies to ensure precise identification and location of legacy wells. The RAF technology allows for efficient re-engagement and re-abandonment through a vertical tie-back method, protecting vulnerable well components during the process. The company's approach not only reduces costs by up to 80% and shortens project timelines by 50% but also enables the re-abandonment of previously unfeasible wells, thus supporting the viability of carbon and hydrogen storage projects. Aquaterra Energy's commitment to innovation in the energy transition is evident through the development of this cutting-edge technology, which has garnered interest from oil and gas companies and CCS operators in regions like the North Sea and APAC. By engaging in talks with industry stakeholders and securing contracts for global offshore operations, Aquaterra Energy is positioning itself as a key player in advancing offshore well abandonment technology for the storage of hydrogen and CCS. The company's focus on cost efficiency, safety, and operational efficiency underscores its contribution to driving the energy transition forward.
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