Innovative Solution for Legacy Well Re-Entry in Offshore Energy Transition
Key Ideas
  • Aquaterra Energy introduces Recoverable Abandonment Frame (RAF) for legacy well re-entry and re-abandonment, addressing challenges in offshore energy transition projects.
  • The RAF utilizes advanced surveying technologies to precisely locate wells and employs a vertical well re-entry tieback method for successful re-abandonment, protecting components from environmental loading.
  • The innovative solution offers cost savings of £18-20 million per abandoned well, reduces project timelines by up to 50%, and enables the viability of carbon and hydrogen storage projects.
  • Aquaterra Energy's technology is attracting interest from major oil and gas operators and CCS specialists globally, with discussions ongoing for deployment in regions like the North Sea and APAC.
Aquaterra Energy has launched a groundbreaking solution for legacy well re-entry and re-abandonment in offshore oil and gas projects to support the energy transition. The introduction of the Recoverable Abandonment Frame (RAF) addresses challenges in locating, re-entering, and re-abandoning legacy wells that intersect offshore oil and gas reservoirs or saline aquifers earmarked for carbon dioxide (CO2) or hydrogen storage. These legacy wells pose significant economic and technical challenges, which Aquaterra Energy's technology aims to overcome. The RAF employs advanced seabed and subsurface surveying technologies to precisely locate wells, enabling a vertical well re-entry tieback method for successful re-abandonment. This approach ensures the protection of the legacy well components from environmental loading, making it a comprehensive solution with environmental, safety, and regulatory considerations in mind. The technology is designed for repeated use across multiple wells and locations, with a modular design that allows for global shipping or road transport, enhancing its flexibility and applicability. By introducing the RAF and associated re-entry services, Aquaterra Energy demonstrates its commitment to innovation and addressing the challenges of the energy transition. The solution not only offers substantial cost savings of £18-20 million per abandoned well but also reduces project timelines by up to 50%, making well abandonment more efficient and cost-effective. This efficiency could potentially unlock previously unfeasible projects, such as carbon and hydrogen storage, by significantly lowering operational costs. The positive sentiment towards Aquaterra Energy's technology is evident in the industry, with major oil and gas operators and CCS specialists showing interest in deploying the legacy well re-entry services and RAF technology. Ongoing discussions with global players highlight the potential for widespread adoption of this innovative solution in regions like the North Sea and APAC, signaling a major step forward in abandonment technology for offshore energy projects.
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