Reliable, efficient riser tieback for safe connection to existing offshore well conductors.

Aquaterra Energy’s Tieback Stinger is designed to guide and connect the riser string to an existing conductor stub safely and efficiently. Its universal design supports multiple wellhead configurations, reducing connection risk and speeding up offshore operations. The system also removes the need for centralisers on platform wells, delivering both operational and capital cost savings.

Engineered for efficient offshore deployment

The Tieback Stinger provides a robust conduit between the riser string and wellhead conductor, supporting safe and efficient tieback operations. Manufactured from readily available API schedule pipe, the system offers excellent bending strength to withstand subsea environmental loading.

Its large internal bore allows unrestricted passage of tools, while the angled stabbing guide helps prevent hang-ups and supports smooth installation. Depth markers aid accurate positioning, and the reusable design allows deployment across multiple operations, improving long-term project value.

Applications

The Tieback Stinger supports a range of offshore well operations, including:

  • Riser tieback to existing wellhead conductors
  • Platform well intervention, drilling, and production
  • Well re-entry and decommissioning operations
  • Providing guidance and conduit for riser-to-wellhead connection

We are also able to provide the specialist tieback engineering and tooling equipment required for customers’ tieback operations, for more information click here.

Reduced connection risk

Guides the riser into the conductor stub, improving alignment and reducing installation uncertainty.

Operational efficiency

Weight-set design allows installation without additional running or setting tools.

Lower project costs

Removes the need for centralisers and reduces rig time during tieback operations.

Products

Drilling

Proven, flexible and integrated drilling well access solutions, improving efficiency across subsea developments.

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Intervention
& abandonment

Riser-based systems for safe and reliable well re-entry, for intervention and abandonment operations.

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Offshore analysis

Intelligent analysis supporting confident delivery, smarter investment and sustained project success.

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Carbon capture & storage

Expert CO₂ storage solutions, supporting tomorrow’s energy transition.

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Subsea

Integrated subsea systems connecting seabed infrastructure through to surface operations.

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Tensioning

Trusted tension capabilities built for ease, longevity and performance.

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Platforms

Innovative offshore platforms tailored to unique project needs, from concept to installation.

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Offshore equipment & services

Delivering a full suite of specialist products, supported by decades of offshore expertise.

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