Riserless Well Intervention System

Primary well control safety system allowing efficient subsea well access from an intervention vessel

The Riserless Well Intervention System (RWIS) provides a safe and efficient method of gaining subsea well access. Deployed from a mono-hull vessel, this wire through water system can be rapidly mobilized and deployed for all subsea well access requirements. This RWI system has the capability to interface with any Xmas Tree type for performing activities in the following market segments:

  • Development – Tree deployment and de-suspension operations 
  • Intervention – Production enhancements and well integrity
  • Abandonment – Plug & Abandonment operations

This lightweight system utilizes the Expro field proven and qualified ball valve technology, ensuring safe and reliable subsea well access.

We provide a full-service offering for riserless and riser-based well intervention and plug and abandonment (P&A) markets, that includes all marine, ROV, well intervention, wireline, e-line, CoilHose, subsea well access, hydraulic intervention, well planning, execution and offshore well management from a single supplier using one contracting entity.


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