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What we do

What we do

Worldwide, there are more than 6,000 subsea wells with more on the way. These wells are getting older and need intervention to maintain production or integrity.

Traditionally, a drilling rig performs well interventions. TIOS does things differently, performing Light Well Intervention (LWI) services from a monohull vessel. The result? Better service:

  • Lower carbon footprint per operation
  • Improved operational efficiency per well
  • Cost reduction per day

Our drive is to provide innovative solutions with minimum environmental impact by implementing new methods and improving existing ones.

Riserless wireline based intervention (RLWI)

Riserless wireline based intervention (RLWI)

In servicing subsea wells, what others do from a rig with riser-based wireline, we can do from a vessel with riserless wireline. Services include diagnostics, stimulation, surveillance, zonal isolation, equipment manipulation and mechanical repairs.

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Riserless coiled tubing (RLCT)

Riserless coiled tubing (RLCT)

TIOS has developed a riserless coiled tubing concept for operations, employing more force than a wireline service and offering the possibility to circulate.

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Plug and abandonment (P&A)

Plug and abandonment (P&A)

Once the domain of drilling rigs, monohull vessels are now successfully performing plug and abandonment services for subsea wells and recovering wellheads. In performing these P&A services, TIOS complies with all Norwegian and UK regulations and can supply full project responsibility.

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Pilot hole/ top hole drilling

Pilot hole/ top hole drilling

Based on several studies and two successful operations, TIOS now provides the capabilities to drill pilot holes, drill surface holes for conductor pipe, install subsea wellhead systems and cement pipes in place.

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Downhole technology

Downhole technology

Our research and development activities have led us to develop new and improved downhole tools not available on the market, like our new Precision Drilling Tool (PDT). For market reservoir simulation technology, we partner with Alberta-based Penetrators Canada Inc., an innovative oilfield consulting firm we partially own.

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Engineering services

Engineering services

We provide integrated engineering services to plan, design and manage solutions for complex projects in harsh and challenging environments. We work closely with clients to clearly define methods and potential scope of work. Through research and development, we continuously work to extend the life of the field, boost efficiency and reduce costs.

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Onshore operational support

Onshore operational support

To support offshore campaigns, our highly skilled onshore operations personnel have years of experience and competency in project management, Light Well Intervention and marine operations.

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Offshore personnel

Offshore personnel

Committed, highly skilled and experienced, our offshore personnel are our most valuable assets. We perform our jobs with pride and strive to deliver efficient and safe operations. Every year we become more efficient. We constantly challenge and improve best practices in everything we do.

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Track record and work experience

Track record and work experience

TIOS has performed intervention services on more than 600 subsea wells. In total, we have executed more than 3,300 runs in hole, performing a wide range of services.

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Rental Equipment

Rental Equipment

TIOS offers equipment rental services. Please click here for more information and an overview of available equipment.

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