Norwegian oilfield technology · Since 2007

The hardest kilometres are downhole.

Toolserv develops robust downhole tools for well construction — engineered in Norway, field proven on five continents. Our drag reduction swivels take completions all the way to target depth.

  • 2007Founded in Stavanger, Norway
  • 5Continents with field proven tools
  • 4Proprietary product lines
  • 1Goal: reaching target depth
Our products

Robust solutions for well construction

Focused and agile — we develop tools on behalf of operators and prove them in the field.

Flagship

Swivel DRS-H & DRS-M

Drill pipe swivels that optimize casing and liner running by allowing high-speed string rotation without rotating the top drive or rig floor equipment. Prevents torque buildup, protects wellbore integrity and casing, and enables smooth string insertion in high-angle and complex wells.

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Screen Saver Valve™

A gas-tight, metal-to-metal seal float valve that increases well integrity in completions. The SSV ensures no unwanted influx of water, gas or sand for the lifetime of the well.

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Indexing Sub

Enables controlled, staged rotation of casing or liner strings during axial movement (pick-up/set-down). By converting vertical movement into incremental rotation without generating torque on set-down, it helps navigate tight spots, clear debris and reach target depth safely in complex wellbores.

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New

Swivel DRS-ATL

Allows safe and controlled full string rotation while protecting the string from over-torque. When the pre-set torque limit is reached, the swivel automatically activates — ensuring the string is never exposed to torque beyond the set limit.

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Global presence

From the North Sea to five continents

  • Developed and engineered in Stavanger, Norway — in the middle of the North Sea oil service cluster.
  • Field proven through case studies in Asia Pacific, where the DRS-H swivel delivers extended reach completions.
  • Strong local partnerships from Guyana to the Middle East and Asia, delivering value close to the operation.
  • Engineering, rental, workshop and repair services keep tools running wherever the well is.

Big enough to handle, small enough to care

A focused oil service provider developing tools on behalf of operators — with the agility to solve your toughest downhole challenges.

Our services

Everything around the tool

From first sketch to repaired and re-certified equipment.

ONS 2026 · Stavanger

In Stavanger for ONS? You're in our backyard.

Get in touch and see the tools where they were built.

Get in touch