Select a local Contact

Arild Helleren

Region Director, Asia Pacific
Phone: +60 12 304 3681

Brett Hrabovsky

Area Manager Oiltools North America
Phone: +1 (281) 785 9222

Nordine Benyahia

Business Development Manager, Angola
Phone: +244 943 254 580

Vaughn Griffin

Region Director, Middle East
Phone: +971 552 3333 86

Bjørn Bærheim

Region Director, Europe & Africa
Phone: + 47 51 30 81 70

Bjørn Bærheim

Region Director
Phone: + 47 51 30 81 70

Lars Harald Norheim

Director Business Development & Sales

Kenneth Bertram

Country Manager
Phone: +44 01224 767677
Tornar® Wellbore Cleaning Technology - Clean and solids-free wellbore

Wellbore debris is a major challenge in wellbores worldwide. A clean wellbore is important when running expensive and sensitive completion strings. A failure in running a completion will have a high impact in well costs. Therefore, the removal and collection of debris, and the verification of debris removal, are of high importance.

Archer’s range of wellbore cleanup tools is designed for successful and effective wellbore cleanup operations, including the task of removing and retrieving any debris down hole.

Fluid Velocity + Rotation = Tornar®

The name Tornar® is derived from the word Tornado and Archer. Coincidentally Tornar® is also a Spanish word which means return to or give back, which is exactly what Tornar® Technology does, it returns the wellbore to a pristine clean condition. A tornado is a combination of high rotation speed and fluid velocity. These elements together with fluid rheology are the 3 most important elements in efficient wellbore cleaning. Together they create "Tornar® wellbore cleaning".

3 elements in efficient wellbore cleaning
  • High Rotation speed is important to create turbulent flow and transport debris in to the flow regime in the vertical section of a well.
  • Fluid Velocity is important to transport debris out of the well. Maintaining a constant fluid velocity in the different sections is important to avoid debris settlings when there is a change in liner or casing size.
  • Fluid Rheology is equally important to create a viscous coupling with the drillpipe and suspend debris in the flow regime.

Related Challenges


A large number of oil and gas assets are coming to the end of their designed life expectancy and need to be decommissioned safely, securely and cost effectively.

Learn More

Well Integrity

Well integrity is concerned with the safe and reliable containment of all well fluids throughout the life of a well, including after decommissioning.

Learn More