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About Ace
Top stop collars

Ace Well Technology was founded in 2012 with the mission of creating a tool which was easy to install and could reliably anchor tools to tubing with an extremely high holding force. This led us to develop the Ace Ratchet Collar, the first 90,000 lb+ rated stop collar on the market.

Suitable even for close tolerance operations, ARC offers an effective solution for securely locking additional downhole components on to any tube. With no loose parts and no impact on drift, our ARC technology is suitable for use in the harshest of operating conditions.

From our headquarters in Stavanger, Norway, we use the Ace Ratchet Collar as the starting point for wider product development and have since launched a number of products that are built from the foundation of the ARC.  We now offer a family of high-quality tools that are simple, cost-effective and easy to install.

We continue to dedicate ourselves to creating greater value for our customers through innovative product development that positively contributes to increased safety in operations and a reduction in carbon emissions.

Superior stop collars
Tools suitable for close tolerance operations
tools suitable for any well projects

With our roots in Oil and Gas, we are committed to playing our part in the energy transition and our tools are suitable for any well including those in CCS and Geothermal, where we have already completed a number of projects.

Our teams are located in Stavanger, Norway and Houston, USA with hubs coming soon for the Middle East and Africa, and Asia.  We work across the world to develop and maintain strong and lasting customer relationships.

We pride ourselves on our ability to meet the challenges of our customers, operating flexibly to minimize lead times, maximize inventory management and operational efficiency.


We are accountable to our customers, priding ourselves on strong relationships based on trust, reliability and the delivery of value-adding products.

We work closely together with our customers to proactively identify solutions to their well challenges.

We continue to foster a culture of innovation, constantly looking for ways to break the mould and develop extraordinary products.

Energy experts in Stavanger, Norway

Ace Team

We are a small and driven team who are passionate about innovation for a better future. With a broad experience both in and out of the energy industry, our team works together to continue to make Ace Well Technology a holding force downhole.

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