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An annular plug
as unique as your well

Throughout its lifecycle, each well presents its own challenges. The integrity, safety and performance of your asset can be impacted by increased and/or unwanted water production, or integrity issues like sustained casing pressure. To overcome this you need a solution that’s as individual as your well.

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Our annular isolation solution precisely delivers a seal to your well.
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Using a tailored sealing solution, we accurately plug the annulus in both vertical and horizontal wells. Delivered in a single well run by our patented downhole delivery tool, CannSeal technology extends the life of your well.

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Re-establish the integrity of your well
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Extend field life and improve recovery
Advanced production facilities

We have developed state-of-the-art testing facilities at our HQ in Stavanger, Norway, to ensure that every stage of a project can be rigorously analysed and tested before deployment.

Along with our production facilities, with several planetary mixers for large-scale epoxy production, we have a fully-equipped lab for reviewing and qualifying our solutions. 

To simulate real well conditions, we have invested in a 40-meter-deep test well, with full temperature and pressure capabilities, as well as an 18-meter-long horizontal test well.

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Latest News and Events

 2021: A Year of Company and Industry Firsts at CannSeal 

29 December 2021


A commentary and yearly roundup by Thomas Ringe, CannSeal CEO.


​As we move towards 2022, and the past year begins to come into focus in the rear-view mirror, I wanted to take some time to reflect on 2021 here at CannSeal. 

CannSeal and Neptune Energy complete another industry-first sealing of reservoir sections by placing Epoxy plugs

29 September 2021


With a solution unique to the industry, CannSeal and Neptune Energy installed ultra-high viscosity annular plugs in an open annulus to achieve zonal isolation. 

The application overcame complex well issues and complications with swell packers to enable further well completions.  

CannSeal unlocks a reduction in gas production from a lower reservoir section in a gravel packed completion

21 June 2021


In an industry first, CannSeal effectively reduced gas production from a lower zone, placing an annular plug to seal off the 20/40 gravel packed annulus and work in combination with a choke.

CannSeal's ZonalSeal technology for pin-point accuracy with the placement of the annular plug while installing a gravel pack completion in a single operation

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