EPO Patents = 10

Forward Citations = 11

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8 inventors (with patents filed for the assignee):

Stian Tøndel (6 out of 6 patents)

Torgeir Rusten (5 out of 5 patents)

Michael Skjold (3 out of 3 patents)

4. Espen Hiorth (1 out of 34 patents)

5. Kent-Andre Bomann (1 out of 1 patent)

6. Darren James Wilkinson (1 out of 1 patent)

7. Terje Vemøy Eldevik (1 out of 1 patent)

8. Gaute Sandvik (1 out of 1 patent)

9. Terje VEMØY Eldevik (0 patent)

10 patents: Sort by Forward Citations

1. 12560048 - Method for providing a permanent barrier in a well (2026-02-24),

2. 12404738 - Downhole pressure equalizer (2025-09-02),

3. 12291942 - System and method for forming a permanent barrier in a well (2025-05-06),

4. 12203337 - Thermite reaction charge, method for forming a threephased rock-to-rock well barrier, and a well barrier formed thereof (2025-01-21),

5. 12129736 - Method for providing a permanent barrier in a well (2024-10-29),

6. 12024973 - Well tool device for forming a permanent cap rock to cap rock barrier and method for using same (2024-07-02),

7. 12024970 - Well tool device and method of forming a permanent well barrier, configured to generate a forced flow of molten mass (2024-07-02),

8. 11927065 - Well tool device for forming a permanent barrier in a well (2024-03-12),

9. 10883329 - Ignitor, system and method of electrical ignition of exothermic mixture (2021-01-05),

10. 9683420 - Method of well operation (2017-06-20),

Company Overview

Interwell P&A AS is a Norwegian company specializing in innovative solutions for well abandonment and intervention in the oil and gas industry. The organization focuses on developing advanced technologies that enhance safety and efficiency in well plugging and abandonment processes. With a commitment to sustainability, Interwell aims to minimize environmental impact while providing reliable services to its clients. The company operates primarily in the North Sea region, leveraging its expertise to address the challenges of well decommissioning.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

10 Patents

#2 in Hafrsfjord

#168 in Norway

#56,092 in the World

Hafrsfjord, Norway

Interwell P&a as

Forward Citations = 11

8 inventors:

Stian Tøndel (6 out of 6 patents)

Torgeir Rusten (5 out of 5 patents)

Michael Skjold (3 out of 3 patents)

4. Espen Hiorth (1 out of 34 patents)

5. Kent-Andre Bomann (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Interwell P&a as. Retrieved from https://idiyas.com/company/interwell-p-and-a-as

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

10 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]