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For the Inventor, By the Inventor

Stavanger, Norway

Statoil Asa

USPTO Granted Patents = 106

% Expired Patents = 37.7



Trademarks = 3

Forward Citations = 1,525

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195 inventors (with patents filed for the assignee):

goldMedal Erling Rytter (12 out of 29 patents)

silverMedal Hans Kristian Kotlar (7 out of 9 patents)

bronzeMedal Ola Olsvik (7 out of 9 patents)

4.  Jostein Sogge (7 out of 7 patents)

5.  Harald Westerdahl (6 out of 22 patents)

6.  Fan-nian Kong (6 out of 18 patents)

7.  Svein Ellingsrud (6 out of 19 patents)

8.  Paul Meldahl (6 out of 8 patents)

9.  Terje Eidesmo (6 out of 16 patents)

10.  Keijo J Kinnari (5 out of 7 patents)

11.  Harald Linga (4 out of 9 patents)

12.  Egil Sunde (4 out of 12 patents)

13.  Catherine Labes-Carrier (4 out of 6 patents)

14.  Finn Patrick Nilsen (4 out of 7 patents)

15.  Vidar Mathiesen (3 out of 18 patents)


Core Competencies:
Solvent Injection
Formation Testing
Polymer Gels
Gas Injection
Carbon Dioxide Storage
Seismic Exploration
Fischer-Tropsch Catalysts
Well Treatment
Hydrate Formation
Subsea Installations
Fluid Flow Control
Cryogenic Fluids

106 patents:

1. 10190400 - Solvent injection recovery process (2019-01-29),
2. 10107096 - Formation testing (2018-10-23),
3. 10094208 - Solvent and gas injection recovery process (2018-10-09),
4. 9903169 - Polymer gels as flow improvers in water injection systems (2018-02-27),
5. 9470077 - [object Object] (2016-10-18),
6. 9416790 - Method and apparatus for composition based compressor control and performance monitoring (2016-08-16),
7. 9328595 - Single well stream assisted gravity drainage (2016-05-03),
8. 9194215 - Methods for storing carbon dioxide compositions in subterranean geological formations (2015-11-24),
9. 9115577 - Solvent injection recovery process (2015-08-25),
10. 8952076 - Fischer-Tropsch catalysts (2015-02-10),
11. 8871689 - Drilling fluid additive and methods of stabilizing kaolinite fines migration (2014-10-28),
12. 8863855 - Method of enhancing oil recovery (2014-10-21),
13. 8770126 - Method and apparatus for towing offshore wind turbines (2014-07-08),
14. 8657940 - Separation and capture of liquids of a multiphase flow (2014-02-25),
15. 8596358 - Well treatment (2013-12-03),
Company Overview
Statoil ASA, now known as Equinor, is a Norwegian energy company headquartered in Stavanger, specializing in advanced oil recovery techniques. The organization focuses on innovative methods such as solvent injection, gas injection, and polymer gels to enhance oil extraction efficiency. Additionally, Statoil is engaged in carbon dioxide storage and seismic exploration, contributing to sustainable energy practices. Its expertise extends to Fischer-Tropsch catalysts and well treatment, positioning it as a leader in the oil and gas sector with a commitment to environmental stewardship.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Statoil Asa USPTO Patent Assignee Logo
106 Patents

#4 in Stavanger

#14 in Norway

#7,411 in the World

Stavanger, NO
Stavanger, Norway

Statoil Asa

Forward Citations = 1,525

195 inventors:

goldMedal Erling Rytter (12 out of 29 patents)

silverMedal Hans Kristian Kotlar (7 out of 9 patents)

bronzeMedal Ola Olsvik (7 out of 9 patents)

4.  Jostein Sogge (7 out of 7 patents)

5.  Harald Westerdahl (6 out of 22 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Statoil Asa. Retrieved from https://idiyas.com/company/statoil-asa

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]
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