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For the Inventor, By the Inventor

Stavanger, Norway

Statoil Petroleum as

USPTO Granted Patents = 163

% Expired Patents = 27.0



Forward Citations = 346

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244 inventors (with patents filed for the assignee):

goldMedal Haavard Aakre (9 out of 20 patents)

silverMedal Gjermund Grimsbo (9 out of 12 patents)

bronzeMedal Vidar Mathiesen (8 out of 18 patents)

4.  Pål Viggo Hemmingsen (8 out of 12 patents)

5.  Lars Brenne (8 out of 16 patents)

6.  Harald Underbakke (7 out of 11 patents)

7.  Halvor Kjørholt (6 out of 9 patents)

8.  Lasse Amundsen (6 out of 19 patents)

9.  Morten Eidem (6 out of 15 patents)

10.  Rainer Hoffmann (6 out of 9 patents)

11.  Lene Amundsen (6 out of 6 patents)

12.  William Bakke (6 out of 7 patents)

13.  Bjørnar Werswick (6 out of 9 patents)

14.  Steinar Wasa Tverlid (6 out of 6 patents)

15.  Harald Westerdahl (5 out of 22 patents)


Core Competencies:
Subsea Processing
Fluid Measurement
Well Control
Seismic Sensor
Hydrocarbon Recovery
Temperature Control
Cement Properties
Gas Compression
Fluid Separation
Pipeline Method
Electro-Magnetic Antenna
Acoustic Measurement

163 patents:

1. 11814951 - Inflow channel for determining properties of fluid flowing therethrough (2023-11-14),
2. 11733418 - P/S wave measurement and compensation (2023-08-22),
3. 11143788 - Efficient solutions of inverse problems (2021-10-12),
4. 11092707 - Determining a component of a wave field (2021-08-17),
5. 11085287 - Measurement of cement properties (2021-08-10),
6. 11085274 - Method and system for the optimisation of the addition of diluent to an oil well comprising a downhole pump (2021-08-10),
7. 11047194 - Method and system for removing iron-containing casing from a well bore (2021-06-29),
8. 11022595 - Determining the phase composition of a fluid flow (2021-06-01),
9. 10890055 - Method for inverting oil continuous flow to water continuous flow (2021-01-12),
10. 10865619 - Method of plugging a well (2020-12-15),
11. 10845493 - Model compression (2020-11-24),
12. 10724349 - Subsea wellhead assembly (2020-07-28),
13. 10705233 - Determining a component of a wave field (2020-07-07),
14. 10697286 - Method of identifying a material and/or condition of a material in a borehole (2020-06-30),
15. 10697271 - Method for achieving zonal control in a wellbore when using casing or liner drilling (2020-06-30),
Company Overview
Statoil Petroleum AS, now known as Equinor, is a leading energy company based in Stavanger, Norway, specializing in subsea technology. The organization focuses on the development and implementation of advanced solutions in subsea processing, fluid measurement, and well control. Its expertise extends to seismic sensors, hydrocarbon recovery, temperature control, and gas compression, contributing to efficient and sustainable energy production. Equinor is committed to innovation in the energy sector, enhancing operational performance while addressing environmental challenges.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

Statoil Petroleum as USPTO Patent Assignee Logo
163 Patents

#1 in Stavanger

#7 in Norway

#5,071 in the World

Stavanger, NO
Stavanger, Norway

Statoil Petroleum as

Forward Citations = 346

244 inventors:

goldMedal Haavard Aakre (9 out of 20 patents)

silverMedal Gjermund Grimsbo (9 out of 12 patents)

bronzeMedal Vidar Mathiesen (8 out of 18 patents)

4.  Pål Viggo Hemmingsen (8 out of 12 patents)

5.  Lars Brenne (8 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Statoil Petroleum as. Retrieved from https://idiyas.com/company/statoil-petroleum-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]
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