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Aberdeen, United Kingdom

Petrowell Limited

USPTO Granted Patents = 38

% Expired Patents = 31.6

CIPO Patents = 27

EPO Patents = 15

Forward Citations = 216

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28 inventors (with patents filed for the assignee):

Daniel George Purkis (20 out of 60 patents)

Iain Morrison MacLeod (4 out of 9 patents)

Steve Reid (4 out of 4 patents)

4. Andrew John Elrick (3 out of 15 patents)

5. Damien Gerard Patton (3 out of 9 patents)

6. Lee Mercer (3 out of 7 patents)

7. Colin Smith (3 out of 3 patents)

8. Stephen Reid (2 out of 25 patents)

9. Matthew Manning (2 out of 12 patents)

10. Oliver Webster (2 out of 6 patents)

11. Iain McLeod (2 out of 2 patents)

12. Iain Morrison Macleod (2 out of 13 patents)

13. Ian Jaffrey (1 out of 5 patents)

14. Alan Craigon (1 out of 2 patents)

15. Philip C G Egleton (1 out of 4 patents)

Core Competencies:

Downhole Apparatus

Fracturing System

Well Completion

Downhole Tool

Communication Apparatus

Flow Control Device

Pressure Actuable Tool

Packer

Mechanical Counter

Centraliser

Valve Assembly

Wellhead Assembly

38 patents: Sort by Forward Citations

1. 10077633 - Downhole apparatus and method (2018-09-18),

2. 10077627 - Downhole apparatus and method (2018-09-18),

3. 9739127 - Method and system for operating a downhole tool, for fracturing a formation and/or for completing a wellbore (2017-08-22),

4. 9702231 - Tubing section (2017-07-11),

5. 9695656 - Shifting tool (2017-07-04),

6. 9677397 - Downhole detection (2017-06-13),

7. 9631458 - Switching device for, and a method of switching, a downhole tool (2017-04-25),

8. 9562411 - Packer (2017-02-07),

9. 9488046 - Apparatus and method for downhole communication (2016-11-08),

10. 9416643 - Selective fracturing system (2016-08-16),

11. 9359890 - Method of and apparatus for completing a well (2016-06-07),

12. 9359842 - Downhole actuating apparatus (2016-06-07),

13. 9200501 - Valve assembly (2015-12-01),

14. 9194213 - Packer (2015-11-24),

15. 9194197 - Mechanical counter (2015-11-24),

Petrowell Limited is a technology-driven company based in Aberdeen, specializing in the development of innovative solutions for the oil and gas industry. The organization focuses on enhancing drilling efficiency and safety through advanced engineering and proprietary technologies. With a commitment to research and development, Petrowell aims to address the evolving challenges in energy extraction and production, contributing to sustainable practices within the sector. Its expertise spans various aspects of drilling operations, ensuring optimal performance and reliability.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

38 Patents

#6 in Aberdeen

#471 in United Kingdom

#17,831 in the World

Aberdeen, United Kingdom

Petrowell Limited

Forward Citations = 216

28 inventors:

Daniel George Purkis (20 out of 60 patents)

Iain Morrison MacLeod (4 out of 9 patents)

Steve Reid (4 out of 4 patents)

4. Andrew John Elrick (3 out of 15 patents)

5. Damien Gerard Patton (3 out of 9 patents)

Please report any incorrect information to [email protected]

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