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For the Inventor, By the Inventor

Aberdeen, United Kingdom

Petrowell Limited

Calculating rank
USPTO Granted Patents = 38

% Expired Patents = 31.6



Forward Citations = 216

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28 inventors (with patents filed for the assignee):

goldMedal Daniel George Purkis (20 out of 60 patents)

silverMedal Iain Morrison MacLeod (4 out of 9 patents)

bronzeMedal 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:

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),
Company Overview
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 synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

38 Patents

#7 in Aberdeen

#472 in United Kingdom

#17,860 in the World

Aberdeen, GB
Aberdeen, United Kingdom

Petrowell Limited

Forward Citations = 216

28 inventors:

goldMedal Daniel George Purkis (20 out of 60 patents)

silverMedal Iain Morrison MacLeod (4 out of 9 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Petrowell Limited. Retrieved from https://idiyas.com/company/petrowell

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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