John MacDonald

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Aberdeenshire, GB

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Patents Applicationslast 30 patents

Information Patent Application
OILFIELD SYSTEM
- Publication number 20240352839
- Publication date Oct 24, 2024
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Robb Wheatley
- E21 - EARTH DRILLING MINING
Information Patent Application
OILFIELD SYSTEM
- Publication number 20210348490
- Publication date Nov 11, 2021
- Robb Wheatley
- E21 - EARTH DRILLING MINING