David Lyall Mitchell

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Singapore, SG

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Patents Applicationslast 30 patents

Information Patent Application
Downhole Valve With Rotational Position Sensor
- Publication number 20240295158
- Publication date Sep 5, 2024
- Halliburton Energy Services, Inc.
- David Lyall Mitchell
- E21 - EARTH DRILLING MINING
Information Patent Application
Pre-Positioning A Meltable Seal For Plug And Abandonment
- Publication number 20240141754
- Publication date May 2, 2024
- Halliburton Energy Services, Inc.
- David Lyall Mitchell
- E21 - EARTH DRILLING MINING