Paul Day

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Aberdeen, GB

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Patents Grantslast 30 patents

Information Patent Grant
Completion system apparatus
- Patent number 11,434,728
- Issue date Sep 6, 2022
- Weatherford U.K. Limited
- Mark Presslie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tubing tester valve and associated methods
- Patent number 11,174,705
- Issue date Nov 16, 2021
- Weatherford Technology Holdings, LLC
- Iain D. Coates
- E21 - EARTH DRILLING MINING
Information Patent Grant
Temporarily impermeable sleeve for running a well component in hole
- Patent number 9,938,802
- Issue date Apr 10, 2018
- Weatherford Technology Holdings, LLC
- John S. Sladic
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Completion System Apparatus
- Publication number 20200386083
- Publication date Dec 10, 2020
- Weatherford U.K. Limited
- Mark Presslie
- E21 - EARTH DRILLING MINING
Information Patent Application
TUBING TESTER VALVE AND ASSOCIATED METHODS
- Publication number 20200347699
- Publication date Nov 5, 2020
- Weatherford Technology Holdings, LLC.
- Iain D. COATES
- E21 - EARTH DRILLING MINING
Information Patent Application
Temporarily Impermeable Sleeve for Running a Well Component in Hole
- Publication number 20160222767
- Publication date Aug 4, 2016
- Weatherford Technology Holdings, LLC.
- John S. Sladic
- E21 - EARTH DRILLING MINING