Gregory Au

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Packoff seals and processes for using same
- Patent number 10,487,616
- Issue date Nov 26, 2019
- Schlumberger Technology Corporation
- Joseph Varkey
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole toolstring spacer placement systems and methods
- Patent number 10,408,697
- Issue date Sep 10, 2019
- Schlumberger Technology Corporation
- Kai Hsu
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
PACKOFF SEALS AND PROCESSES FOR USING SAME
- Publication number 20190003278
- Publication date Jan 3, 2019
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Joseph Varkey
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE TOOLSTRING SPACER PLACEMENT SYSTEMS AND METHODS
- Publication number 20180181700
- Publication date Jun 28, 2018
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Kai Hsu
- G06 - COMPUTING CALCULATING COUNTING