Donald R. GIRDLER

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for cementing and cleaning a reservoir liner
- Patent number 10,851,618
- Issue date Dec 1, 2020
- ConocoPhillips Company
- Hans Martin Leistad
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR CEMENTING AND CLEANING A RESERVOIR LINER
- Publication number 20210047897
- Publication date Feb 18, 2021
- ConocoPhillips Company
- Hans Martin LEISTAD
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND APPARATUS FOR CEMENTING AND CLEANING A RESERVOIR LINER
- Publication number 20190162045
- Publication date May 30, 2019
- ConocoPhillips Company
- Hans Martin LEISTAD
- E21 - EARTH DRILLING MINING