Walter E. Friedl

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The Woodlands, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Removing a casing section in a wellbore
- Patent number 10,883,359
- Issue date Jan 5, 2021
- Wellbore Integrity Solutions LLC
- David A. Stokes
- E21 - EARTH DRILLING MINING
Information Patent Grant
Milling tools with a secondary attrition system
- Patent number 10,538,983
- Issue date Jan 21, 2020
- Schlumberger Technology Corporation
- Manoj D. Mahajan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
REMOVING A CASING SECTION IN A WELLBORE
- Publication number 20180245450
- Publication date Aug 30, 2018
- SCHLUMBERGER TECHNOLOGY CORPORATION
- David A. Stokes
- E21 - EARTH DRILLING MINING
Information Patent Application
MILLING TOOLS WITH A SECONDARY ATTRITION SYSTEM
- Publication number 20160040496
- Publication date Feb 11, 2016
- Smith International, Inc.
- Manoj D. Mahajan
- E21 - EARTH DRILLING MINING
Information Patent Application
MILLING SYSTEM PROVIDING CUTTINGS RE-CIRCULATION
- Publication number 20160040495
- Publication date Feb 11, 2016
- Smith International, Inc.
- Manoj D. Mahajan
- E21 - EARTH DRILLING MINING