Stephen Chase

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Calgary, CA

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Patents Grantslast 30 patents

Information Patent Grant
Reverse-circulation cementing of surface casing
- Patent number 8,162,047
- Issue date Apr 24, 2012
- Halliburton Energy Services Inc.
- Stephen Chase
- E21 - EARTH DRILLING MINING
Information Patent Grant
Reverse-circulation cementing of surface casing
- Patent number 7,654,324
- Issue date Feb 2, 2010
- Halliburton Energy Services, Inc.
- Stephen Chase
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Reverse-Circulation Cementing of Surface Casing
- Publication number 20100051277
- Publication date Mar 4, 2010
- Stephen Chase
- E21 - EARTH DRILLING MINING
Information Patent Application
Reverse-Circulation Cementing of Surface Casing
- Publication number 20090020285
- Publication date Jan 22, 2009
- Stephen Chase
- E21 - EARTH DRILLING MINING