David Mills

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Sugar Land, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for orienting perforating devices
- Patent number 8,439,114
- Issue date May 14, 2013
- Schlumberger Technology Corporation
- Robert A. Parrott
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for orienting perforating devices
- Patent number 7,114,564
- Issue date Oct 3, 2006
- Schlumberger Technology Corporation
- Robert A. Parrott
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
FUNCTIONALLY GRADIENT ELASTOMER MATERIAL FOR DOWNHOLE SEALING ELEMENT
- Publication number 20140060815
- Publication date Mar 6, 2014
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Chunnong Wang
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and Apparatus for Orienting Perforating Devices
- Publication number 20080264639
- Publication date Oct 30, 2008
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Robert A. Parrott
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for orienting perforating devices
- Publication number 20030188867
- Publication date Oct 9, 2003
- Robert A. Parrott
- E21 - EARTH DRILLING MINING