Bertrand Lacour

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Cambridge, GB

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Patents Grantslast 30 patents

Information Patent Grant
Directional drilling system
- Patent number 9,057,223
- Issue date Jun 16, 2015
- Schlumberger Technology Corporation
- Cedric Perrin
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rotary steerable devices and methods of use
- Patent number 7,980,328
- Issue date Jul 19, 2011
- Schlumberger Technology Corporation
- John Hallworth
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Directional Drilling System
- Publication number 20130341098
- Publication date Dec 26, 2013
- Cedric Perrin
- E21 - EARTH DRILLING MINING
Information Patent Application
ROTARY STEERABLE DEVICES AND METHODS OF USE
- Publication number 20100139983
- Publication date Jun 10, 2010
- SCHLUMBERGER TECHNOLOGY CORPORATION
- John Hallworth
- E21 - EARTH DRILLING MINING
Information Patent Application
SELF-STABILIZED AND ANTI-WHIRL DRILL BITS AND BOTTOM-HOLE ASSEMBLIE...
- Publication number 20100101867
- Publication date Apr 29, 2010
- OLIVIER SINDT
- E21 - EARTH DRILLING MINING