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Spyro Kotsonis
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Gloucestershire, GB
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Patents Grants
last 30 patents
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Patent Grant
Downhole communication devices and methods of use
Patent number
8,179,278
Issue date
May 15, 2012
Schlumberger Technology Corporation
Fred Shakra
E21 - EARTH DRILLING MINING
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Patent Grant
System and method for drilling wellbores
Patent number
7,849,935
Issue date
Dec 14, 2010
Schlumberger Technology Corporation
Ashley Johnson
E21 - EARTH DRILLING MINING
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Patent Grant
Dual tractor drilling system
Patent number
7,743,849
Issue date
Jun 29, 2010
Schlumberger Technology Corporation
Spyro Kotsonis
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DOWNHOLE COMMUNICATION DEVICES AND METHODS OF USE
Publication number
20100133006
Publication date
Jun 3, 2010
SCHLUMBERGER TECHNOLOGY CORPORATION
Fred Shakra
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE INJECTOR SYSTEM FOR CT AND WIRELINE DRILLING
Publication number
20100108329
Publication date
May 6, 2010
Spyro Kotsonis
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR DRILLING WELLBORES
Publication number
20090038854
Publication date
Feb 12, 2009
SCHLUMBERGER TECHNOLOGY CORPORATION
Ashley Johnson
E21 - EARTH DRILLING MINING