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Eric Roberto Upchurch
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Long Beach, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Simultaneous drilling and open hole wireline logging for drilling rigs
Patent number
8,020,633
Issue date
Sep 20, 2011
Chevron U.S.A. Inc.
George R. Buck
E21 - EARTH DRILLING MINING
Information
Patent Grant
Open hole logging for drilling rigs
Patent number
7,836,974
Issue date
Nov 23, 2010
Chevron U.S.A. Inc.
George R. Buck
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of determining fracture closure pressures in hydraulicfractu...
Patent number
6,364,015
Issue date
Apr 2, 2002
Phillips Petroleum Company
Eric R. Upchurch
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
AUTONOMOUS SELF-REGULATING INJECTION CONTROL VALVE (ASRICV)
Publication number
20240191599
Publication date
Jun 13, 2024
Chevron U.S.A. Inc.
Eric Roberto Upchurch
E21 - EARTH DRILLING MINING
Information
Patent Application
Simultaneous Drilling and Open Hole Wireline Logging for Drilling Rigs
Publication number
20110024109
Publication date
Feb 3, 2011
Chevron U.S.A. Inc.
George R. BUCK
E21 - EARTH DRILLING MINING
Information
Patent Application
OPEN HOLE LOGGING FOR DRILLING RIGS
Publication number
20080289818
Publication date
Nov 27, 2008
CHEVRON ENERGY TECHNOLOGY COMPANY
George R. Buck
E21 - EARTH DRILLING MINING