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Raphael Rogman
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Houston, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Acoustic isolation devices for acoustic well logging tools
Patent number
11,180,988
Issue date
Nov 23, 2021
Baker Hughes Oilfield Operations LLC
Weidong Liu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Perforating gun with integrated initiator
Patent number
10,077,641
Issue date
Sep 18, 2018
Schlumberger Technology Corporation
Raphael Rogman
F42 - AMMUNITION BLASTING
Patents Applications
last 30 patents
Information
Patent Application
ACOUSTIC ISOLATION DEVICES FOR ACOUSTIC WELL LOGGING TOOLS
Publication number
20200256185
Publication date
Aug 13, 2020
Baker Hughes Oilfield Operations LLC
Weidong Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
Cohesively Enhanced Modular Perforating Gun
Publication number
20160084048
Publication date
Mar 24, 2016
Edward Harrigan
E21 - EARTH DRILLING MINING
Information
Patent Application
Perforating Gun With Integrated Initiator
Publication number
20150330192
Publication date
Nov 19, 2015
SCHLUMBERGER TECHNOLOGY CORPORATION
Raphael Rogman
E21 - EARTH DRILLING MINING