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Stein Erik MOI
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Hommersak, NO
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Patents Grants
last 30 patents
Information
Patent Grant
Downhole fluid flow diverting
Patent number
10,138,695
Issue date
Nov 27, 2018
Halliburton Energy Services, Inc.
Olivier Christophe Roche
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for actuating a bottom tool
Patent number
8,936,112
Issue date
Jan 20, 2015
Halliburton Energy Services, Inc.
Erik Dithmar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for actuating a bottom tool
Patent number
8,251,161
Issue date
Aug 28, 2012
Halliburton Energy Services, Inc.
Erik Dithmar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bore hole underreamer having extendible cutting arms
Patent number
6,929,076
Issue date
Aug 16, 2005
Security DBS NV/SA
Philippe Fanuel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bore hole underreamer
Patent number
6,886,633
Issue date
May 3, 2005
Security DBS NV/SA
Philipp Fanuel
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DOWNHOLE FLUID FLOW DIVERTING
Publication number
20170130544
Publication date
May 11, 2017
Halliburton Energy Services, Inc.
Olivier Christophe ROCHE
E21 - EARTH DRILLING MINING
Information
Patent Application
Near-Bit Borehole Opener Tool and Method of Reaming
Publication number
20150226009
Publication date
Aug 13, 2015
Halliburton Energy Services, Inc.
Eric Yves Claudey
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole tool
Publication number
20120318497
Publication date
Dec 20, 2012
Erik Dithmar
E21 - EARTH DRILLING MINING
Information
Patent Application
Device or Actuating a Bottom Tool
Publication number
20100126715
Publication date
May 27, 2010
Erik Dithmar
E21 - EARTH DRILLING MINING
Information
Patent Application
Bore hole underreamer having extendible cutting arms
Publication number
20040065479
Publication date
Apr 8, 2004
Philippe Fanuel
E21 - EARTH DRILLING MINING
Information
Patent Application
Bore hole underreamer
Publication number
20040065480
Publication date
Apr 8, 2004
Security DBS NV/SA
Philippe Fanuel
E21 - EARTH DRILLING MINING