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Alvaro Jose Arrazola
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Houston, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Pre-tensing sections of concentric tubulars
Patent number
9,574,424
Issue date
Feb 21, 2017
Chevron U.S.A. Inc.
George Taylor Armistead
E21 - EARTH DRILLING MINING
Information
Patent Grant
One trip toe-to-heel gravel pack and liner cementing assembly
Patent number
9,260,950
Issue date
Feb 16, 2016
Weatherford Technologies Holdings, LLC
John P. Broussard
E21 - EARTH DRILLING MINING
Information
Patent Grant
Electrically-powered surface-controlled subsurface safety valves
Patent number
8,857,522
Issue date
Oct 14, 2014
Chevron U.S.A., Inc.
Alvaro Jose Arrazola
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
PRE-TENSING SECTIONS OF CONCENTRIC TUBULARS
Publication number
20150053406
Publication date
Feb 26, 2015
Chevron U.S.A. Inc.
George Taylor Armistead
E21 - EARTH DRILLING MINING
Information
Patent Application
ELECTRICALLY- POWERED SURFACE - CONTROLLED SUBSURFACE SAFETY VALVES
Publication number
20140144649
Publication date
May 29, 2014
Chevron U.S.A. Inc.
Alvaro Jose Arrazola
E21 - EARTH DRILLING MINING
Information
Patent Application
One Trip Toe-to-Heel Gravel Pack and Liner Cementing Assembly
Publication number
20130000899
Publication date
Jan 3, 2013
WEATHERFORD/LAMB, INC.
John P. Broussard
E21 - EARTH DRILLING MINING
Information
Patent Application
Actuation tool
Publication number
20080245535
Publication date
Oct 9, 2008
Yvonne B. McAnally
E21 - EARTH DRILLING MINING