Roy N. Nelson

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Intermediate completion assembly for isolating lower completion
- Patent number 9,828,829
- Issue date Nov 28, 2017
- Baker Hughes, a GE company, LLC
- Raymond A. Frisby
- E21 - EARTH DRILLING MINING
Information Patent Grant
Barrier valve system and method of closing same by withdrawing uppe...
- Patent number 9,027,651
- Issue date May 12, 2015
- Baker Hughes Incorporated
- Raymond A. Frisby
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for single trip fluid isolation
- Patent number 9,016,372
- Issue date Apr 28, 2015
- Baker Hughes Incorporated
- Raymond A. Frisby
- E21 - EARTH DRILLING MINING
Information Patent Grant
Retrofit barrier valve system
- Patent number 9,016,389
- Issue date Apr 28, 2015
- Baker Hughes Incorporated
- Raymond A. Frisby
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
INTERMEDIATE COMPLETION ASSEMBLY FOR ISOLATING LOWER COMPLETION
- Publication number 20130255947
- Publication date Oct 3, 2013
- BAKER HUGHES INCORPORATED
- Raymond A. Frisby
- E21 - EARTH DRILLING MINING
Information Patent Application
RETROFIT BARRIER VALVE SYSTEM
- Publication number 20130255958
- Publication date Oct 3, 2013
- BAKER HUGHES INCORPORATED
- Raymond A. Frisby
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD FOR SINGLE TRIP FLUID ISOLATION
- Publication number 20130255946
- Publication date Oct 3, 2013
- BAKER HUGHES INCORPORATED
- Raymond A. Frisby
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND SYSTEM FOR RUNNING BARRIER VALVE ON PRODUCTION STRING
- Publication number 20130255961
- Publication date Oct 3, 2013
- BAKER HUGHES INCORPORATED
- Raymond A. Frisby
- E21 - EARTH DRILLING MINING
Information Patent Application
BARRIER VALVE SYSTEM AND METHOD OF CONTROLLING SAME WITH TUBING PRE...
- Publication number 20130075109
- Publication date Mar 28, 2013
- BAKER HUGHES INCORPORATED
- Raymond A. Frisby
- E21 - EARTH DRILLING MINING
Information Patent Application
BARRIER VALVE SYSTEM AND METHOD OF CLOSING SAME BY WITHDRAWING UPPE...
- Publication number 20130075108
- Publication date Mar 28, 2013
- BAKER HUGHES INCORPORATED
- Raymond A. Frisby
- E21 - EARTH DRILLING MINING