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Janet L. Roper
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Katy, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Apparatus for completing wells in unconsolidated subterranean zones
Patent number
6,571,872
Issue date
Jun 3, 2003
Halliburton Energy Services, Inc.
Ronald G. Dusterhoft
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and apparatus for completing wells in unconsolidated subter...
Patent number
6,427,775
Issue date
Aug 6, 2002
Halliburton Energy Services, Inc.
Ronald G. Dusterhoft
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Methods and apparatus for completing wells in unconsolidated subter...
Publication number
20020070019
Publication date
Jun 13, 2002
Ronald G. Dusterhoft
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods and apparatus for completing wells in unconsolidated subter...
Publication number
20020066560
Publication date
Jun 6, 2002
Ronald G. Dusterhoft
E21 - EARTH DRILLING MINING