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Mark Edward Keller
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Houston, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Single-assembly system and method for one-trip drilling, casing, ce...
Patent number
10,267,092
Issue date
Apr 23, 2019
Halliburton Energy Services, Inc.
Ron Dirksen
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Single-Assembly System and Method for One-Trip Drilling, Casing, Ce...
Publication number
20120186816
Publication date
Jul 26, 2012
Halliburton Energy Services, Inc.
Ron Dirksen
E21 - EARTH DRILLING MINING