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David M. Pritchard
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Spring Branch, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Method and system for riserless casing seat optimization
Patent number
8,229,671
Issue date
Jul 24, 2012
David M. Pritchard
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
METHOD AND SYSTEM FOR RISERLESS CASING SEAT OPTIMIZATION
Publication number
20110036587
Publication date
Feb 17, 2011
David M. Pritchard
E21 - EARTH DRILLING MINING