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Gerald Wes Don BUCHANAN
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Calgary, CA
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Patents Grants
last 30 patents
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Patent Grant
Three-way flow sub for continuous circulation
Patent number
10,107,053
Issue date
Oct 23, 2018
Weatherford Technology Holdings, LLC
Ram K. Bansal
E21 - EARTH DRILLING MINING
Information
Patent Grant
Continuous flow system for drilling oil and gas wells
Patent number
10,006,262
Issue date
Jun 26, 2018
Weatherford Technology Holdings, LLC
Ram K. Bansal
E21 - EARTH DRILLING MINING
Information
Patent Grant
Three-way flow sub for continuous circulation
Patent number
9,353,587
Issue date
May 31, 2016
Weatherford Technology Holdings, LLC
Ram K. Bansal
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Fault-Tolerant Pressure Relief System for Drilling
Publication number
20200190939
Publication date
Jun 18, 2020
Weatherford Technology Holdings, LLC.
Kevin L Gray
E21 - EARTH DRILLING MINING
Information
Patent Application
THREE-WAY FLOW SUB FOR CONTINUOUS CIRCULATION
Publication number
20160281448
Publication date
Sep 29, 2016
Weatherford Technology Holdings, LLC.
Ram K. BANSAL
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTINUOUS FLOW SYSTEM FOR DRILLING OIL AND GAS WELLS
Publication number
20150240582
Publication date
Aug 27, 2015
WEATHERFORD/LAMB, INC.
Ram K. BANSAL
E21 - EARTH DRILLING MINING