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Alan Murray Clark
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Aberdeen, GB
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Patents Grants
last 30 patents
Information
Patent Grant
Managed pressure drilling system and method of use
Patent number
11,952,840
Issue date
Apr 9, 2024
DEEP BLUE OIL & GAS LIMITED
Alan Clark
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellhead assembly for communicating with the casing hanger annulus
Patent number
6,708,766
Issue date
Mar 23, 2004
ABB Vetco Gray Inc.
Alan Murray Clark
E21 - EARTH DRILLING MINING
Information
Patent Grant
Ported subsea wellhead
Patent number
6,705,401
Issue date
Mar 16, 2004
ABB Vetco Gray Inc.
Kevin G. Buckle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for a drill cutting injection system
Patent number
6,394,194
Issue date
May 28, 2002
ABB Vetco Gray Inc.
Michael Queen
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
WELL CONTROL SYSTEM AND METHOD OF USE
Publication number
20220403709
Publication date
Dec 22, 2022
DEEP BLUE OIL & GAS LIMITED
Alan CLARK
E21 - EARTH DRILLING MINING
Information
Patent Application
MANAGED PRESSURE DRILLING SYSTEM AND METHOD OF USE
Publication number
20220290504
Publication date
Sep 15, 2022
DEEP BLUE OIL & GAS LIMITED
Alan CLARK
E21 - EARTH DRILLING MINING
Information
Patent Application
RISER GAS HANDLING SYSTEM AND METHOD OF USE
Publication number
20190195032
Publication date
Jun 27, 2019
ELECTRO-FLOW CONTROLS LIMITED
Alan Murray Clark
E21 - EARTH DRILLING MINING
Information
Patent Application
Ported subsea wellhead
Publication number
20030127229
Publication date
Jul 10, 2003
Kevin G. Buckle
E21 - EARTH DRILLING MINING
Information
Patent Application
Wellhead assembly for communicating with the casing hanger annulus
Publication number
20030111229
Publication date
Jun 19, 2003
ABB Vetco Gray, Inc.
Alan Murray Clark
E21 - EARTH DRILLING MINING