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Derek Ingraham
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Conroe, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Autonomous untethered well object
Patent number
10,316,645
Issue date
Jun 11, 2019
Schlumberger Technology Corporation
Derek Ingraham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Retrievable cementing bushing system
Patent number
9,540,902
Issue date
Jan 10, 2017
Schlumberger Technology Corporation
Derek Ingraham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Retrievable cementing bushing system
Patent number
9,062,520
Issue date
Jun 23, 2015
Schlumberger Technology Corporation
Derek Ingraham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole multiple bore rotary diverter apparatus
Patent number
8,393,404
Issue date
Mar 12, 2013
Smith International, Inc.
Derek Ingraham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multiple production string apparatus
Patent number
8,286,699
Issue date
Oct 16, 2012
Smith International, Inc.
Derek Ingraham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole multiple bore tubing apparatus
Patent number
8,256,517
Issue date
Sep 4, 2012
Smith International, Inc.
Derek Ingraham
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
ROTATING GRIP ARMS
Publication number
20170175483
Publication date
Jun 22, 2017
SCHLIMBERGER TECHNOLOGY CORPORATION
Matthew McCarthy
E21 - EARTH DRILLING MINING
Information
Patent Application
PRESSURE RELEAVING MEANS
Publication number
20170009556
Publication date
Jan 12, 2017
SCHLUMBERGER CANADA LIMITED
Grant George
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTONOMOUS UNTETHERED WELL OBJECT
Publication number
20160084075
Publication date
Mar 24, 2016
SCHLUMBERGE TECHNOLOGY CORPORATION
Derek Ingraham
E21 - EARTH DRILLING MINING
Information
Patent Application
RETRIEVABLE CEMENTING BUSHING SYSTEM
Publication number
20150252648
Publication date
Sep 10, 2015
SCHLUMBERGER TECHNOLOGY CORPORATION
Derek Ingraham
E21 - EARTH DRILLING MINING
Information
Patent Application
RETRIEVABLE CEMENTING BUSHING SYSTEM
Publication number
20130248180
Publication date
Sep 26, 2013
SCHLUMBERGER TECHNOLOGY CORPORATION
Derek Ingraham
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE MULTIPLE BORE ROTARY DIVERTER APPARATUS
Publication number
20100276158
Publication date
Nov 4, 2010
Smith International, Inc.
Derek Ingraham
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTIPLE PRODUCTION STRING APPARATUS
Publication number
20100170677
Publication date
Jul 8, 2010
Smith International, Inc.
Derek Ingraham
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE MULTIPLE BORE TUBING APPARATUS
Publication number
20100163240
Publication date
Jul 1, 2010
Smith International, Inc.
Derek Ingraham
E21 - EARTH DRILLING MINING