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Robert L. Crow
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Irving, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Safety valve lock out system and method
Patent number
7,252,149
Issue date
Aug 7, 2007
Halliburton Energy Services, Inc.
Robert W. Crow
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for treating an interval of a wellbore
Patent number
7,243,724
Issue date
Jul 17, 2007
Halliburton Energy Services, Inc.
Ronald W. McGregor
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for treating an interval of a wellbore
Patent number
6,932,157
Issue date
Aug 23, 2005
Halliburton Energy Services, Inc.
Ronald W. McGregor
E21 - EARTH DRILLING MINING
Information
Patent Grant
Gravel packing apparatus having an integrated joint connection and...
Patent number
6,814,139
Issue date
Nov 9, 2004
Halliburton Energy Services, Inc.
David A. Hejl
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for gravel packing an interval of a wellbore
Patent number
6,789,624
Issue date
Sep 14, 2004
Halliburton Energy Services, Inc.
Ronald W. McGregor
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for gravel packing an interval of a wellbore
Patent number
6,702,018
Issue date
Mar 9, 2004
Halliburton Energy Services, Inc.
Ronald W. McGregor
E21 - EARTH DRILLING MINING
Information
Patent Grant
Seal structure for downhole tool
Patent number
6,565,093
Issue date
May 20, 2003
Halliburton Energy Services, Inc.
Stephen L. Crow
E21 - EARTH DRILLING MINING
Information
Patent Grant
Safety valve utilizing an isolation valve and method of using the same
Patent number
6,302,210
Issue date
Oct 16, 2001
Halliburton Energy Services, Inc.
Robert Wesley Crow
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well completion system with well control valve
Patent number
5,823,265
Issue date
Oct 20, 1998
Halliburton Energy Services, Inc.
Robert W. Crow
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well completion system with flapper control valve
Patent number
5,564,502
Issue date
Oct 15, 1996
Halliburton Company
Robert W. Crow
E21 - EARTH DRILLING MINING
Information
Patent Grant
Packer set safety valve for controlling dual fluid flows
Patent number
5,505,263
Issue date
Apr 9, 1996
Pat M. White
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sleeve valve flow control device with locator shifter
Patent number
5,479,989
Issue date
Jan 2, 1996
Halliburton Company
Perry C. Shy
E21 - EARTH DRILLING MINING
Information
Patent Grant
Combination packer/safety valve assembly for gas storage wells
Patent number
5,305,828
Issue date
Apr 26, 1994
Halliburton Company
Pat M. White
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well production optimizing system
Patent number
4,921,048
Issue date
May 1, 1990
Otis Engineering Corporation
Robert W. Crow
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and methods for orienting devices in side pocket mandrels
Patent number
4,524,833
Issue date
Jun 25, 1985
Otis Engineering Corporation
Robert L. Hilts
E21 - EARTH DRILLING MINING
Information
Patent Grant
Safety system
Patent number
4,469,179
Issue date
Sep 4, 1984
Otis Engineering Corporation
Robert W. Crow
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsurface safety valve
Patent number
4,448,216
Issue date
May 15, 1984
Otis Engineering Corporation
Steven C. Speegle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well safety valve
Patent number
4,376,464
Issue date
Mar 15, 1983
Otis Engineering Corporation
Robert W. Crow
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Well Completion Self Orienting Connector system
Publication number
20080311776
Publication date
Dec 18, 2008
Halliburton Energy Services, Inc.
Morris W. Cox
E21 - EARTH DRILLING MINING
Information
Patent Application
Safety valve lock out system and method
Publication number
20050274529
Publication date
Dec 15, 2005
Robert W. Crow
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and method for treating an interval of a wellbore
Publication number
20050103494
Publication date
May 19, 2005
Ronald W. McGregor
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and method for treating an interval of a wellbore
Publication number
20040221988
Publication date
Nov 11, 2004
Ronald W. McGregor
E21 - EARTH DRILLING MINING
Information
Patent Application
Gravel packing apparatus having an integrated joint connection and...
Publication number
20040074641
Publication date
Apr 22, 2004
David A. Hejl
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and method for gravel packing an interval of a wellbore
Publication number
20030221828
Publication date
Dec 4, 2003
Ronald W. McGregor
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and method for gravel packing an interval of a wellbore
Publication number
20020125007
Publication date
Sep 12, 2002
Ronald W. McGregor
E21 - EARTH DRILLING MINING
Information
Patent Application
Seal structure for downhole tool
Publication number
20020121743
Publication date
Sep 5, 2002
Stephen L. Crow
E21 - EARTH DRILLING MINING