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A. Glen Edwards
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Hockley, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Method, system and apparatus for orienting casing and liners
Patent number
7,147,060
Issue date
Dec 12, 2006
Schlumberger Technology Corporation
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for orienting perforating devices and confirmi...
Patent number
7,000,699
Issue date
Feb 21, 2006
Schlumberger Technology Corporation
Wenbo Yang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of performing downhole functions
Patent number
6,354,374
Issue date
Mar 12, 2002
Schlumberger Technology Corp.
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Lock mechanism for use with a downhole device
Patent number
6,213,203
Issue date
Apr 10, 2001
Schlumberger Technology Corporation
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for performing downhole functions
Patent number
6,182,750
Issue date
Feb 6, 2001
Schlumberger Technology Corporation
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Retrieving well tools under pressure
Patent number
6,123,152
Issue date
Sep 26, 2000
Schlumberger Technology Corporation
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pressure-actuated circulation valve
Patent number
6,102,126
Issue date
Aug 15, 2000
Schlumberger Technology Corporation
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mechanical shut-off valve
Patent number
6,085,843
Issue date
Jul 11, 2000
Schlumberger Technology Corporation
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Completions insertion and retrieval under pressure (CIRP) apparatus...
Patent number
6,059,042
Issue date
May 9, 2000
Schlumberger Technology Corporation
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole activation circuit valving
Patent number
5,979,561
Issue date
Nov 9, 1999
Schlumberger Technology Corporation
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for orienting a downhole tool in a horizontal...
Patent number
5,964,294
Issue date
Oct 12, 1999
Schlumberger Technology Corporation
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tubing-conveyer multiple firing head system
Patent number
5,890,539
Issue date
Apr 6, 1999
Schlumberger Technology Corporation
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for performing downhole functions
Patent number
5,887,654
Issue date
Mar 30, 1999
Schlumberger Technology Corporation
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well completion apparatus for use under pressure and method of usin...
Patent number
5,848,646
Issue date
Dec 15, 1998
Schlumberger Technology Corporation
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Firing head connected between a coiled tubing and a perforating gun...
Patent number
5,505,261
Issue date
Apr 9, 1996
Schlumberger Technology Corporation
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for anchoring a perforating gun to a casing in...
Patent number
5,429,192
Issue date
Jul 4, 1995
Schlumberger Technology Corporation
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shock absorber for use in a wellbore including a frangible breakup...
Patent number
5,366,013
Issue date
Nov 22, 1994
Schlumberger Technology Corporation
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Explosively opened production valve including a frangible breakup e...
Patent number
5,318,126
Issue date
Jun 7, 1994
Schlumberger Technology Corporation
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic safety pin and method of operating a pressure-controlled...
Patent number
5,277,262
Issue date
Jan 11, 1994
Schlumberger Technology Corporation
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of anchoring a device in a wellbore including opening an ori...
Patent number
5,203,414
Issue date
Apr 20, 1993
Schlumberger Technology Corporation
Joe C. Hromas
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore apparatus including a rathole pressure balanced-differenti...
Patent number
5,191,933
Issue date
Mar 9, 1993
Schlumberger Technology Corporation
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for controlling a well tool suspended by a cab...
Patent number
5,191,936
Issue date
Mar 9, 1993
Schlumberger Technology Corporation
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydrostatic setting tool including a selectively operable apparatus...
Patent number
5,146,983
Issue date
Sep 15, 1992
Schlumberger Technology Corporation
Joe C. Hromas
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of detonating a perforating apparatus on a tubing including...
Patent number
5,058,680
Issue date
Oct 22, 1991
Schlumberger Technology Corportion
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pump apparatus including a firing head for use with a perforating g...
Patent number
5,050,672
Issue date
Sep 24, 1991
Schlumberger Technology Corporation
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well apparatus including a pump and a firing head adapted to be ins...
Patent number
5,040,597
Issue date
Aug 20, 1991
Schlumberger Technology Corporation
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus for absorbing shock
Patent number
4,817,710
Issue date
Apr 4, 1989
Halliburton Company
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for absorbing shock
Patent number
4,693,317
Issue date
Sep 15, 1987
Halliburton Company
A. Glen Edwards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Surging fluids downhole in an earth borehole
Patent number
4,658,902
Issue date
Apr 21, 1987
Halliburton Company
David S. Wesson
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Method, system & apparatus for orienting casing and liners
Publication number
20040231859
Publication date
Nov 25, 2004
Klaus B. Huber
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for orienting perforating devices and confirmi...
Publication number
20020185275
Publication date
Dec 12, 2002
Wenbo Yang
E21 - EARTH DRILLING MINING