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Dennis Eugene Roessler
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Borehole tester apparatus and methods using dual flow lines
Patent number
7,805,988
Issue date
Oct 5, 2010
Precision Energy Services, Inc.
Bryan William Kasperski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Borehole tester apparatus and methods for using nuclear electromagn...
Patent number
7,807,962
Issue date
Oct 5, 2010
Precision Energy Services, Inc.
Margaret Cowsar Waid
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and methods for measuring pressure using a formation tester
Patent number
7,805,999
Issue date
Oct 5, 2010
Precision Energy Services, Inc.
Margaret Cowsar Waid
G01 - MEASURING TESTING
Information
Patent Grant
Inflatable packer with prestressed bladder
Patent number
6,752,205
Issue date
Jun 22, 2004
Tam International, Inc.
Andrew Kutac
E21 - EARTH DRILLING MINING
Information
Patent Grant
Acoustic Transducer for LWD tool
Patent number
5,644,186
Issue date
Jul 1, 1997
Halliburton Company
James Robert Birchak
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Apparatus and method for determining the gravitational orientation...
Patent number
5,606,124
Issue date
Feb 25, 1997
Western Atlas International, Inc.
Mark R. Doyle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Acoustic attenuator, well logging apparatus and method of well logging
Patent number
5,510,582
Issue date
Apr 23, 1996
Halliburton Company
James R. Birchak
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Sweep frequency vibrator
Patent number
5,331,607
Issue date
Jul 19, 1994
Dennis E. Roessler
G01 - MEASURING TESTING
Information
Patent Grant
Displacement amplified acoustic transmitter
Patent number
5,313,025
Issue date
May 17, 1994
Halliburton Logging Services, Inc.
Dennis E. Roessler
G01 - MEASURING TESTING
Information
Patent Grant
Drill pipe downhole unthreading apparatus
Patent number
5,024,272
Issue date
Jun 18, 1991
Halliburton Logging Services, Inc.
Dennis E. Roessler
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wireline tool cable head overload apparatus
Patent number
4,928,764
Issue date
May 29, 1990
Halliburton Logging Services, Inc.
Dennis E. Roessler
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
BOREHOLE TESTER APPARATUS AND METHODS FOR USING NUCLEAR ELECTROMAGN...
Publication number
20090152456
Publication date
Jun 18, 2009
Precision Energy Services, Inc.
Margaret Cowsar Waid
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHODS FOR MEASURING PRESSURE USING A FORMATION TESTER
Publication number
20090071240
Publication date
Mar 19, 2009
Precision Energy Services, Inc.
Margaret Cowsar Waid
E21 - EARTH DRILLING MINING
Information
Patent Application
BOREHOLE TESTER APPARATUS AND METHODS USING DUAL FLOW LINES
Publication number
20080173083
Publication date
Jul 24, 2008
Precision Energy Services, Inc.
Bryan William Kasperski
E21 - EARTH DRILLING MINING
Information
Patent Application
Inflatable packer with prestressed bladder
Publication number
20030196795
Publication date
Oct 23, 2003
Andrew Kutac
E21 - EARTH DRILLING MINING