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Tawassul A. Khan
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Direct reservoir signature using the drag wave
Patent number
9,234,971
Issue date
Jan 12, 2016
Nonlinear Seismic Imaging, Inc.
Sofia Khan
G01 - MEASURING TESTING
Information
Patent Grant
Mapping permeable reservoir formations by measuring the elastic non...
Patent number
6,807,487
Issue date
Oct 19, 2004
Nonlinear Seismic Imaging, Inc.
Tawassul Ali Khan
G01 - MEASURING TESTING
Information
Patent Grant
Mapping reservoir rocks using frequency spectral broadening and the...
Patent number
6,789,018
Issue date
Sep 7, 2004
Nonlinear Seismic Imaging, Inc.
Tawassul A. Khan
G01 - MEASURING TESTING
Information
Patent Grant
Mapping subsurface open fractures in a reservoir using a surface im...
Patent number
6,684,159
Issue date
Jan 27, 2004
Tawassul Ali Khan
G01 - MEASURING TESTING
Information
Patent Grant
Mapping subsurface open fractures using elastically nonlinear inter...
Patent number
6,678,617
Issue date
Jan 13, 2004
Nonlinear Seismic Imaging, Inc.
Tawassul Ali Khan
G01 - MEASURING TESTING
Information
Patent Grant
Mapping reservoir characteristics using earth's nonlinearit...
Patent number
6,631,783
Issue date
Oct 14, 2003
Nonlinear Seismic Imaging, Inc.
Tawassul Ali Khan
G01 - MEASURING TESTING
Information
Patent Grant
Time-lapse seismic using nonlinear seismic imaging
Patent number
6,614,717
Issue date
Sep 2, 2003
Nonlinear Seismic Imaging, Inc.
Tawassul Ali Khan
G01 - MEASURING TESTING
Information
Patent Grant
Mapping subsurface fractures using nonlinearity measurements
Patent number
6,597,632
Issue date
Jul 22, 2003
Nonlinear Seismic Imaging, Inc.
Tawassul Ali Khan
G01 - MEASURING TESTING
Information
Patent Grant
Cross-well seismic mapping method for determining non-linear proper...
Patent number
6,175,536
Issue date
Jan 16, 2001
Western Atlas International, Inc.
Tawassul A. Khan
G01 - MEASURING TESTING
Information
Patent Grant
Cross-well connectivity mapping including separation of compression...
Patent number
6,009,043
Issue date
Dec 28, 1999
Western Atlas International, Inc.
Yu Taik Chon
G01 - MEASURING TESTING
Information
Patent Grant
Cross-well connectivity mapping including separation of compression...
Patent number
5,740,125
Issue date
Apr 14, 1998
Western Atlas International, Inc.
Yu Taik Chon
G01 - MEASURING TESTING
Information
Patent Grant
Method of source coding and harmonic cancellation for vibrational g...
Patent number
4,982,374
Issue date
Jan 1, 1991
Halliburton Geophysical Services, Inc.
B. Leon Edington
G01 - MEASURING TESTING
Information
Patent Grant
Weight-drop seismic exploration system
Patent number
4,307,790
Issue date
Dec 29, 1981
Geosource Inc.
Tawassul A. Khan
G01 - MEASURING TESTING
Information
Patent Grant
Seismic source signatured evaluation apparatus
Patent number
4,246,652
Issue date
Jan 20, 1981
Geosource Inc.
Tawassul A. Khan
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
DIRECT RESERVOIR SIGNATURE USING THE DRAG WAVE
Publication number
20150138915
Publication date
May 21, 2015
NONLINEAR SEISMIC IMAGING, INC.
SOFIA KHAN
G01 - MEASURING TESTING
Information
Patent Application
Direct Mapping of Oil-Saturated Subsurface Formations
Publication number
20090175125
Publication date
Jul 9, 2009
NONLINEAR SEISMIC IMAGING, INC.
Tawassul Ali Khan
G01 - MEASURING TESTING
Information
Patent Application
Mapping subsurface open fractures in a reservoir using a surface im...
Publication number
20030125879
Publication date
Jul 3, 2003
Tawassul A. Khan
G01 - MEASURING TESTING
Information
Patent Application
Mapping subsurface open fractures using elastically nonlinear inter...
Publication number
20030004649
Publication date
Jan 2, 2003
Tawassul Ali Khan
G01 - MEASURING TESTING
Information
Patent Application
Mapping permeable reservoir formations by measuring the elastic non...
Publication number
20020188407
Publication date
Dec 12, 2002
Tawassul A. Khan
G01 - MEASURING TESTING
Information
Patent Application
Mapping reservoir characteristics using earth's nonlinearity as a s...
Publication number
20020134612
Publication date
Sep 26, 2002
Tawassul A. Khan
G01 - MEASURING TESTING
Information
Patent Application
Mapping subsurface fractures using nonlinearity measurements
Publication number
20020122352
Publication date
Sep 5, 2002
Tawassul A. Khan
G01 - MEASURING TESTING