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Class Information
Number: 181/122
Name: Acoustics > Geophysical or subsurface exploration > Seismic wave detection
Description: Subject matter wherein the system includes means for mechanically receiving the acoustical waves.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8669881 Container data center with earthquake protection function Mar. 11, 2014
8632274 Deployment method for ocean bottom seismometers Jan. 21, 2014
8542556 Directional seismic sensor array Sep. 24, 2013
8534959 Method and apparatus for deployment of ocean bottom seismometers Sep. 17, 2013
8400879 Seismic sensor array devices and methods of data collection Mar. 19, 2013
8228761 Ocean bottom seismometer package Jul. 24, 2012
8061471 Seismic vibrator controlled by directly detecting base plate motion Nov. 22, 2011
7900700 Method and system for cleat characterization in coal bed methane wells for completion optimization Mar. 8, 2011
RE41829 Nonlinear electroseismic exploration Oct. 19, 2010
7684284 Steering and fixed angle geophone Mar. 23, 2010
7650963 Acoustic isolator for well logging system Jan. 26, 2010
7646670 Autonomous ocean bottom seismic node recording device Jan. 12, 2010
7603950 Device for impact detection Oct. 20, 2009
7558155 Optical sensor interrogation with wavelength grouping in time slots Jul. 7, 2009
7382690 Method and apparatus for gathering seismic data Jun. 3, 2008
7334661 Acoustic logging tool sleeve Feb. 26, 2008
7325647 Mobile system for seismic emission with fixed coupling devices, and method therefor Feb. 5, 2008
7310287 Method and apparatus for seismic data acquisition Dec. 18, 2007
7295494 Diamagnetic current response transducer for sensing pressure gradient in a fluid medium Nov. 13, 2007
7260024 Housing for a seismic sensing element and a seismic sensor Aug. 21, 2007
7255196 Windshield and sound-barrier for seismic sensors Aug. 14, 2007
7254093 Ocean bottom seismometer package with distributed geophones Aug. 7, 2007
7210555 Low frequency acoustic attenuator for use in downhole applications May. 1, 2007
7178627 Methods for use in detecting seismic waves in a borehole Feb. 20, 2007
7085196 Method and apparatus for gathering seismic data Aug. 1, 2006
7048089 Methods and apparatus for use in detecting seismic waves in a borehole May. 23, 2006
7035167 Seismic sensor Apr. 25, 2006
7016262 Seismic sensor Mar. 21, 2006
6985086 Method and apparatus for LWD shear velocity measurement Jan. 10, 2006
6950747 Methods of processing magnetotelluric signals Sep. 27, 2005
6932185 Acquisition method and device for seismic exploration of a geologic formation by permanent receivers set on the sea bottom Aug. 23, 2005
6930616 Method and apparatus for LWD shear velocity measurement Aug. 16, 2005
6923291 Apparatus for detecting geophysical energy Aug. 2, 2005
6915875 Acoustic isolator for downhole applications Jul. 12, 2005
6909666 Method and apparatus for generating acoustic signals for LWD shear velocity measurement Jun. 21, 2005
6899197 Method and apparatus for absorbing acoustic energy May. 31, 2005
6850168 Method and apparatus for LWD shear velocity measurement Feb. 1, 2005
6834743 Wideband isolator for acoustic tools Dec. 28, 2004
6823963 Seismic wave measuring devices Nov. 30, 2004
6814179 Seismic sensing apparatus and method with high-g shock isolation Nov. 9, 2004
6786297 System for acquiring geophysical data Sep. 7, 2004
6739423 Acoustic logging tool May. 25, 2004
6672422 Seismic data acquisition Jan. 6, 2004
6664788 Nonlinear electroseismic exploration Dec. 16, 2003
6631783 Mapping reservoir characteristics using earth's nonlinearity as a seismic attribute Oct. 14, 2003
6630890 Methods, systems and tools for borehole logging Oct. 7, 2003
6612398 Methods for measurement, analysis and assessment of ground structure Sep. 2, 2003
6601671 Method and apparatus for seismically surveying an earth formation in relation to a borehole Aug. 5, 2003
6588542 Borehole tool actuating mechanism Jul. 8, 2003
6561310 Method and apparatus for measuring seismic energy imparted to the earth May. 13, 2003

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