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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:
| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6488116 |
Acoustic receiver |
Dec. 3, 2002 |
| 6462549 |
Method and system for electroseismic monitoring of microseismicity |
Oct. 8, 2002 |
| 6460024 |
Data-domain sampled network |
Oct. 1, 2002 |
| 6412592 |
Electrically inclination compensated device for picking up elastic waves |
Jul. 2, 2002 |
| 6370084 |
Acoustic vector sensor |
Apr. 9, 2002 |
| 6325172 |
Geophone including laser interferometer |
Dec. 4, 2001 |
| 6315075 |
Borehole logging tool with anchoring mechanism |
Nov. 13, 2001 |
| 6288976 |
Seismic geophone coupling system |
Sep. 11, 2001 |
| 6253870 |
Methods for measurement, analysis and assessment of ground structure |
Jul. 3, 2001 |
| 6253848 |
Method of obtaining improved geophysical information about earth formations |
Jul. 3, 2001 |
| 6172940 |
Two geophone underwater acoustic intensity probe |
Jan. 9, 2001 |
| 6089345 |
Elastic wave exploration tool for wells |
Jul. 18, 2000 |
| 6062085 |
Interpenetration apparatus for meausurement of underground blasting vibration |
May. 16, 2000 |
| 6061302 |
Gimbal lock system for seismic sensors |
May. 9, 2000 |
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