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Class Information
Number: 181/104
Name: Acoustics > Geophysical or subsurface exploration > Well logging > Directional source or detector
Description: Subject matter including means for sending, or receiving acoustical waves which is characterized by some quality that varies according to the relative bearing of the means.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7626886 |
P-wave anisotropy determination using borehole measurements |
Dec. 1, 2009 |
| 7529150 |
Borehole apparatus and methods for simultaneous multimode excitation and reception to determine elastic wave velocities, elastic modulii, degree of anisotropy and elastic symmetry configuratio |
May. 5, 2009 |
| 7389828 |
Apparatus and method for mechanical caliper measurements during drilling and logging-while-drilling operations |
Jun. 24, 2008 |
| 7336562 |
Sonic logging tool including receiver and spacer structure |
Feb. 26, 2008 |
| 7325647 |
Mobile system for seismic emission with fixed coupling devices, and method therefor |
Feb. 5, 2008 |
| 7310285 |
Method for characterizing shear wave formation anisotropy |
Dec. 18, 2007 |
| 7210556 |
Method and apparatus for installing a sensor array |
May. 1, 2007 |
| 7104357 |
Device for generating focused elastic waves in a material medium such as underground, and method using same |
Sep. 12, 2006 |
| 6956791 |
Apparatus for receiving downhole acoustic signals |
Oct. 18, 2005 |
| 6868036 |
Oil well acoustic logging tool with baffles forming an acoustic waveguide |
Mar. 15, 2005 |
| 6868035 |
Method and apparatus for coupling seismic sensors to a borehole wall |
Mar. 15, 2005 |
| 6834743 |
Wideband isolator for acoustic tools |
Dec. 28, 2004 |
| 6814179 |
Seismic sensing apparatus and method with high-g shock isolation |
Nov. 9, 2004 |
| 6795373 |
Permanent downhole resonant source |
Sep. 21, 2004 |
| 6747914 |
Use of minor borehole obstructions as seismic sources |
Jun. 8, 2004 |
| 6739423 |
Acoustic logging tool |
May. 25, 2004 |
| 6714480 |
Determination of anisotropic moduli of earth formations |
Mar. 30, 2004 |
| 6678616 |
Method and tool for producing a formation velocity image data set |
Jan. 13, 2004 |
| 6619423 |
Measuring device for measuring the elastic properties of a surface structure |
Sep. 16, 2003 |
| 6564899 |
Method and apparatus for absorbing acoustic energy |
May. 20, 2003 |
| 6552962 |
Method and apparatus for acoustic logging |
Apr. 22, 2003 |
| 6478107 |
Axially extended downhole seismic source |
Nov. 12, 2002 |
| 6474439 |
Dipole logging tool |
Nov. 5, 2002 |
| 6419044 |
Energy source for use in seismic acquisitions |
Jul. 16, 2002 |
| 6412592 |
Electrically inclination compensated device for picking up elastic waves |
Jul. 2, 2002 |
| 6351214 |
Glass breakage detector |
Feb. 26, 2002 |
| 6227310 |
Method and apparatus for providing a magnetic direction reference |
May. 8, 2001 |
| 6213250 |
Transducer for acoustic logging |
Apr. 10, 2001 |
| 6176344 |
Method and system for determining the azimuth position and distance of a reflecting subsurface formation |
Jan. 23, 2001 |
| 6125079 |
System and method for providing dual distance transducers to image behind an acoustically reflective layer |
Sep. 26, 2000 |
| 6082484 |
Acoustic body wave dampener |
Jul. 4, 2000 |
| 6006855 |
Borehole seismic detector system employing stabilizers |
Dec. 28, 1999 |
| 5936913 |
Acoustic formation logging system with improved acoustic receiver |
Aug. 10, 1999 |
| 5877996 |
Transducer arrangement |
Mar. 2, 1999 |
| 5852262 |
Acoustic formation logging tool with improved transmitter |
Dec. 22, 1998 |
| 5841734 |
Rotating acoustic transducer head for cement bond evaluation tool |
Nov. 24, 1998 |
| 5763773 |
Rotating multi-parameter bond tool |
Jun. 9, 1998 |
| 5717169 |
Method and apparatus for inspecting well bore casing |
Feb. 10, 1998 |
| 5563846 |
Method and apparatus for well logging to obtain high-resolution seismic images of geological formations surrounding horizontal well bores |
Oct. 8, 1996 |
| 5544127 |
Borehole apparatus and methods for measuring formation velocities as a function of azimuth, and interpretation thereof |
Aug. 6, 1996 |
| 5535177 |
MWD surface signal detector having enhanced acoustic detection means |
Jul. 9, 1996 |
| 5357481 |
Borehole logging tool |
Oct. 18, 1994 |
| 5302782 |
Three-component borehole wall-locking seismic detector |
Apr. 12, 1994 |
| 5300929 |
Method for delineating an anomalous geologic structure |
Apr. 5, 1994 |
| 5226017 |
Method and apparatus for acquiring borehole seismic data in two opposite directions |
Jul. 6, 1993 |
| 5214252 |
Logging method and device in well bores utilizing directional emission and/or reception means |
May. 25, 1993 |
| 5214614 |
Seismic directional sensor for solid-borne sound |
May. 25, 1993 |
| 5170018 |
Method and apparatus for tube-wave suppression |
Dec. 8, 1992 |
| 5168470 |
Apparatus for rotating a transducer assembly of a borehole logging tool in a deviated borehole |
Dec. 1, 1992 |
| 5164548 |
Method and apparatus for ultrasonic scanning of a borehole having improved sensor array and timing circuit |
Nov. 17, 1992 |
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