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Class Information
Number: 181/113
Name: Acoustics > Geophysical or subsurface exploration > Seismic wave generation
Description: Subject matter wherein the system includes means for producing seismic waves.










Sub-classes under this class:

Class Number Class Name Patents
181/115 Bubble suppression or control 51
181/116 Explosive 71
181/119 Fluid means 127
181/121 Moving weight 189
181/114 Vehicle-mounted 148


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8662243 Baseplate dampening pad Mar. 4, 2014
8613312 Method and apparatus for stimulating wells Dec. 24, 2013
8544594 Coupling structure for resonant gyroscope Oct. 1, 2013
8522915 Method and system for selecting parameters of a seismic source array Sep. 3, 2013
8462589 Apparatus for generating seismic signals having distinguishing signatures Jun. 11, 2013
8462588 Processing seismic vibrator signals having distinguishing signatures Jun. 11, 2013
8462587 Generating seismic vibrator signals having distinguishing signatures Jun. 11, 2013
8462585 Acquiring seismic vibrator signals having distinguishing signatures Jun. 11, 2013
8446798 Marine acoustic vibrator having enhanced low-frequency amplitude May. 21, 2013
8387744 Marine seismic source Mar. 5, 2013
8307941 Seismic gun assembly for shooting into a bore hole Nov. 13, 2012
8228762 Magnetic mass-lift impulsive seismic energy source including attracting and repulsing electromagnets Jul. 24, 2012
8167082 Seismic transducers having improved polygonal baseplates and methods of use May. 1, 2012
8132641 Seismic wave generating apparatus and method Mar. 13, 2012
8104568 Seismic gun assembly for shooting into a bore hole Jan. 31, 2012
8102731 Method for operating marine seismic vibrator array to enhance low frequency output Jan. 24, 2012
8079440 Determining the polarity of movement of an actuator mass in a seismic vibrator Dec. 20, 2011
8081540 Rotary subwoofer marine seismic source Dec. 20, 2011
8031555 Seismic location and communication system Oct. 4, 2011
7987943 Apparatus and method for generating a seismic source signal Aug. 2, 2011
7926614 Particle motion sensor mounting for marine seismic sensor streamers Apr. 19, 2011
7841444 Seismic vibrator baseplate Nov. 30, 2010
7823689 Closed-loop downhole resonant source Nov. 2, 2010
7789141 Oil recovery enhancement method Sep. 7, 2010
7650963 Acoustic isolator for well logging system Jan. 26, 2010
7639567 Generating seismic vibrator signals Dec. 29, 2009
7628248 Apparatus and method for generating a seismic source signal Dec. 8, 2009
7617908 Downhole seismic source Nov. 17, 2009
7591343 Apparatuses for generating acoustic waves Sep. 22, 2009
7578359 Downhole acoustic source Aug. 25, 2009
7562740 Borehole acoustic source Jul. 21, 2009
7551518 Driving means for acoustic marine vibrator Jun. 23, 2009
7499378 Device for emitting seismic vibration waves Mar. 3, 2009
7467685 Array seismic fluid transducer source Dec. 23, 2008
7441628 Wellbore signal generator Oct. 28, 2008
7382684 Method for selective bandlimited data acquisition in subsurface formations Jun. 3, 2008
7364008 System for imparting mechanical impulse energy to the ground Apr. 29, 2008
7257049 Method of seismic surveying, a marine vibrator arrangement, and a method of calculating the depths of seismic sources Aug. 14, 2007
7228934 Acoustic generator for distance sounding with a firing mechanism independent of the pressure equilibration force Jun. 12, 2007
7216738 Acoustic stimulation method with axial driver actuating moment arms on tines May. 15, 2007
7216737 Acoustic isolator between downhole transmitters and receivers May. 15, 2007
7213681 Acoustic stimulation tool with axial driver actuating moment arms on tines May. 8, 2007
7210555 Low frequency acoustic attenuator for use in downhole applications May. 1, 2007
7182170 Gerotor and bearing system for whirling mass orbital vibrator Feb. 27, 2007
7178626 Method of seismic evaluation of subterranean strata Feb. 20, 2007
7136325 Vibration generator for seismic applications Nov. 14, 2006
6973972 Method for reduction of scale during oil and gas production and apparatus for practicing same Dec. 13, 2005
6923291 Apparatus for detecting geophysical energy Aug. 2, 2005
6899197 Method and apparatus for absorbing acoustic energy May. 31, 2005
6868036 Oil well acoustic logging tool with baffles forming an acoustic waveguide Mar. 15, 2005

1 2 3 4










 
 
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