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Class Information
Number: 367/32
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Well logging > Amplitude measurement > Frequency dependent determination
Description: Subject matter wherein the amplitude measurement involves the utilization or finding of a frequency characteristic of the seismic signal.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8639443 Microseismic event monitoring technical field Jan. 28, 2014
8576659 Method and apparatus for acoustic impedance and P-wave anisotropy measurements Nov. 5, 2013
8576661 Device and method for imaging of non-linear and linear properties of formations surrounding a borehole Nov. 5, 2013
8559268 Multi-frequency borehole imager Oct. 15, 2013
8559269 Device and method for generating a beam of acoustic energy from a borehole, and applications thereof Oct. 15, 2013
8553495 Device and method for imaging of non-linear and linear properties of formations surrounding a borehole Oct. 8, 2013
8547791 Device and method for generating a beam of acoustic energy from a borehole, and applications thereof Oct. 1, 2013
8547790 Device and method for generating a beam of acoustic energy from a borehole, and applications thereof Oct. 1, 2013
8467266 Exploring a subsurface region that contains a target sector of interest Jun. 18, 2013
8345509 System and method to create three-dimensional images of non-linear acoustic properties in a region remote from a borehole Jan. 1, 2013
8339897 Automatic dispersion extraction of multiple time overlapped acoustic signals Dec. 25, 2012
8259530 System for generating a beam of acoustic energy from a borehole, and applications thereof Sep. 4, 2012
8233349 System for generating a beam of acoustic energy from a borehole, and applications thereof Jul. 31, 2012
8125848 Acoustic logging-while-drilling tools having a hexapole source configuration and associated logging methods Feb. 28, 2012
8116167 Method and system for generating a beam of acoustic energy from a borehole, and applications thereof Feb. 14, 2012
8077053 Method and apparatus for sensing a borehole characteristic Dec. 13, 2011
8009509 Automated mud slowness estimation Aug. 30, 2011
8004932 Identification of stress in formations using angles of fast and slow dipole waves in borehole acoustic logging Aug. 23, 2011
7986588 Method for selective bandlimited data acquisition in subsurface formations Jul. 26, 2011
7907474 Superheterodyne seismic vibrator and method Mar. 15, 2011
7839718 Device and method for generating a beam of acoustic energy from a borehole, and applications thereof Nov. 23, 2010
7830744 Method for determining reservoir permeability form borehole Stoneley-wave attenuation using Biot's poroelastic theory Nov. 9, 2010
7830745 Identifying the Q-factor using microseismic event generated S-coda waves Nov. 9, 2010
7782709 Multi-physics inversion processing to predict pore pressure ahead of the drill bit Aug. 24, 2010
7751980 Method and apparatus for evaluating elastic mechanical properties of a transversely isotropic formation Jul. 6, 2010
7739049 Method and apparatus for multi-mode signal processing Jun. 15, 2010
7719923 Low frequency model estimation May. 18, 2010
7660195 Attenuation mapping apparatus, systems, and methods Feb. 9, 2010
7660196 Methods for processing dispersive acoustic waveforms Feb. 9, 2010
7656747 Ultrasonic imaging in wells or tubulars Feb. 2, 2010
7652950 Radial profiling of formation mobility using horizontal and vertical shear slowness profiles Jan. 26, 2010
7652951 Method of generating directional low frequency acoustic signals and reflected signal detection enhancements for seismic while drilling applications Jan. 26, 2010
7492664 Method for processing acoustic reflections in array data to image near-borehole geological structure Feb. 17, 2009
7463550 Stoneley radial profiling of formation shear slowness Dec. 9, 2008
7463551 Method of generating directional low frequency acoustic signals and reflected signal detection enhancements for seismic while drilling applications Dec. 9, 2008
RE40321 Remote reservoir resistivity mapping May. 20, 2008
7301852 Methods of generating directional low frequency acoustic signals and reflected signal detection enhancements for seismic while drilling applications Nov. 27, 2007
7100688 Fracture monitoring using pressure-frequency analysis Sep. 5, 2006
7095676 Assessing a solids deposit in an oilfield pipe Aug. 22, 2006
7042802 Determination of stress characteristics of earth formations May. 9, 2006
7003401 Adjustment for frequency dispersion effects in electromagnetic logging data Feb. 21, 2006
6957700 Self-calibrated ultrasonic method of in-situ measurement of borehole fluid acoustic properties Oct. 25, 2005
6909666 Method and apparatus for generating acoustic signals for LWD shear velocity measurement Jun. 21, 2005
6891776 Vibrator sweep shaping method May. 10, 2005
6892137 Adjustment for frequency dispersion effects in electromagnetic logging data May. 10, 2005
6883638 Accelerometer transducer used for seismic recording Apr. 26, 2005
6724687 Characterizing oil, gasor geothermal wells, including fractures thereof Apr. 20, 2004
6712138 Self-calibrated ultrasonic method of in-situ measurement of borehole fluid acoustic properties Mar. 30, 2004
6631783 Mapping reservoir characteristics using earth's nonlinearity as a seismic attribute Oct. 14, 2003
6597632 Mapping subsurface fractures using nonlinearity measurements Jul. 22, 2003

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