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1. US20210356616 - SHEAR VELOCITY RADIAL PROFILING BASED ON FLEXURAL MODE DISPERSION

Office
United States of America
Application Number 16488907
Application Date 31.12.2018
Publication Number 20210356616
Publication Date 18.11.2021
Publication Kind A1
IPC
G01V 1/46
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
40specially adapted for well-logging
44using generators and receivers in the same well
46Data acquisition
G01V 1/50
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
40specially adapted for well-logging
44using generators and receivers in the same well
48Processing data
50Analysing data
G01V 1/28
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
28Processing seismic data, e.g. analysis, for interpretation, for correction
CPC
G01V 1/50
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
40specially adapted for well-logging
44using generators and receivers in the same well
48Processing data
50Analysing data
G01V 1/46
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
40specially adapted for well-logging
44using generators and receivers in the same well
46Data acquisition
G01V 1/284
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
1Seismology; Seismic or acoustic prospecting or detecting
28Processing seismic data, e.g. analysis, for interpretation, for correction
284Application of the shear wave component and/or several components of the seismic signal
G01V 2210/6222
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
2210Details of seismic processing or analysis
60Analysis
62Physical property of subsurface
622Velocity, density or impedance
6222Velocity; travel time
G01V 2210/121
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
2210Details of seismic processing or analysis
10Aspects of acoustic signal generation or detection
12Signal generation
121Active source
G01V 2210/614
GPHYSICS
01MEASURING; TESTING
VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
2210Details of seismic processing or analysis
60Analysis
61Analysis by combining or comparing a seismic data set with other data
614Synthetically generated data
Applicants Halliburton Energy Services, Inc.
Inventors Yunfei Yang
Kristoffer Thomas Walker
Title
(EN) SHEAR VELOCITY RADIAL PROFILING BASED ON FLEXURAL MODE DISPERSION
Abstract
(EN)

A method is disclosed for radiaiiy profiling shear velocities of flexural wave modes in a formation. The method includes establishing sensitivity kernels with two non-dimensionalized parameters and using said sensitivity kernels to perform an inversion for radial shear wave velocity profiles. This method may be used for LWD, MWD, or wireline logging operations.


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