[go: up one dir, main page]

Schmidt et al., 1992 - Google Patents

Numerical model for predicting ultrasonic transducer pulse-echo response to borehole fractures

Schmidt et al., 1992

Document ID
16451320556005840112
Author
Schmidt M
Li X
Steinsiek R
Ma T
Publication year
Publication venue
SPWLA Annual Logging Symposium

External Links

Snippet

This paper presents a method to determine the net fracture aperture from acoustic images of the borehole wall. A numerical model has been developed that determines the effects of fracture aperture and spacing on the measured response of the Circumferential Borehole …
Continue reading at onepetro.org (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
    • G01V1/44—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging using generators and receivers in the same well
    • G01V1/48—Processing data
    • G01V1/50—Analysing data
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/30—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electromagnetic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/40—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging
    • G01V1/42—Seismology; Seismic or acoustic prospecting or detecting specially adapted for well-logging using generators in one well and receivers elsewhere or vice versa
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS
    • G01V11/00—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G01V11/002—Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant
    • G01V11/005—Devices for positioning logging sondes with respect to the borehole wall
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/04—Wave modes and trajectories
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/08—Measuring the diameter
    • E21B47/082—Measuring the diameter using radiant means, e.g. acoustic, radioactive, electromagnetic
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
    • G01H1/04—Measuring characteristics of vibrations in solids by using direct conduction to the detector of vibrations which are transverse to direction of propagation
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/10—Locating fluid leaks, intrusions or movements
    • E21B47/101—Locating fluid leaks, intrusions or movements using acoustic energy

Similar Documents

Publication Publication Date Title
AU766120B2 (en) Formation stress identification and estimation using borehole monopole and cross-dipole acoustic measurements
CA2462973C (en) Use of cutting velocities for real time pore pressure and fracture gradient prediction
CN109563736A (en) The estimation of horizontal stress and nonlinear constant in the anisotropic formation of interlayer carbonate horizon in such as organic shale reservoir
WO2006132838A2 (en) Radial profiling of formation mobility using horizontal and vertical shear slowness profiles
Prioul et al. Forward modeling of fracture-induced sonic anisotropy using a combination of borehole image and sonic logs
WO2006121640A1 (en) Use of an effective tool model in sonic logging data processing
WO2004046506A1 (en) Acoustic devices to measure ultrasound velocity in drilling mud
CN101285381B (en) Process for inversing soft ground horizontal wave velocity by leaky mode waves
US4575828A (en) Method for distinguishing between total formation permeability and fracture permeability
CN114651110A (en) Detection and evaluation of ultrasonic subsurface backscatter
AU2002241657B2 (en) Processing well logging data with neural network
US5142500A (en) Non-destructive method of measuring physical characteristics of sediments
US5276656A (en) Method for fluid identification and evaluation within wellbores using ultrasonic scanning
Faraguna et al. An improved borehole televiewer system: image acquisition, analysis and integration
Geyer et al. The 3-D velocity log; a tool for in-situ determination of the elastic moduli of rocks
Schmidt et al. Numerical model for predicting ultrasonic transducer pulse-echo response to borehole fractures
Cheung Microresistivity and ultrasonic imagers: tool operations and processing principles with reference to commonly encountered image artefacts
Warot et al. Development and Testing of an LWD Ultrasonic Microimaging Tool: Field Test Results from the Middle East and Europe
Brill et al. High-resolution mapping of surface morphologies with focused ultrasonic transducers
Talberg et al. Laboratory experiments on ultrasonic logging through casing for barrier integrity validation
Maki et al. Dynamically focused transducer applied to the cast imaging tool
Sinha et al. Applications of sonics and ultrasonics in geophysical prospecting
CN112034516B (en) A method for evaluating the three-dimensional anisotropy of shear waves around wells
Li et al. A Novel Method for Evaluating Formation Fracturing Effect Utilizing Acoustic Logging
Strozeski et al. Theoretical and Experimental Development of the Ultrasonic Diplog System