Acoustic waves in boreholes / Frederick L. Paillet, Chuen Hon Cheng
- Author
- Paillet, F. L.
- Published
- Boca Raton : CRC Press, [1991]
- Copyright Date
- ©1991
- Physical Description
- 264 pages : illustrations ; 24 cm
- Additional Creators
- Cheng, Chuen Hon Arthur
- Contents
- ACOUSTIC MEASUREMENT IN BOREHOLES: General comments on acoustic logging and waveform log interpretation -- Seismic properties of rocks and their characterization -- Laboratory measurement of seismic velocity and attenuation -- Geometric effects and scale of investigation -- ACOUSTIC WELL LOGS AND POROSITY LOGGING: Acoustic porosity logging equipment -- Acoustic transit times and porosity logging -- Receiver geometry and source characteristics of porosity logging equipment -- Practical considerations in acoustic transit time logging -- Theoretical predictions of acoustic velocities in porous solids -- PRINCIPALS OF SEISMIC REFRACTION ALONG BOREHOLES AND CHANNELS: Modeling wave propagation in channels and boreholes -- Refraction and reflection at a plane interface -- Critical refraction and the generation of head waves -- Acoustic propagation in the fluid-filled channel waveguide -- Mode summary -- Mode content, channel width, and frequency scaling -- SYNTHETIC MICROSEISMOGRAMS IN FLUID-FILLED BOREHOLES: Synthetic microseismograms-modeling borehole, fluid, and logging tool -- Boundary conditions and derivation of the period equations for trapped modes -- Properties of the pseudo-Rayleigh and tube wave modes -- Borehole forcing and source specification -- Synthetic microseismogram calculations -- An example of waveform computation -- Mode attenuation and partition coefficients -- Synthetic microseismograms for nonsymmetric modes -- Symmetric and nonsymmetric modes in transversally isotropic solids -- SYNTHETIC BOREHOLE MICROSEISMOGRAMS, ROCK PROPERTIES, AND WAVEFORM LOG INTERPRETATION IN THE OPEN HOLE: The natural range of seismic velocities in rocks -- Effects of borehole diameter and mode content non synthetic microseismograms -- Synthetic microseismograms in hard formationseffects of lithography -- Synthetic microseismograms in soft formations -- Comparison of synthetic microseismograms for the natural range of lithologies -- Comparison of synthetic microseismograms with borehole waveforms -- and ACOUSTIC LOG INTERPRETATION METHODS IN THE OPEN HOLE: Frequency response in boreholes: mode content and first arrivals -- Picking compressional velocity: examples with synthetic microseismograms -- Picking shear wave velocity -- Shear velocities from guided waves in slow formations -- Attenuation measurements in boreholes -- SYNTHETIC SEISMOGRAMS AND ACOIUSTIC LOGGING IN CASED BOREHOLES: Formulating the problem with concentric layers of steel and cement -- Synthetic microseismograms for well bonded and poorly-bonded examples -- Velocity picking in cased holes-examples using synthetic microseismograms -- Velocity picking in casing holes-field examples -- Attenuation measurements in cased boreholes -- ACOUSTIC WAVEFORMS IN POROUS AND PERMEABLE FORMATIONS: Properties of porous and permeable rocks -- Wave propagation in permeable solids-the Biot mode -- Microseismograms in permeable formations -- Effects of pore properties on microseismograms in porous formations -- Microseismograms for nonsymmetric modes in porous formations -- Interpretation of in situ permeability in porous formations -- QUALITATIVE AND QUANTITATIVE INTERPRETATION OF FRACTURE PERMEABILITY BY MEANS OF ACOUSTIC FULL WAVEFORM LOGS: Waveform Jogs in fractured rocks -- Direct correlation between tube wave attenuation and fracture permeability -- Tube wave interpretation models -- Field studies--evaluation of tube wave attenuation models and comparison with other estimates of fracture permeablity.
- Subject(s)
- ISBN
- 0849388902
- Bibliography Note
- Includes bibliographical references (pages 243-254) and index.
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