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Attenuation of acoustic modes due to viscous drag at the borehole wall

Michael Schoenberg, Pabitra N. Sen and J. E. White
Attenuation of acoustic modes due to viscous drag at the borehole wall
Geophysics (November 1987) 52 (11): 1566-1569

Abstract

White (1983), among others, has shown that the propagation and attenuation of Stoneley waves in a fluid-filled borehole contain information on the porosity and permeability of the surrounding formation. Prior to extracting permeability from attenuation, the correct viscous loss of Stoneley waves in a borehole in a nonporous medium must be completely understood. With this motivation in mind, the purpose of this paper is to derive the viscous loss due to drag at the wall of a borehole from the exactly solvable case of a perfectly cylindrical borehole in an elastic, nonporous formation filled with a fluid that is viscous in shear. Thus the fluid pressure and fluid motion in the small but critical region near the fluid-solid interface can be calculated. We have obtained dispersion and attenuation of trapped waves and tube waves, but here we report only on tube waves.


ISSN: 0016-8033
EISSN: 1942-2156
Coden: GPYSA7
Serial Title: Geophysics
Serial Volume: 52
Serial Issue: 11
Title: Attenuation of acoustic modes due to viscous drag at the borehole wall
Affiliation: Schlumberger-Doll Res., Ridgefield, CT, United States
Pages: 1566-1569
Published: 198711
Text Language: English
Publisher: Society of Exploration Geophysicists, Tulsa, OK, United States
References: 6
Accession Number: 1987-078244
Categories: Applied geophysics
Document Type: Serial
Bibliographic Level: Analytic
Secondary Affiliation: Colo. Sch. Mines, USA, United States
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Reference includes data supplied by Society of Exploration Geophysicists, Tulsa, OK, United States
Update Code: 1987
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