Development of DARS II for the measurement of pressure dependent quality factor and compressibility of small rock samples

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Abstract/Contents

Abstract
Sample quality factor remains largely ignored due to difficulties in quantifying and repeating results. This thesis describes a Differential Acoustic Resonance Spectroscopy system, (DARS II), an acoustic method developed to study sample quality factor as a function of confining pressure at a kilohertz frequency scale. The work is subdivided into five parts: A review of the proof-of-concept system, DARS I; DARS II design and construction; DARS II empty-system characterization; Non-porous sample compressibility and attenuation estimates as a function of pressure; and Shale sample quality factor and attenuation estimates as a function of pressure. The primary contribution of this study is the design and construction of a system which estimates the resonant frequency, amplitude, and linewidth of porous and non-porous media with variable confining pressure at about 1000 Hz. The DARS II resonant frequency and linewidth measurements are used to estimate sample compressibility and quality factor with change in pressure measured at low frequencies. The method may be applied to regular or irregular shaped non-porous and porous samples

Description

Type of resource text
Form electronic resource; remote; computer; online resource
Extent 1 online resource
Place California
Place [Stanford, California]
Publisher [Stanford University]
Copyright date 2020; ©2020
Publication date 2020; 2020
Issuance monographic
Language English

Creators/Contributors

Author Robin-McCaskill, Jolene Monique
Degree supervisor Harris, Jerry M
Thesis advisor Harris, Jerry M
Thesis advisor Dvorkin, Jack, 1953-
Thesis advisor Mukerji, Tapan, 1965-
Thesis advisor Zoback, Mark D
Degree committee member Dvorkin, Jack, 1953-
Degree committee member Mukerji, Tapan, 1965-
Degree committee member Zoback, Mark D
Associated with Stanford University, Department of Geophysics.

Subjects

Genre Theses
Genre Text

Bibliographic information

Statement of responsibility Jolene Robin-McCaskill
Note Submitted to the Department of Geophysics
Thesis Thesis Ph.D. Stanford University 2020
Location electronic resource

Access conditions

Copyright
© 2020 by Jolene Monique Robin-McCaskill
License
This work is licensed under a Creative Commons Attribution Non Commercial 3.0 Unported license (CC BY-NC).

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