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A transient laboratory method for determining the hydraulic properties of 'tight' rocks-I. Theory

International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts

By:
, , , ,
DOI: 10.1016/0148-9062(81)90979-7

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Abstract

Transient pulse testing has been employed increasingly in the laboratory to measure the hydraulic properties of rock samples with low permeability. Several investigators have proposed a mathematical model in terms of an initial-boundary value problem to describe fluid flow in a transient pulse test. However, the solution of this problem has not been available. In analyzing data from the transient pulse test, previous investigators have either employed analytical solutions that are derived with the use of additional, restrictive assumptions, or have resorted to numerical methods. In Part I of this paper, a general, analytical solution for the transient pulse test is presented. This solution is graphically illustrated by plots of dimensionless variables for several cases of interest. The solution is shown to contain, as limiting cases, the more restrictive analytical solutions that the previous investigators have derived. A method of computing both the permeability and specific storage of the test sample from experimental data will be presented in Part II. ?? 1981.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
A transient laboratory method for determining the hydraulic properties of 'tight' rocks-I. Theory
Series title:
International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts
DOI:
10.1016/0148-9062(81)90979-7
Volume
18
Issue:
3
Year Published:
1981
Language:
English
Publisher:
Elsevier
Description:
p.245-252
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
245
Last page:
252
Number of Pages:
8