Determining anisotropic transmissivity using a simplified Papadopulos method
Ground Water
By: V.M. Heilweil and P. A. Hsieh
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Abstract
The straight-line method presented by Papadopulos requires a minimum of three observation wells for determining the transmissivity tensor of a homogeneous and anisotropic aquifer. A simplification of this method was developed for fractured aquifers where the principal directions of the transmissivity tensor are known prior to implementation, such as when fracture patterns on outcropping portions of the aquifer may be used to infer the principal directions. This new method assumes that observation wells are drilled along the two principal directions from the pumped well, thus reducing the required number of observation wells to two. This method was applied for an aquifer test in the fractured Navajo Sandstone of southwestern Utah and yielded minimum and maximum principal transmissivity values of 70 and 1800 m 2/d, respectively, indicating an anisotropy ratio of ???24 to 1.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Determining anisotropic transmissivity using a simplified Papadopulos method |
| Series title | Ground Water |
| DOI | 10.1111/j.1745-6584.2006.00210.x |
| Volume | 44 |
| Issue | 5 |
| Year Published | 2006 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Ground Water |
| First page | 749 |
| Last page | 753 |
| Google Analytic Metrics | Metrics page |