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Title: |
A Casting and Imaging Technique for Determining Void Geometry and Relative Permeability Behaviour of Single Fracture Specimen |
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Authors: |
B.L. Cox, K. Pruess, and P. Persoff |
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Conference: |
Stanford Geothermal Workshop |
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Year: |
1990 |
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Session: |
Field Results |
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Language: |
English |
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File Size: |
724KB |
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View File: |
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A casting technique has been developed for making translucent replicas of the void space of natural rock Amnuation of light &n& through the cast combined with digital image analysis a pointwise definition of fracture apertures. The technique has been applied to a fracture specimen from Dixie Valley, Nevada, and the measured void space geometry has been used to develop theoretical predictions of two-~ phase relative permeability. A strong anisotropy in relative permeabilities has been found, which is caused by highly anisotropic spatial carrelations among fractrnt apertures.
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