Title:

Significance of Crack Opening Monitoring for Determining the Growth Behavior of Hydrofractures

Authors:

T. Hashida, K. Sato, and H. Takahashi

Conference:

Stanford Geothermal Workshop

Year:

1993

Session:

Geoscience

Language:

English

File Size:

442KB

View File:

Abstract:

A method for determining the size of a crack induced by hydraulic fracturing is presented. The procedure is based on the measurement of the crack opening displacement and the fracture mechanics approach. The proposed method has been tested by conducting laboratory small-scale hydraulic fracturing tests on a granite. It is shown from the preliminary tests that the method provides a reasonable prediction of experimentally observed crack sizes.


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