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Laboratory estimates of normal/shear fracture compliance ratio

Abstract:

Laboratory estimates of the normal (Bn) and shear (Bt) compliance of an artificial fracture in a sample of Carboniferous limestone under wet and dry conditions are presented. The experiments were performed over a range of confining pressures (from 5 MPa up to 60 MPa), at ultrasonic frequencies (0.6 MHz to 1.0 MHz), in a Triaxial Hoek cell, using the pulse-echo reflection technique. The results of this study are confirmation that the Bn / Bt ratio of a fracture is dependent on the fluid conten...

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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Role:
Author
Publisher:
Society of Petroleum Engineers
Journal:
69th European Association of Geoscientists and Engineers Conference and Exhibition 2007: Securing The Future. Incorporating SPE EUROPEC 2007
Volume:
5
Pages:
2604-2608
Publication date:
2007-01-01
URN:
uuid:7005bd61-a246-411e-aade-0be917040f88
Source identifiers:
83423
Local pid:
pubs:83423
Language:
English

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