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Estimating permeability from field measurements of seismic attenuation in fractured chalk

Abstract:

Broadband (100-4000 Hz) cross-hole seismic data have been acquired at a borehole test site where extensive hydrological investigations have previously been performed, including in situ estimates of permeability. The rock type is homogeneous chalk and fractures and bedding planes have been identified from well logs. High values of seismic attenuation, Q = 22 ≤ 27 ≤ 33, were observed over a 10 m depth interval where fracture permeability values of 20-50 darcy had been recorded. An atte...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Earth Sciences
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Mathematical,Physical & Life Sciences Division - Earth Sciences
Role:
Author
More by this author
Institution:
University of Leeds
Department:
School of Earth and Environment
Role:
Author
More by this author
Institution:
University of Leeds
Department:
School of Earth and Environment
Role:
Author
Publisher:
Wiley Publisher's website
Journal:
Geophysical Prospecting Journal website
Volume:
55
Issue:
5
Pages:
643 - 653
Publication date:
2007-09-05
DOI:
EISSN:
1365-2478
ISSN:
0016-8025
URN:
uuid:1405c227-5b41-4d92-ac52-221e0c20de61
Local pid:
ora:3383
Language:
English
Subjects:

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