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Accelerometer Versus Geophone Response - A Field Case HistoryNormal access

Authors: M. S. Hons, R. R. Stewart, G. Hauer, D. C. Lawton and M. B. Bertram
Event name: 70th EAGE Conference and Exhibition incorporating SPE EUROPEC 2008
Session: Seismic Sensors and Vibrators (EAGE)
Publication date: 09 June 2008
DOI: 10.3997/2214-4609.20147584
Organisations: SPE, EAGE
Language: English
Info: Extended abstract, PDF ( 669.48Kb )
Price: € 20

A method is derived for the calculation of ground acceleration from geophone data using a frequency-domain inverse filter and an empirical scaling constant. Acceleration-domain spectra from geophones and MEMS survey at Violet Grove, Alberta, Canada are compared. We find that the geophone and accelerometer data, over a band of 5-200 Hz, are very similar. The accelerometer amplitudes are larger than the geophones' below 5 Hz and there are some differences at very high first breaks are not observed on the accelerometer records at some stations.

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