Laboratory Borehole Model
Name
1986.12 Shortt.pdf
Size
200.53 KB
Format
Adobe PDF
Checksum (MD5)
00990326d62f87bc5a841778fdb47753
Author(s)
Shortt, E. R.
Date Issued
1986
Publisher
Massachusetts Institute of Technology. Earth Resources Laboratory
Series/Report no.
Earth Resources Laboratory Industry Consortia Annual Report;1986-12
Abstract
An experimental method for acquisition offull waveform acoustic logging (FWAL) data
from scaled laboratory borehole/formation models is under development. A spark-gap
source, fabricated in the lab, is used in conjunction with a piezoelectric receiver. It is found that the source/receiver signature covers a suitable frequency range for the 32:1 scaling required by the 6.4 mm model borehole diameter. Waveforms collected from
water-filled boreholes in aluminum and Lucite, simulating fast and slow formations,
clearly exhibit the characteristic arrivals of those formations.
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