New core and downhole geophysical data sets from the Bells Corners Borehole Calibration Facility, Ottawa, Ontario / H.L. Crow, K.D. Brewer, T.J. Cartwright, S. Gaines, D. Heagle, A.J.-M. Pugin, H.A.J....: M183-2/8811E-PDF

"The Geological Survey of Canada's deep borehole test site at the Bells Corners Borehole Calibration Facility in Ottawa, Ontario, has been in use since the 1980's for the development and calibration of geophysical logging instrumentation. Cores from six deep boreholes (up to 300 m) are preserved and remain available for research purposes. In 2019, the facility underwent repairs to reopen deep boreholes, replace surface casings, and install atmospheric monitoring equipment. This report documents new laboratory core testing and downhole geophysical logs collected in borehole BC81-2, the most frequently logged of the boreholes at the facility. Core data sets include physical, mechanical, and hydraulic properties, nuclear magnetic resonance, and complex resistivity measurements. The downhole log suite includes televiewer imagery (optical and acoustic), total gamma, full waveform sonic, and fluid measurements (high resolution temperature, conductivity, and flow meter measurements). Digital data are provided in appendices. These data sets support ongoing collaborations at the Facility across a variety of disciplines for geological exploration, geoengineering, and hydrogeological research"--Abstract, page 1.

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