MMS has developed a diamond drill rig specifically for overcoring. This drill is man portable once at site. The key factor here is "safety" while overcoring
The Overcoring Rock Stress Measurement Process. A PowerPoint Slide Presentation
MMS has developed in house software for rock stress measurement analysis. This programme can combine data from CSIRO HI cells and also from the USBM gauge. It can combine data from different boreholes.
Mining Measurement Services has been doing comparison tests with the CSIRO HI cell and the USBM gauge. The USBM gauge has proved a very useful tool in rock stress measurement
Stresses in the Australian Continental Tectonic Plate
Mining Measurement Services company profile.
Impact of epoxy glue curing time on the quality of overcoring stress measurements in low-temperature environments.
Temperature effects in overcoring stress measurements.
Stress measurement tests by using the hydraulic fracturing technique at S. Giacomo Power Station - Italy.
Mining Measurement Services 2010