The Borehole Gravity Meter: Development and Results

The first generation borehole gravity instrument was introduced in the 1960s and was suitable for large diameter petroleum wells. A second generation BHGM probe for mining and geotechnical applications was introduced in 2011. This paper includes a brief summary of the corrections applied to BHGM measurements as well as some interpretation guidelines. Several recent examples of BHGM data acquired in Canada and USA for mining exploration and CO2 sequestration are presented.