Profile: Robertson Geologging Ltd. specializes in borehole logging systems and services. We provide slimhole borehole logging equipment. Our borehole logging equipment is used for civil engineering, geotechnical, water-well management, environmental, mining and oil/gas surveys. Our slim oilfield digital logging equipment is designed for oil/gas and CBM methane operations. The maximum working temperature is 125°C and maximum pressure is 12,500psi. Tool diameter is 2.5 inches (63mm). The system is designed for use with our supplied or third-party hydraulic winches and logging wirelines. It can custom build logging vehicles and skid units for on or off-road use in all climatic conditions. Hydraulic winches come complete with integral depth and tension measurement and spooling equipment. Maximum operating cable length is 3000m (9848') x 7-conductor 5/16" cable and 4500m+ (14760'+) x 7-conductor 7/16" cable.