85447415
Oct 14, 2011
Jun 12, 2012
Gyroscopic wellbore measurement sensor, namely gyroscope sensor for measuring direction and orientation of a wellbore for the oil and gas, energy, mining, environmental and construction industries; Down hole gyroscopic measurement sensor for obtaining directional drilling control data for use by others for controlling the direction of wellbore drilling in the oil and gas, energy, mining, environmental and construction industries
Electrical and Scientific Apparatus