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Jean Michel Genevois, Jean Boulet, and Christophe Simon, Gyrostab Project : The Missing Link Azimuth and inclination mastered with new principles for standard rotary BHAs, Society of Petroleum Engineers, SPE/IADC 79915, Feb. 19, 2003. |
Canrig Drilling Technology, Ltd., sales brochure for Directional Steering Control System (DSCS). |